3 years ago

1.The sum of four consecutive whole numbers is 54. What are the four numbers?

Mathematics

1 answer:

Oksi-84 [34.3K]3 years ago

8 0

2 answer Let x be weight of the baby 142=78+69-2x 142=147-2x 147-142 =2x 5=2x 2.5 = x

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8. The trapezoids are similar. The area of the smaller trapezoid is 131 m2. Find the area of the larger trapezoid to the nearest

kolbaska11 [484]

Answer:

$3,726\ m^{2}$

Step-by-step explanation:

step 1

Find the scale factor

we know that

If two figures are similar, then the ratio of its corresponding sides is equal to the scale factor

Let

z----> the scale factor

x----> corresponding side of the larger trapezoid

y----> corresponding side of the smaller trapezoid

$z=\frac{x}{y}$

we have

$x=64\ m$

$y=12\ m$

substitute

$z=\frac{64}{12}$

step 2

Find the area of the larger trapezoid

we know that

If two figures are similar, then the ratio of its areas is equal to the scale factor squared

Let

z----> the scale factor

x----> area of the larger trapezoid

y----> area of the smaller trapezoid

$z^{2}=\frac{x}{y}$

we have

$z=\frac{64}{12}$

$y=131\ m^{2}$

substitute

$(\frac{64}{12})^{2}=\frac{x}{131}$

$x=(\frac{4,096}{144})(131)$

$x=3,726\ m^{2}$

5 0

3 years ago

There are 15 students in the class and 8 are boys. What is the ratio of girls to students in the room?

cricket20 [7]

Answer:

7/15

Step-by-step explanation:

hope this helps?:)

8 0

2 years ago

Write each fraction as a decimal. round to the nearest hundredth if necessary.

SashulF [63]

Answer:

0.375

1.4

1.66666666667

Step-by-step explanation:

Divide the numerator (top number) by the denominator (bottom).

3 0

3 years ago

Read 2 more answers

What does 5/6 mean in math <br> p.s 5/6 in fraction

SOVA2 [1]

In math the fraction 5/6 means 5 and 6 tenths.

8 0

2 years ago

Two cars leave from the same point (A) and travel along a straight road, which are at angle of 78° to each other. If their speed

densk [106]

T=(60cos78, 60sin78)

T=(12.47, 58.69)

C=45

d=√((45-12.47)^2+58.69^2)

d≈67.1km

7 0

2 years ago