Answer: a) = 10
b) = 16
Step-by-step explanation:
a) as x = 5 so putting the value of x in given equation
5 multiplied by 2 is equal to 10
b) Putting value of x in given equation
= (5 + 3) 2
According to BODMAS solve the brackets first
= 8 x 2
= 16
(100 POINTS):( You will be reported if you provide an inapplicable answer)
use this function to answer the questions
f(x) = 2x^2 − 5x + 3
-Find The X intercepts of the graph
-Is the Vertex Going To Be Minimum Or Maximum? (I may be able to figure this one out)
-What is The Coordinates Of The Vertex?
-What Would You Do To Graph f(x)?
Please Explain because I want to understand it! mainly just need help with the first and then I may be able to take it from there.
Answer:
x-intercept(s):
(1,0),(3/2,0)
y-intercept(s): (0,3)
Use the formula
x=−b/2a to find the maximum and minimum.
Ans;(5/4,−1/8)
Coordinates Of The Vertex
(5/4,−1/8)
Zero (roots)
x=1,3/2
Step-by-step explanation:
100 Points. Easy and fun question.
1. Describe your scenario/issue/problem - short paragraph 3-5 sentences
2. Show how adding or subtracting (or both) fractions resolves the scenario/issue/problem. This is where you show the math and all the steps (Don't forget to reduce your final answer).
3. Include a model, diagram, number line or some other visual representation of your fraction problem.
An easy example would be a cooking or baking scenario, but see if you can come up with something else.
Answer: You and Sarah went to the gas station to get sodas. Sarah got a Dr. Pepper and it cost $2.50. You got a Sprite and it cost $3.00. You notice Sarah is short on change and want to help her. You have a $10 Bill and are going to pay for it. How much change will you get back?
Step-by-step explanation:
The table shows the estimated number of bees, y, in a hive x days after a pesticide is released near the hive.
A 2-column table with 6 rows. The first column is labeled number of days with entries 0, 10, 20, 30, 40, 50. The second column is labeled estimated number of bees with entries 10,000; 7,500; 5,600; 4,200; 3,200; 2,400.
Which function best models the data?
y = 9,958(0.972)x
y = 0.972(9,958)x
y = 9,219x– 150
y = –150x + 9,219
Answer:
A
Step-by-step explanation:
y = 9,958(0.972)x
Function which best models the given data is -150x + 9219.
What is the solution of an equation?A solution is an assignment of values to the unknown variables that makes the equality in the equation true.
According to the given question
y represents the number of bees.
and, x represents the number of days.
Since, we have to find the function to represent the given data.
As, we know the given data are the solution of any function, so they must satisfy the function. For this we will take any value of x and y and check whether it satisfy the given function or not.
From the given data,
Let check for the point (0, 1000).
Substitute (0, 1000) in the given function one by one.
For, y = 9,958(0.972)x
At, x = 0
We get y = 0
⇒ ( 0, 1000) is not the solution of the function 9958(0.72)x
For, y = 0.972(9,958)x
At, x = 0
we get y = 0
⇒ (0, 1000) is not the solution for the function 0.972(9958)x
For, y = 9219x - 150
At x = 0
we get y = -150
⇒ (0, 10000) is not the solution of function, 9219x -150
For, y = -150x + 9219
At x = 0
y = 9219 which is nearly equals to 10000 because y is the estimated number of bees.
⇒ (0, 10000) is the solution of the given function y = -150x + 9219 .
Hence, the function which best models the given data is -150x + 9219.
Learn more about solution of the equation here:
https://brainly.com/question/545403
#SPJ2
I just need some help with my pre-alg :)
Answer:
C
Step-by-step explanation:
Look at the attachment
find the measure of the angles indicated
Answer: 60º
Step-by-step explanation:
With respect to the line ZB, it makes an angle of 180º if measured using DZ. If the angle outside the triangle measures 140º, subtract from 180º to find the angle inside the triangle.
180º-140º=40º
So, now we have angle c=80º and angle b=40º, we can make an equation to find angles D which we'll call x.
The sum of the angles of a triangle must be equal to 180º.
80+40+x=180
120+x=180
x=180-120
x=60
Answer:
Find the measure of the angles indicated
∠CDB = 60°
Step-by-step explanation:
∠CBD + ∠CBZ = 180°
∠CBD + 140° = 180°
∠CBD = 180° - 140°
∠CBD = 40°
∠CBD + ∠BCD + ∠CDB = 180°
40° + 80° + ∠CDB = 180°
120° + ∠CDB = 180°
∠CDB = 180° - 120°
∠CDB = 60°
b) Imagine that you earned $8,425 in one year. If the government enforces a 15% income tax, how
much money would you owe in taxes at the end of the year? Show your work. (5 points)
Answer:
$1,263.75
Step-by-step explanation:
8425×0.15=1263.75
Answer: $1263.75
Step-by-step explanation:
$8425 (the amount you earned) multiplied by 0.15 (the tax rate as a decimal) is equal to 1263.75.
