Answer:
Step-by-step explanation:
Slope= -2
y-intercept= 3
The diagram shows a sector of a circle defined by unknown angle x. The area of the sector
is equal to the area of the square. Find the measure of zx.
Express your answer to the nearest tenth of a degree.
The measure of angle x is 114.6°
Here, the central angle of sector of circle is represented by x.
We know that the formula for the area of sector.
A = θ/360 × πr²
where θ is the central angle
and r is the radius of the circle
Here, the area of the sector is equal to the area of the square.
Using the formula for the area of square,
A = side²
A = r²
Since area of sector = area of square,
x/360 × πr² = r²
x = 360/π
x = 114.6°
Thus, the required angle ∠x = 114.6°
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Find the complete question below.
carla leaves home and walks 40° easy to the north for 1.5 miles, then turns and continues due west for 2 miles. at this point in her trip, how far is she from home to the nearest tenth of a mile? Need answer right away
Answer:
need help
Step-by-step explanation:
Carla is 1.3 miles away from the home.
Given that, Carla leaves home and walks 40° easy to the north for 1.5 miles, then turns and continues due west for 2 miles.
The formula for the cosine rule is c=√(a²+b²-2ab cosC)
Here, c=√(1.5²+2²-2×1.5×2 cos40°)
c=√(2.25+4-6×0.7660)
c=√1.654
c=1.28
c=1.3 miles
Therefore, Carla is 1.3 miles away from the home.
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Ariana has purchased a new car. She borrowed $31,500 for 6 years at an interest rate of 2.9% to pay for the car. Find the maturity value at the end of 6 years.
a. $37,098
b. $36,981
c. $37,458
d. $35,872
The maturity value at the end of 6 years is $37,098 (option a).
To calculate the maturity value of Ariana's loan, we can use the formula for compound interest. The formula for compound interest is:
A = P(1 + r/n)ⁿˣ
Where:
A = the maturity value
P = the principal amount borrowed
r = the annual interest rate (as a decimal)
n = the number of times interest is compounded per year
x = the length of time the loan is taken out for
In this case, Ariana borrowed $31,500 for 6 years at an interest rate of 2.9%. We know that interest is compounded annually, so n = 1. Substituting these values into the formula, we get:
A = 31,500(1 + 0.029/1)¹ˣ⁶
A = 31,500(1.029)⁶
A = 31,500(1.1945)
A = 37,098
Therefore the answer $37,098, which is answer choice (a).
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Forty-five people were asked about how many miles they walked in one week. The results are shown in the graph. What is the mean number of miles walked by the girls?
5 4/11 miles
5 6/25 miles
5 1/2 miles
5 miles
5 1/8 miles
5 × 4 = 20
9 × 5 = 45
6 × 3 = 18
5 × 7 = 35
Mean = 20 + 45 + 18 + 35/4
= 118/4
= 59/2
5 1/8 = 46/8
5 1/2 = 11/2
5 6/25 = 131
5 4/11 = 59/2
Therefore The Answer is A 5 4/11.
Wyatt notices that a local pizza parlor is running a special on their 16" thin crust pizzas with no crust around the outer edge. If Wyatt ordered 3 pizzas, what would the total area of the three pizzas be?
It would be 603.2 square inches.
Solve the triangle ABC, if the triangle exists.
B=34°42'
a = 38.5
b= 30.9
Select the correct choice below and fill in the answer boxes within the choice.
A. There are 2 possible solutions for the triangle.
The measurements for the solution with the longer side c are as follows.
m
m/c='
The length of side c=
(Simplify your answer. Round to the nearest
degree as needed. Round to the nearest minute
as needed.)
(Round to the nearest tenth
as needed.)
The measurements for the solution with the shorter
mZA=
0
mZC=
(Simplify your answer. Round to the nearest
degree as needed. Round to the nearest minute
as needed.)
side c are as follows.
The length of side c=
(Round to the nearest tenth
as needed.)
The solution of the triangle is shown below;
Angle A - 26.98°
Angle C - 118.6°
Side c - 47.98
How do you solve a triangle?If you know the length of one side and the measure of the opposite angle, or the length of two sides and the measure of the angle between them, you can use the Law of Sines to find the other parts of the triangle.
