Answer:
90
Step-by-step explanation:
Complementary angles add to 90 degrees, supplementary angles add to 180
10. In APQR, right-angled at Q, PR+QR = 25 cm and PQ = 5 cm. Determine the values of
sin P, cos P and tan P.
8d + 4d when d = -2
Save me please
Answer:
-24
Step-by-step explanation:
8d + 4d
Combine like terms
12d
Let d = -2
12 * -2
-24
Answer:
-24
Step-by-step explanation:
All you have to do is plug -2 in for d
8(-2) + 4(-2) = -24
(a positive times a negative equals a negative)
work out (3 × 10^4) ÷ (6 × 10^-3) in standard form
Answer:
5x10^6
Step-by-step explanation:
30000/0.006=5000000
5000000=5x10 to the power of 6
5x10^6
what is the difference bn Segment CD and CD?
Answer:
Sometimes, the symbol – written on top of two letters is used to denote the segment. This is line segment CD (Figure 1 ). Figure 1 Line segment. It is written CD (Technically, CD refers to the points C and D and all the points between them, and CD without the refers to the distance from C to D.)
Step-by-step explanation:
Sometimes, the symbol – written on top of two letters is used to denote the segment. This is line segment CD (Figure 1 ). Figure 1 Line segment. It is written CD (Technically, CD refers to the points C and D and all the points between them, and CD without the refers to the distance from C to D.)
Answer:
Segment CD and CD are different description of the line segment between points C and D.
By default CD refers to line segment but it could also refer to arc in the circle or a ray.
Therefore it is always good to mention by words or notation what is it.
(18 x 2) * 5 = 18 x 12
Answer: 90x2=18x12
Step-by-step explanation:
Answer:
false
Step-by-step explanation:
36x5=216
180=216
false
because the left-hand and right-hand side are different
Simplify the expression 2/3 divided by (-4) - (1/6 - 8/6)
Answer:
2/3 divided by -17/6
Step-by-step explanation:
2/3 divided by (-4) - (1/6 - 8/6)
2/3 divided by (-24/6) - (-7/6) <---- ( I had to find the common denominator )
2/3 divided by -17/6 <---- ( Then I had to subtract (-24/6) - (-7/6) )
Answer: correct answer is 1
Step-by-step explanation:
Elaine scored 19 out of 24 on her science test.
Addison had 81.25% on the same test.
Who did better?
How do you know?
Answer:
Addison scored a better score on the test.
Step-by-step explanation:
Elaine's score can be found by dividing 19 by 24, which yields a result of 0.7916, which means her score is a 79 out of 100 (79%). Her score can also be found by doing 100/24 = 4.16666 repeating and multiplying that by 19, which also yields 79.6. Hope this helps!
b. Convert yards to feet.
3.2 yards
3
yard)
lxd
x
feet)
feet
Answer:
9.6 feet
Step-by-step explanation:
Will is building a playhouse for his cousin. He wants the playhouse to be 50 percent taller than his cousin, who is 46 inches tall. How tall should the playhouse be?
Answer:
69 inches
Step-by-step explanation:
mutiply 46 and .50 then add that to 46 then you get your answer
Write down the reciprocal of 3, a quarter, and 6a
Answer:
3= 1/3
25=100/25
i dont know about 6a on what u want me to do
sorry
Step-by-step explanation:
Drag and drop numbers into the boxes to complete and solve the equation for the situation. One month, Ruby worked 6 hours more than Isaac, and Svetlana worked 4 times as many hours as Ruby. Together they worked 126 hours. Find the number of hours each person worked. h + parenleftzeh + parenrightze + parenleftzeh + parenrightze = 126 Isaac worked hours. Ruby worked hours. Svetlana worked hours.