So, you would owe $1263.75 in taxes at the end of the year.
During a science investigation six students divided 15 pounds of potting soil equally write an equation that shows how many pounds is a potting soil each student received between which two whole numbers does your answer lie
Answer: it lies between 2 and 3.
Step-by-step explanation:
You equation should be like this because what you wrote is not an equation.
15/6= p where P is the number of pounds each student received.
p=2.5
what times 8 equals 2
2=x8
x=?
Please help! :0
Answer:
1/4 or .25
Step-by-step explanation:
8x =2
Divide by 8 on both sides
8x=2
__. ___
8. 8
x = 2/8=1/4 or .25
Answer: x equals 1/4 or 25% or 0.25
HELP I suck at algebra 1
Answer:
1. r = -4
3. n=6
5. m = -5
7. x=0.66= [tex]\frac{2}{3}[/tex]
Step-by-step explanation:
1.
-52=4(7+5r)
-52=28+20r
Subtract 20r from both sides
-20r-52=28
Add 52 to both sides
-20r=80
Divide both sides by -20
r = -4
3.
8(n-5)=-5n+38
8n-40=-5n+38
Add 5n to both sides
13n-40=38
Add 40 to both sides
13n=78
Divide both sides by 13
n=6
5.
-33+5m=2(1+6m)
-33+5m=2+12m
Subtract 12m from both sides
-33-7m=2
Add 33 to both sides
-7m=35
Divide both sides by -7
m=-5
7.
2(7x-2)=2(x+4)
14x-4=2x+4
Subtract 2x from both sides
12x-4=4
Add 4 to both sides
12x=8
Divide both sides by 12
x=0.66...
Two boats started to move towards each other from two boat stations, located 30 miles apart. One boat moved at a speed of 3 miles per hour, the other moved twice as fast. How soon will the boats meet?
Answer:
The boats will meet in 3.33 hours.
Step-by-step explanation:
The position of each boat can be modeled by a first order equation.
I am going to say that the first boat is at the position 0, and moving in the positive direction with a speed of 3 miles per hour. So
[tex]A(t) = 0 + 3t[/tex]
They are moving in oppositie directions, and initially are 30 miles apart. This means that the second boat starts at the position 30, and moves in the negative direction at the rate of 6 miles an hour. So
[tex]B(t) = 30 - 6t[/tex]
How soon will the boats meet?
This is t when:
[tex]A(t) = B(t)[/tex]
[tex]3t = 30 - 6t[/tex]
[tex]9t = 30[/tex]
[tex]t = \frac{30}{9}[/tex]
[tex]t = 3.33[/tex]
The boats will meet in 3.33 hours.
please help i will mark brainly !
Answer:
1 hour and 20 minutes
Step-by-step explanation:
Answer:
Total time taken by Natalie to reach the airport is 1 hour and 20 minutes
What is the volume of the cylinder? Use 3.14 for pi.
A. 715.92 cm3
B. 489.84 cm3
C. 3183.96 cm3
D. 1469.52 cm3
Answer:
V = 1469.52 cm^3
Step-by-step explanation:
cylinder volume = base area * height
= ( pi * R^2) * h
= pi * 6^2 * 13 = 1469.52 cm^3 (ANS)
When graphing an equation in slope-intercept form, what is the first step.
Answer:
Typically the answer is Graph the y intercept because when you do slope intercept you cant always start with the origin unless you don't have a b to base it off of.
1. Which situation is best described by a negative integer?
A. a deposit of $25
B. a fine of $12
C. a gain of 12 yards
D. a bonus of 10 points
Answer:
A
Step-by-step explanation:
I may be wrong but when you deposit something you take it away.
A survey in one middle school showed that 3 out of 5 students enjoy biking on the weekends. Predict how many out of the 972 students in the school would say they enjoy biking on the weekends.
What is the answer to this question? :)
Answer: The answer for this question is C.
If one factor of x2 + 2x - 24 is (x+6), what is the other factor?
eOf
(x+8)
(x-8)
(x+4)
(x-4)
Answer:
(x - 4)
Step-by-step explanation:
Given
x² + 2x - 24
Consider the factors of the constant term (- 24) which sum to give the coefficient of the x- term (+ 2)
The factors are + 6 and - 4, since
6 × - 4 = - 24 and 6 - 4 = + 2, thus
x² + 2x - 24 = (x + 6)(x - 4) ← in factored form
Thus the other factor is (x - 4)
The solution is Option D.
