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Mandarinka [93]
3 years ago
11

4x + 1 = 5, find x assuming x is a whole number​

Mathematics
1 answer:
levacccp [35]3 years ago
4 0

Answer:

x=1

Step-by-step explanation:

4x+1=5

4x=5-1

4x=4

x=4/4=1

This happens to be a whole number.

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The length of a rectangle is three times it's width. If the perimeter of the rectangle is 64, find its length and width
wlad13 [49]

set up an equation for the perimeter

l = length w = width

2l + 2w = 64

set up another equation as you know the length is 3 times the width

w = 3l

subsitute w = 3l into the 2l + 2w = 64

2l + 2(3l) = 64

solve for l

2l + 6l = 64

8l = 64

<em><u>length</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>8</u></em>

subsitute into w = 3l

w = 3(8)

<em><u>width</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>2</u></em><em><u>4</u></em>

6 0
3 years ago
Solve the inequalities for x, and match each solution to its number line graph.
rusak2 [61]

Answer:

Do you still need help??

Step-by-step explanation:

3 0
2 years ago
A common tub is 54 inches long. What could be its length in centimeters? (1 inch = 2.54 cm)
ddd [48]

Answer:

137.16 cm

Step-by-step explanation:

its jus multiplication so 54in x 2.54cm

5 0
2 years ago
The distance from Earth to the moon is about 4*10 fifth power kilometers. The distance from Earth to Mars is about 5*10 the seve
uysha [10]

Answer: distance from earth to moon is 4x10^5= 4,000,000

The distance from Earth to Mars is about 5x10^7= 50,000,000.

Step-by-step explanation:

8 0
3 years ago
I need answers for all! thank you will mark brainlist!! please help me i’m begging you &lt;3
Darina [25.2K]

Step-by-step explanation:

y = 2/5 x - 9/5

when x = -1,

the value of y = 2/5(-1) - 9/5

= -2/5 - 9/5 = -11/5

when x = 0

=> y = 2/5(0) -9/5

= 0-9/5 = -9/5

when x=1

=> y = 2/5(1) - 9/5

= 2/5 - 9/5 = 7/5

6 0
3 years ago
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