Answer:
Ruby = x = 22 hours
Isaac = y = 16 hours
Svetlana = 88 hours
Step-by-step explanation:
Let the number of hours worked be represented as:
Ruby = x
Isaac = y
Svetlana = z
Total number of hours worked =
x + y + z = 126 hours........ Equation 1
Ruby worked 6 hours more than Isaac,
x = y + 6..... Equation 2
Svetlana worked 4 times as many hours as Ruby
z = 4 × x
z = 4x
z = 4(y + 6)
z = 4y + 24....... Equation 3
Substituting y + 6 for x and 4y + 24 for z in Equation 1
x + y + z = 126 hours........ Equation 1
y + 6 + y + 4y + 24 = 126
Collect like terms
y + y + 4y + 6 + 24 = 126
6y + 30 = 126
6y = 126 - 30
6y = 96
Divide both sides by 6
6y/6 = 96/6
y = 16
Since y represents the number of hours Isaac worked, Isaac worked for 16 hours
Substitute 16 for y in equation 2
x = y + 6
x = 16 + 6
x = 22
Since x represents the number of hours Ruby worked, Ruby worked for 22 hours
Substitute 16 for y in equation 3
z = 4y + 24
z = 4 × 16 + 24
z = 64 + 24
z = 88
Since z represents the number of hours Svetlana worked, Svetlana worked for 88 hours
Therefore:
Ruby worked for 22 hours
Isaac worked for 16 hours
Svetlana worked for 88 hours
Determine the slope of the line that passes through the points (-2, 5) (1, -7)
Answer:
-4Step-by-step explanation:
Given points
(-2, 5) (1, -7)Use slope formula to find the slope
m = (y2 - y1)/(x2 - x1)m = (-7 -5)/(1 + 2) = -12/3 = -4Slope is -4
Answer:
slope is -4
Step-by-step explanation:
Find slope which is also referred to as m:
m = (y₂ - y₁) / (X₂ - X₁)
= (-7 - 5) / (1 - (-2)
= -12 / 3
m = -4
Not asked in question but if you want to find equation for the line:
Find b using any one of the two provided coordinates. Let's use (-2, 5).
y = mx + b
5 = -4(-2) + b
5 = 8 + b
b = -3
Use m and b to make equation.
y = mx + b
y = -4x - 3
HELP!!! I don’t understand the numbering so just help
Answer:
i think this the is the answer buddy.
goog luck
At Fruits R Us, Mr. Orchard realizes that dried pineapple slices and dried apricots were two of his top dried fruit sellers. So he decided to make a mixture of the two. The dried pineapple slices sell for $5 per pound and the dried apricots sell for $8 per pound. If the store owner wants to make 300 pounds of the fruit mixture to sell at $7 per pound, how much of each type of fruit should be used to make the mixture.
Answer:
Step-by-step explanation:
From the information given, you can write the following equations:
x+y=300 (1)
5x+8y=300*7
5x+8y=2100(2)
First, you can isolate x in (1):
x=300-y (3)
Now, you can replace (3) in (2):
5(300-y)+8y=2100
1500-5y+8y=2100
3y=2100-1500
y=600/3
y=200
Then, you can replace the value of y in (3) to find x:
x=300-200
x=100
According to this, the answer is that he should use 100 pounds of dried pineapple and 200 pounds of dried apricots.
Convert the radian measure to degree measure. Use the value of π found on a calculator, and round answers to two decimal places. (5 points)
negative pi divided by three
negative pi divided by three degrees
-1.05°
-60π°
-60°
Which geometric figures have a measurable quantity? A. line B. angle C. point D. lin
Answer:
b
Step-by-step explanation:
Factor
25x^3+5x^2-15x-3
With a step by step explanation
Evaluate mentally. Share your strategies.
25% of 200
12% of 200
8% of 200
p% of 200
Need help asap !!!!!!!
simple way to solve this -2(x+3)=8
Step-by-step explanation:
-2(x + 3) = 8
-2x - 6 = 8
-2x = 8 + 6
-2x = 14
x = -14/2
x = -7
Solve the system by substitution.
2x +y+z= 12
5x + 5y + 5z = 20
х- 4y +z= -21
Answer:
(x, y, z) = (8, 5, -9)
Step-by-step explanation:
Using the first equation, we can write an expression for z:
z = 12 -2x -y
We can substitute this into the other two equations. (Before we do that, we'll divide the second equation by 5.)
x + y + (12 -2x -y) = 4 ⇒ -x +12 = 4
x -4y +(12 -2x -y) = -21 ⇒ -x -5y +12 = -21
__
The first of these gives us a value for x:
8 = x . . . . add x-4 to both sides
Using this in the second equation of these, we have ...
