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4 years ago

PLEASE HELP I WILL REWARD BRAINLIEST

Mathematics

1 answer:

inessss [21]4 years ago

4 0

Picture 2;Picture 4;Picture 1;Picture 5;and then Picture 6

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The first figure is dilated to form the second figure.

siniylev [52]

The scale factor is 4 5.8/1.45=4

4 0

4 years ago

The 2 in 324 is worth ten times the value of the 2 in 542

steposvetlana [31]

True; this statement is true.

8 0

4 years ago

A road crew can pave 2/5 km in 1 1/2 hours.how many km of road can they pave in 10 hours?

andrey2020 [161]

Answer:

8/3 km

Step-by-step explanation:

we can represent the given information on a table:

Kilometers time (hours)

2/5 ⇔ 1 1/2

and since we want to know how many kilometers (x) will be paved on 10 hours:

Kilometers time (hours)

2/5 ⇔ 1 1/2

x ⇔ 10

The relationship these 3 numbers have can be described by using the <u>rule of three,</u> which is to multiply the cross quantities on the table (2/5 by 10) and then divide by the remaining amount (1 1/2):

x = $\frac{2}{5}*10$ ÷ $1\frac{1}{2}$

x = $\frac{20}{5}$ ÷ $1\frac{1}{2}$

we use $1\frac{1}{2}=\frac{3}{2}$

x = $\frac{20}{5}$ ÷ $\frac{3}{2}$

and we make the division:

x = $\frac{20}{5}$ ÷ $\frac{3}{2}$ = $\frac{20*2}{5*3}=\frac{40}{15}$

we simplify the fraction by dividing the numerator and denominator both by 5, and we get the result:

x = $\frac{8}{3}$

thus, in 10 hours the crew will pave 8/3 km. Which is about 2.66 km.

6 0

4 years ago

A park is in the shape of a parallelogram. The park has an area of 776.25 square yards. The base of the park is 34.5 yards. mart

stich3 [128]

Answer:

The height is given by: 776.5 / 34.5 = about 22.5 yards. So....10 times this is about 225 yards.

3 0

4 years ago

Which function equation is represented by the

seraphim [82]

Answer:

f(x) = 20(3/5)^x

Step-by-step explanation:

When x = 1, f(x) = 12

f(x) = 20(3/5)^1

= 20 * 3/5

= 60/5

= 12.

so f(x) = 20(3/5)^x is the answer.

6 0

3 years ago

Read 2 more answers