Using the sine rule;
a/Sin A = b/Sin B
aSin B = bsinA
Sin A = bSinB/a
A = Sin-1( bSinB/a)
A = Sin-1(30.9 * Sin 34.42/38.5)
A = 26.98°
Then;
C = (180 - 26.98 + 34.42)
C = 118.6°
Using the sine rule again;
b/sinB = c/Sin C
c = bSin C/Sin B
c = 30.9 * Sin 118.6/Sin 34.42
c = 27.12/0.565
c = 47.98
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Which of the following tables represents a linear function?
The table that represents a linear function is as shown is option B and it is attached
What is linear function?A linear function consists of functions where the variables has exponents of 1.
The graph of linear functions is a straight line graph and the relationship is expressed in the form.
y = mx + c
where
y = output variable
m = slope
x = input variable
c = y intercept
The table for a linear function has the variables in the output y increasing at a constant rate.
The only table that represents this movement is the second table having out put values of
-3, -2, -1, 0, 1
The difference here is +1
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Work out perimeter of a semicircle. Take pie to be 3. 142 and write down all the digits given by your calculator
the radius of the semicircle is 11cm
The perimeter of the semicircle is 56.562 cm
What is Semicircle?Semicircle is when a diameter line is formed by cutting a whole circle into two halves along the diameter line. It is formed when a lining passing through the center touches the two ends on the circle.
How to determine this
To calculate this,
The perimeter of a semicircle = 2π + πr
Where π = 3.142
r = 11 cm
The perimeter of a semicircle = 2(11cm) + 3.142(11cm)
Perimeter = 22cm + 34.562cm
Perimeter = 56.562 cm
Therefore, the perimeter of the semicircle is 56.562cm
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I need help I do not know what to put someone please help me
someone pls help i really need it
Angle S'Q'R' is same as angle SQR which is equal to
55 degreesHow to find the measure of angle S'Q'R'Rigid transformation refers to a type of geometric transformation that preserves the shape and size of an object. In other words, the transformed object is congruent to the original object.
Rigid transformations can be of two types -
translation and rotation.Translation refers to moving an object in a straight line, while rotation refers to turning an object around a fixed point.
Rotation, in particular, has the effect of changing the orientation of the object. However, the length of each side and the angles between them will remain the same.
In a rigid transformation, the position of every point in the object is changed, but the distances between points remain unchanged, as well as the angles between lines and the area of the object.
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Sally had 2 cats and each cat eats 1/4 of a tin of cat food every day sally buys 7 tins of cat food for how many days will the cat food feed her 2 cats you must show working
Answer:
9 tins of cat food feed her 2 cats for 18 days
Step-by-step explanation:
Sally has 2 cats
food eaten by 1 cat each day =
food eaten by 2 cat each day= tins
sally buys 9 tins of cat food
then
tins required in = 1 day
1 tin required in
i.e 1 tin required in 2 days
9 tin required for = 9×2 = 18 days
hence , 9 tins of cat food feed her 2 cats for 18 days
Select the correct answer from each drop-down menu.
The volume of a sphere whose diameter is 18 centimeters is___π cubic centimeters. If its diameter were reduced by half, its volume would be____of its original volume.
1. a. 246
b. 324
c. 648
d. 972
2. a. 1/2 b. 1/4 c. 1/6 d. 1/8
The volume of a sphere whose diameter is 18 centimeters is 972π cubic centimeters. If its diameter were reduced by half, its volume would be 1/8 of its original volume. So, correct options are D for both blanks.
The diameter of a sphere is 18 cm, so its radius is half of the diameter, which is 9 cm. The formula for the volume of a sphere is (4/3)πr³, where r is the radius of the sphere.
Using this formula, we can calculate the volume of the sphere as follows:
V = (4/3)π(9³)
V = (4/3)π(729)
V = 972π cubic cm
Therefore, the volume of the sphere is 972π cubic cm.
