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2 years ago

3. Annie bought a skirt that was originally priced at $32, but she had a coupon for 35% off.

Mathematics

2 answers:

PolarNik [594]2 years ago

7 0

Answer:

$20.8

Step-by-step explanation:

Let's see how much she would have payed if it was 99% off

32 / 100 = 0.32

0.32 * 35 = 11.2

32 - 11.2 = $20.8

ʜᴏᴘᴇ ᴛʜɪꜱ ʜᴇʟᴘᴇᴅ!

ʜᴀᴠᴇ ᴀ ɴɪᴄᴇ ᴅᴀʏ!

azamat2 years ago

6 0

Answer:

Step-by-step explanation:

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Answer:

86.1

Step-by-step explanation:

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2 years ago

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3 years ago

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exis [7]

Answer:

Part 1) The length of the longest side of ∆ABC is 4 units

Part 2) The ratio of the area of ∆ABC to the area of ∆DEF is $\frac{1}{100}$

Step-by-step explanation:

Part 1) Find the length of the longest side of ∆ABC

we know that

If two figures are similar, then the ratio of its corresponding sides is proportional and this ratio is called the scale factor

The ratio of its perimeters is equal to the scale factor

Let

z ----> the scale factor

x ----> the length of the longest side of ∆ABC

y ----> the length of the longest side of ∆DEF

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

we have

$z=\frac{1}{10}$

$y=40\ units$

substitute

$\frac{1}{10}=\frac{x}{40}$

solve for x

$x=(40)\frac{1}{10}$

$x=4\ units$

therefore

The length of the longest side of ∆ABC is 4 units

Part 2) Find the ratio of the area of ∆ABC to the area of ∆DEF

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 ----> the area of ∆ABC

y ----> the area of ∆DEF

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

we have

$z=\frac{1}{10}$

$z^2=(\frac{1}{10})^2$

$z^2=\frac{1}{100}$

therefore

The ratio of the area of ∆ABC to the area of ∆DEF is $\frac{1}{100}$

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2 years ago

Solve the inequality . Graph solution . 1/5 > d+ 4/5

Ainat [17]

Answer:

Step-by-step explanation:

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2 years ago

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