3 years ago

Proofs with transformations

Mathematics

1 answer:

nekit [7.7K]3 years ago

4 0

I don't really understand the question or else I would help

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During a sale a dress decreased in price from $80 to $76 what was the percent of decrease

Nesterboy [21]

<span>Well 68/80 as a percent is 85 % .I got that by dividing 68 by 80 and them multiplying by 100. 100-85= 15. So therefore the dress decreased in price by 15%. </span>

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3 years ago

How do I write the number 17,497,403 well i know how to do it inside standard but my equation says “Write the number Seventeen m

MrRa [10]

Step-by-step explanation:

Standard form is of course 17,497,403.

Expanded form is:

10,000,000 + 7,000,000 + 400,000 + 90,000 + 7,000 + 400 + 3

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3 years ago

Jack was planting a tree. He was to dig a hole that was 3 feet deep for every 5 feet of tree height. How deep should he dig the

nlexa [21]

Jack was planting a tree. He was to dig a hole that was 3 feet deep for every 5 feet of tree height. How deep should he dig the hole for a tree that is 17feet high.

Calculations

$\frac{DEEP}{HIEGHT}$

Cross multiplication

$\frac{3 DEEP}{5 HIEGHT}$ = $\frac{x}{13}$

5x = 2 x 13

Divide by 5 to isolate x

$\frac{5x}{5}$ = $\frac{51}{5}$

x = 10.2

Answer = 10.2

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3 years ago

Read 2 more answers

A farm lets you pick 3 pints of raspberries for $12.00. Use decimal notation if necessary.

kap26 [50]

Answer:

a=$4.00, B=1/4 a pint per dollar, c= 5

Step-by-step explanation:

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2 years ago

Please help and please say the formula!!

Damm [24]

Answer:

Step-by-step explanation:

Formula: 4*((15*7)/2) + 15^2

This is the area of the four triangles combined (210 cm^2) plus the area of the square (225 cm^2)

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3 years ago