Now, if the diameter of the sphere is reduced by half, the new diameter would be 9 cm, which means the new radius would be half of 9 cm, which is 4.5 cm. Using the same formula for the volume of a sphere, we can calculate the new volume of the sphere as follows:
V' = (4/3)π(4.5³)
V' = (4/3)π(91.125)
V' = 121.5π cubic cm
To find the ratio of the new volume to the original volume, we can divide the new volume by the original volume:
V'/V = (121.5π) / (972π) = 1/8
Therefore, the answer to the first part of the question is option (d) 972π cubic cm, and the answer to the second part of the question is option (d) 1/8.
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A new home is being furnished with a couch that cost 687. 50 how much will the couch cost after a 6% sales tax applied
The final cost of the couch after adding the 6% sales tax is $728.75.
By dividing the cost of the lounge by the applicable deals duty rate, one may calculate the total quantum of deals duty.
Since the deals duty rate is generally expressed as a chance, you must divide it by 100 to get a numeric.
The decimal fellow in this situation is0.06 since the deals duty rate is 6. settee cost x deals duty rate equals deals duty Deals duty is equal to687.50 multiplied by0.06.
Deals duty equals41.25 Accordingly, the settee is subject to a$41.25 deals duty. The final cost of the lounge after the deals duty is assessed is calculated by adding the deals duty quantum to the original cost of the settee. settee cost plus deals duty equals total cost
Total price is687.50+41.25
Total cost = 728.75
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I don't understand this question
Using Hamilton method for apportioning, the total artists will be 200.
How to calculate the valueUsing Hamilton method for apportioning :
total artists = 94+51+55 = 200
booths = 39
booths for group = (artists in group) / (total artists / no. of booths)
= (artists in group) / (200/39)
booths for painters = (94) / (200/39) = 18.33
= 18 {rounded to nearest integer}
booths for sculptors = (51) / (200/39) = 9.945
= 10 {rounded to nearest integer}
booths for weavers = (55) / (200/39) = 10.725
= 11 {rounded to nearest integer}
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Find the surface area of the prism.
2 ft
1 ft
2.2 ft
3 ft
The surface area is
square feet.
The surface area of the triangular prism is 17.6 ft.
How to find the surface area of the prism?The prism is a triangular prism. The surface area of the prism can be found as follows:
surface area of the prism = (a + b + c)l + bh
where
a, b and c are the side length of the trianglel = height of the prismh = height of the triangular baseb = base of the triangular prismTherefore,
surface area of the prism = (2 + 1 + 2.2)3 + 1 × 2
surface area of the prism = 15.6 + 2
surface area of the prism = 17.6 ft
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What is the measure of ZP, to the nearest degree?
O 44°
O 46°
O 58°
O 72°
The measure of the angle ∠P is given by the law of sines and ∠P = 46°
Given data ,
Let the triangle be represented as ΔMNP
Now , the measure of side MP = 46
The measure of side MN = 34
And , the measure of ∠MNP = 78°
Now , from the law of sines , we get
So , a / sin A = b / sin B = c / sin C
On simplifying , we get
34 / sin P = 46 / sin 78°
Multiply by sin P on both sides , we get
sin P ( 46 / 0.97814760073 ) = 34
sin P = 0.72297866
Taking inverse on both sides , we get
sin⁻¹ ( 0.72297866 ) = 46.30°
Hence , the measure of angle is P = 46°
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Which of these statements correctly interprets what it means to be "95% confident"? Choose the correct answer below. A. 95% of samples will produce a confidence interval that captures the true proportion. B. 95% of the time, the sample proportion will be in the interval. C. 95% of the sample is in the confidence interval.
The correct answer is A. 95% of samples will produce a confidence interval that captures the true proportion.
The question stated that - statements correctly interprets what it means to be "95% confident".
The statement- A. 95% of samples will produce a confidence interval that captures the true proportion.
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At the end of a baseball game the players regular choice to have a bottle of water or a box of juice all the players 12 chose a bottle of water which is 3/4 of the total of players right and solve an equation to determine P the total of the total number of players at the baseball game
An equation to determine p is 12 = 3p/4
The total number of players at the baseball game is 16.