The equation x² + 2x - 24 = 0 has the factors as ( x + 6 ) and ( x - 4 )
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the equation be represented as A
Now , the value of A is
x² + 2x - 24 = 0 equation (1)
The equation can be factorized as
x² + 6x - 4x - 24 = 0
Taking x as the common factor , we get
x ( x + 6 ) - 4 ( x + 6 ) = 0
So , the equation will be
( x + 6 ) ( x - 4 ) = 0
Therefore , the factors of x are -6 and 4
Hence , the factors of the equations are ( x + 6 ) and ( x - 4 )
To learn more about equations click :
https://brainly.com/question/19297665
#SPJ6
Cake is shared among Mary, Ann and Susan in the ratio 2 : 5 : 7. If Susan's share is 6 pieces more than twice the share of Mary, find the number of pieces of cake Ann gets.
Answer:
the answer is 6
Step-by-step explanation:
How many solutions does this equation have?
–2 − 10z = –4 − 10z
Answer:
No solutions
Step-by-step explanation:
To find out how many solutions there are you must solve:
- 2 - 10z = - 4 - 10z
Add 10z to both sides:
-2 = -4
Since the two terms are different from one another, that means that there are no solutions for this equation.
4. What is the distance between (-4,1) and (1, -3)?
Answer:
Well it varies for how many lines you put on the graph, if you use desmos the answer comes out as 40 units; 25 units to the right of (-4,1) and 20 down
Step-by-step explanation:
Simplify. 6x+3−(x+1) =
Answer:
5x +2
Step-by-step explanation:
6x+3−(x+1) =
Distribute the minus sign
6x +3 -x -1
5x +2
Answer:
[tex]5x + 2[/tex]
Step-by-step explanation:
[tex]6x + 3 - (x + 1) \\ 6x + 3 - x - 1 \\ = 5x + 2[/tex]
hope this helps
brainliest appreciated
good luck! have a nice day!
Jenny is ordering a sandwich with one type of meat and one type of cheese, if there are 6 cheese and 5 meat , how many different combs could she order
Answer:
30
Step-by-step explanation:
Francesca made a rug to go in her daughter's room. The length is 5 ft and the width is 8 ft. What is the perimeter AND area of the rug?
Perimeter:
Area:
Step-by-step explanation:
Length of the room is 5 ft and the width is 8 ft.
Perimeter is equal to the sum of all sides of the room.
The shape of room is rectangle.
The perimeter of rectangular room is given by :
[tex]P=2(L+B)\\\\P=2(5+8)\\\\P=26\ ft[/tex]
Area of a rectangular shaped room is given by :
[tex]A=L\times B\\\\A=5\times 8\\\\A=40\ ft^2[/tex]
So, the perimeter and area of the rug are 26 feet and 40 sq feet.
PLEASE HELP!! Due in 10 minutes :(
Answer:
A.
Step-by-step explanation:
what is the slope of the line 7x+2y=5
Answer:
slope = -7/2x
Step-by-step explanation:
you can solve the equation in order to make it slope-intercept form.
7x + 2y = 5
2y = -7x + 5
divide everything by 2
it becomes y = -7/2x + 5/2
The required slope of the line is m = -7 / 2.
A line can be defined by the shortest distance between two points is called a line.
Method 1
7x + 2y = 5
Rearranging the equation in the standard form of the equation of a line
y = mx + c
where m is the slope of the line and c is the intercept of the line.
7x + 2y = 5
2y = -7x + 5
y = -7x/2 + 5 - - - - - -(1)
Comparing equation 1 with the standard form of the equation
m = -7/2 and c = 5
Method 2
Differentiate the given equation, with respect to x
d/dx (7x + 2 y) = d/dx (5)
7 + 2dy/dx = 0
dy/dx = -7/2
Slope = dy/dx = -7/2
Thus, the required slope of the equation is m = -7/2
Learn more about lines here:
brainly.com/question/2696693
#SPJ2
The ratio of the number of left handers to the number of right handers in a middle school is 6:15. If there are 120 left handers, how many right handers are there? (WILL GIVE BRAINLIEST)
Answer:
300 right handers
Step-by-step explanation:
Answer:
The answer is 300 right handers.
Step-by-step explanation:
I looked up the question on google, and found the workbook that it came from. Towards the bottom of the book is the answers so I matched the question to the list of answers and found that it is 300 right handers.
for the inverse variation equation p= 8/v what is the value of p when V=1/4?
Answer:
for v=1/4 , p=32
Step-by-step explanation:
p=8:1/4=8*4/1=32
Answer:
D: 32
Step-by-step explanation:
For edge
Which shape is NOTa trapezoid
Answer:
The bottom left
Step-by-step explanation:
it has no pairs of parallel sides
Answer:
Step-by-step explanation:
Trapezoid should have a pair of parallel lines.
Bottom left figures does not have parallel lines. So it is not a trapezoid.
When two times a number is subtracted from the square of the number, the result is 35. Determine the number(s) algebraically.
The answer is -5 or 7.
For this you have to come up with a equation and solve/simplify from there.
Please help, thank you.
Answer:
Step-by-step explanation:
Rewrite (2 + 6)5 using the Distributive Property.
Answer:
5 * 2 + 6 * 5
Step-by-step explanation:
Distributive Property.