-8 -5y +12 = -21
-5y = -25
y = 5
Then the value of z is ...
z = 12 -2(8) -5
z = -9
The solution to the system is (x, y, z) = (8, 5, -9).
select all names that apply to 11
A) rational
B) integer
C) real
D) whole
Find the value of k if (-2, 1/3) is a solution of the equation, 2x-3y+k=0
Answer:
2x + 3y + k = 0
2(-2) + 3( 1/3) +k = 0
-4 + 1 +k = 0
k = 3
Help me thank you please explain as well
Answer:
111°
Explanation:
Based on the F angles theorem, ∠ABH = ∠BFE = 69°,
and based on BE ≅ BF, ∠BEF must also be 69°.
∠DEB is supplementary to ∠BEF, so
∠DEB = 180 - 69 = 111.
solve 0=12x^2+16x+5 by factoring
Answer: X= -1/2, X= -5/6
Step-by-step explanation:
0=12x^2+16x+5
Move all terms to the left:
0-(12x^2+16x+5)=0
Add all the numbers together, and all the variables
-(12x^2+16x+5)=0
Get rid of parenthesis
-12x^2-16x-5=0
a = -12; b = -16; c = -5;
Δ = b2-4ac
Δ = -162-4·(-12)·(-5)
Δ = 16
The delta value is higher than zero, so the equation has two solutions
Use following formulas to calculate:
x1=−b−Δ√2ax2=−b+Δ√2a
Δ−−√=16−−√=4
-> x1=−b−Δ√2a=−(−16)−42∗−12=12−24=−1/2
-> x2=−b+Δ√2a=−(−16)+42∗−12=20−24=−5/6
what is the value of - 13/ 7 + 6/ 7
Answer:
-1
Step-by-step explanation:
To add fractions, find the LCD (Least Common Denominator) and then combine.
What is the probability of drawing a yellow marble out of a bag twice in a row if there are eight other marbles in the bag, making it a total of ten marbles? You would put the marble back into the bag after the first draw and before the second one
Write the coordinates of the vertices after a reflection across the x-axis.
Answer:
S(-6,6), T(2,6), U(2,0), V(-6,0)
Step-by-step explanation:
The coordinates of the vertices after a reflection across the x-axis. are S(-6,6), T(2,6), U(2,0), V(-6,0).
What is reflection?When a figure is built around a single point known as the point of reflection or the figure's center, a reflection point results. There is an exact opposite point on the other side of each point in the figure. The shape and size of the figure remain unchanged beneath the point of reflection.
Given points are S(-6,-6), T(2,-6), U(2,0), V(-6,0). The reflection of the points will be calculated as below:-
S(-6,-6) ⇒ S(-6,6)
T(2,-6) ⇒ T(2,6)
U(2,0) ⇒ U(2,0)
V(-6,0) ⇒ V(-6,0).
Therefore, the coordinates of the vertices after a reflection across the x-axis. are S(-6,6), T(2,6), U(2,0), V(-6,0).
To know more about reflection follow
https://brainly.com/question/26642069
#SPJ2
One way for a child to be identified as gifted in California is to have an IQ of 130 or above. A few years ago, a Los Angeles high school had a total enrollment of 2,830 students, of whom 410 were identified as gifted.
What is the proportion of students who were identified as gifted in this high school?
Answer:
41/283
Step-by-step explanation:
if you are referring to the proportion of gifted students to total students:
if 410 are gifted out of 2830 total, then 410/2830 of kids at the school are gifted
410/2830 = 41/283
what is the value of c in the question below?
Answer:
125
Step-by-step explanation:
- 4x + 29 - x= 2 (x – 17) solve for x and show work in rows for brainlyist.
Answer:
Step-by-step explanation:
Follow PEMDAS
1st: P = Parenthasees
-4x + 29 -x = 2x - 34
E = exponents we dont have any
M = multiplication nope
D = division we dont have any
A = addition
We have to combine like terms
-5x = -63
divide
12.6
Your welcome!