We have the information:
In all the players, 12 choose a bottle of water, which was 3/4 of the total number of players.
We have to find the:
Write and solve an equation to determine p, the total number of players at the baseball game.
Total number of players = p
Out of 12 total player 12 choose a bottle of water which is of the total number of players and hence the equation will be:
12 = 3/4 of p
12 = 3p/4
By cross multiplication:
48 = 3p
Solve the value of p :
p = 48/3
p = 16
Therefore, the total number of players at the baseball game is 16.
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For this item, enter the answer in the space provided.
The value of z as shown in the pair of similar traingles is 15 in.
What are similar angles?Two triangles are similar if they have the same ratio of corresponding sides and equal pair of corresponding angles.
To calculate the value of z, we use the formula of similar triangle below
Note: ΔQWX is similar to triangle QRS
Formula:
LineQW/LineQR = LineQX/LineQS.................. Equation 1From the diagram question below,
Given:
LineQW = z inLineQR = 20 inLineQX = 3yLineQS = 4ySubstitute these values into equation 1 and solve for z
z/20 = 3y/4yz/20 = 3/4z = (20×3)/4z = 15 in.Hence the value of z is 15 in.
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PLEASE HELP MY TEACHER IS ASKING WHAT IS TAKING ME SO LONG! The image is down below.
The rectangles that have an area of 72 m² are: The first and third rectangles
What is the area of the rectangle?The formula for the area of a rectangle is:
A = l * w
where:
l is length
w is width
For the first rectangle dimensions, the area is:
Area = 9 * 8
Area = 72 m²
For the second rectangle, the area is:
Area = 10 * 7
= 70 m²
For the third rectangle, the area is:
Area = 12 * 6
Area = 72 m²
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Write the formula that shows the dependence of the edge length a on the volume V of a cube.
The formula for the volume of a cube whose edge length is E is:
V = E³
How to find the formula for the volume of a cube?We know that for all rectangular prisms, the volume is equal to the product between the 3 dimensions.
The cube is a type of rectangular prism where all the dimensions have the same measure, which is the edge length that we can write as E.
Then the volume V of the cube, which is the product of the 3 dimensions, can be written as:
V = E*E*E
We can simplify that as:
V = E³
That is the formula for the volume.
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The diameter of a circular cookie cake is 14 inches. How many square inches make up half of the cookie cake? Approximate using π = 3.14.
615.44 square inches
307.72 square inches
153.86 square inches
76.93 square inches
Answer:
Possibly A
Step-by-step explanation:
Answer:
76.93
Step-by-step explanation:
Please help me with this homework
Answer: 35 cm^2
Step-by-step explanation:
The area of a triangle is found by base * height divided by 2.
Base = 10
Height = 7
So, plug those values into the equation and you get:
10*7/2 = 35
Essentially, the formula for the area of a triangle is just dividing the formula for the area of a rectangle by 2, because two triangles make up one rectangle.
Answer:
Area = 35 cm².Step-by-step explanation:
We are given with a triangle whose Height is 7 cm and base is 10 cm.
We have to calculate the Area of triangle.
As we know that area of triangle is calculated by,
Area = ½ × base × height
Putting the required values we get,
Area = 1/2 × 7 × 10
Area = 7 × 5
Area = 35 cm².
Hence, The area of the triangle is 35 cm².
Kat is a senior at King High School, and she wants to throw a graduation party for herself and her friends. She will pay $225 for the venue and $80 per an hour for the DJ. She has saved $410 and will earn another $560 by the time of the party.
A) Write a compound inequality to represent the possible number of hours Kat can afford to book the DJ for the party. Use X to represent hours
B) Using your compound inequality in Part A, what is one possible length of time that Kat could afford to book the DJ?
Regarding resolving the given issue, we have Total equation cost = 225 + 80*4 = 545 This is less than the $970 she will have in total ($410 + $560).
What is equation?A mathematical equation is a formula that connects two claims and uses the equals symbol (=) to denote equivalence. An equation in algebra is a mathematical statement that establishes the equivalence of two mathematical expressions. For instance, in the equation 3x + 5 = 14, the equal sign places a space between the variables 3x + 5 and 14. The relationship between the two sentences that are written on each side of a letter may be understood using a mathematical formula. The symbol and the single variable are frequently the same. as in, 2x - 4 equals 2, for instance.
