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Lynna [10]
2 years ago
13

Define a variable and write an equation to find each number. Then solve.

Mathematics
1 answer:
liberstina [14]2 years ago
7 0

Answer:

-12

Step-by-step explanation:

Let x be "the number."  

"Three times a number" means 3x

"is 24 less than the number" means = x-24

Put them togehter:

3x = x-24

2x = -24

x = -12

Check:  Is 3(-12) = 24 less than -12?  YES.

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b) Calculate the area of the window using the dimensions given in Part A. Show your work and explain your reasoning. (4 points)
OleMash [197]

Answer:

Area of window = 50 feet²

Step-by-step explanation:

In the given question dimensions of the window (length and width) are missing.

So,

Assume;

Length of window = 10 feet

Width of window = 5 feet

Find:

Area of window

Computation:

Area of window = Area of rectangle

Area of rectangle = Length x Width

Area of window = Length of window x Width of window

Area of window = 10 x 5

Area of window = 50 feet²

3 0
3 years ago
Find the value of x for this shape
aliya0001 [1]

Answer:

10

Step-by-step explanation:

92+100+102=294

360-294=66

5x+16=66

5x=66-16

5x=50

x=50/5

x=10

4 0
3 years ago
9 is 75% of what number?
jek_recluse [69]

Answer:

12

Step-by-step explanation:

9/3=25%/3

3*4=100%/12

7 0
3 years ago
Read 2 more answers
Parallelogram PARL is similar to parallelogram WXYZ. If AP = 15, PL = 40, and WZ = 120, find the value of c .50 110 6 45
vova2212 [387]

Answer:

Option D. c = 45 will be the answer.

Step-by-step explanation:

In the figure attached there are two similar parallelograms PARL and WXYZ.

In which AP = 15, PL = 40, WZ = 120 and WX = c

By the property of similarity, corresponding sides of the given parallelograms will be in the same ratio.

\frac{PL}{WZ}=\frac{PA}{WX}

\frac{40}{120}=\frac{15}{c}

c = \frac{15\times 120}{40} [By cross multiplication]

c = 45

Therefore, Option D. c = 45 will be the answer.

4 0
3 years ago
Find the range of the function f(x)=x2+5 given the domain (-2,-1,0,1,2)?
iren2701 [21]

Answer:

(5, 6, 9)

Step-by-step explanation:

The domain is basically the set of all x values while the range is the set of all y values, in this case, it's the values of f(x). To find the range, we can plug the x values into the equation:

f(-2) = 9

f(-1) = 6

f(0) = 5

f(1) = 6

f(2) = 9

Since we can't have repeats in the range, it would be: (5, 6, 9)

6 0
3 years ago
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