MATHEMATICS MIDDLE SCHOOL

5/25 = 13/?

Can you please help me with this question.

Answers

Answer 1
Answer: This a proportion.

Lets solve by cross multiplying.

5/25 = 13/x

5 * x = 5x                13 * 25 = 325

325 = 5x

5x/5 = 325/5
x= 325/5             x= 65

Answer:   5/25 = 13/65
Answer 2
Answer: 5/25
This can be simplified to 1/5
1/5 = 13/?
In order to get to 13 from 1 you must multiply by 13
If we multiply the bottom (denominator) by 13 we get the missing value
5 x 13 = 65

5/25 = 13/65

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Answers

LA=sides (not bases)
LA=2H(L+W)
H=4
L=11
W=7

LA=2*4*(11+7)
LA=8*18
LA=144

answer is 144 cm^2

Luke was playing checkers with a friend. The ratio of games Luke won was 9:8 if Luke won 18 games, how many games did his friend win?

Answers

You basically simplify for this one,18 / ? = 9

18/2=9

So in this case, 8*2 is 16! Hope this helps!

Evaluate the expression 6x-x2 for x= 0, 1, 2, 3, 4, 5, and 6. Use your results to fill in the table. Describe any pattern that you see.

Answers

assuming that x2=x^2 or x squared
so evaluate
basically subsitute values for x

0
6(0)-0^2
0-0
0

1
6(1)-1^2
6-1
5

2
6(2)-2^2
12-4
8

3
6(3)-3^2
18-9
9

4
6(4)-4^2
24-16
8

5
6(5)-5^2
30-25
5

6
6(6)-6^2
36-36
0

if we were to display the results on a table with the numbers we subsituted on the left and results on the right we would get
0,0
1,5
2,8
3,9
4,8
5,5
6,0

we notice that the outputs/results go up then down
the outputs were
0,5,8,9,8,5,0 when the inputs were
0,1,2,3,4,5,6

168356 rounded to the nearest ten thousand

Answers


168356 = 170000

Therefore, the answer after rounding it to the nearest thousand is 170000.

HOPE THIS HELPS!!!!!!!!!!!!
170000 because it is rounded to the nearest thousands

if a triangular plane of glass has a height of 30 inches and an area of 270 square inches.What is the length of the base of the pane

Answers

area=height times base
height=30
area=270
270=30 times bse
divide both sides by 30
9=base


base=9inches

23.5 divided by 4.5 x -4.5

also show work

Answers

Answer:

-1.16

Step-by-step explanation:

First: 4.5 × -4.5 = -20.25

Second: 23.5 ÷ -20.25 = -1.16
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