A) Let's start by figuring out the DJ's total cost. Kat will pay $80 per hour, so if she hires him for X hours, she will spend 80*X dollars. When the venue fee is added, the party's whole cost is:
Cost overall = 225 + 80*X
With the money she has saved and the money she will make, Kat can afford to pay the party's entire cost, which is the sum of the DJ and venue costs. In order to express the potential number of hours Kat will be able to afford to pay the DJ for the party, we may construct the following compound inequality:
225 + 80*X ≤ 410 + 560
80*X ≤ 795
X ≤ 9.9375
The compound inequality is as a result:
0 ≤ X ≤ 9.9375
B) Based on Part A, we know that Kat has the money to hire the DJ for 0 to 9.9375 hours. Kat could be able to pay the DJ for four hours, considering that:
Total cost = 225 + 80*4 = 545
This is less than the $970 she will have in total ($410 + $560).
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x-70081:671= help i dont understand
The values of the expressions after multiplication are given below
17 ×82 = 1600
54×671=35000
207×643=260000
First, round each number to one significant digit (the first digit).
Then multiply them.
a) 17 --> rounds to 20
82 --> rounds to 80
20 x 80 = 2 x 8 with two zeros
Value is 1600
b) 54 --> rounds to 50
671 --> rounds to 700
50 x 700 = 5 x 7 with three zeros
= 35000
c) 207 --> rounds to 200
643 --> rounds to 600
200 x 600 = 2 x 6 with four zeros
= 120000
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By rounding to 1 significant figure, estimate the answers to these questions:
a) 17x82
b) 54 x 671
c) 207 x 643
Factor the expression completely.
−
10
�
−
7
�
4
−10x−7x
4
The simplification of the expression −10x - 7x⁴ in the reduced factor form is equal to -1x ( 10 + 7x³ ).
The expression is equal to,
−10x - 7x⁴
From both the terms of the given expression '-1' is the common factor we get,
−10x - 7x⁴
= ( -1 ) ( 10x + 7x⁴ )
Now take variable 'x' common from both the terms of the expressions we get,
= ( -1 × x ) ( 10 + 7x³ )
= -1x ( 10 + 7x³ )
Now nothing is act as common factor in the given expression we have,
Therefore, the simplified factor of the expression −10x - 7x⁴ is equal to -1x ( 10 + 7x³ ).
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The above question is incomplete, the complete question is:
Factor the expression completely.
−10x - 7x⁴
Signs of stressz and other
Fill in the blank to make the fractions equivalent.
Answer:
2
Step-by-step explanation:
10/ 5 = 2
15 / 5 = 3
2/3
Answer: 2
Step-by-step explanation:
If you do 3+3+3+3+3 it is 15 and then you did it 5 times so you could do 10 divided by 5 to get 2.so2 is your answer.
Triangle HJK is similar to triangle LMN. A C D 6 4.5 cm 7.5 11.25 T4.5 Which proportion can be used to calculate the length of LM in centimeters? LM LM 7.5 9 9 H J 11.25 4.5 6 LM LM 4.5 7.5 cm 7.5 6 cm M 11.25 cm 9 cm N
The proportional segment lengths that calculate the lengths is 7.5/6 = 11.25/9
What proportion can be used to calculate the lengths?From the question, we have the following parameters that can be used in our computation:
The triangles
The triangles are similar triangles
So, we have
HK/KJ = LM/MN
Substitute the known values in the above equation, so, we have the following representation
7.5/6 = 11.25/9
Hence, the proportion is 7.5/6 = 11.25/9
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Can someone please help me out with this problem
Answer:
Step-by-step explanation:
Formula for the volume of a cone:
((r^2)(height)(pi)) / 3
Since we are finding the answer in terms of pi, we will use the pi symbol.
The radius is 18.
The height is 30.
18^2 is 324.
324 x 30 is 9720.
9720 / 3 is 3240.
Answer : 3240 pi.