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olga55 [171]
3 years ago
13

The Last customer of the day is a loyal customer who brings in a $15.00 off coupon. She purchases 2 paint brushes ($21), one doz

en colored pencils ($7.88), and one sketch book (16.12). What percent did she save by using her coupon.
Mathematics
1 answer:
Yuri [45]3 years ago
6 0

Answer:

I think $21 or $7.88

Step-by-step explanation:

check it again and there you go

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crimeas [40]
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This is so confusing all of it makes no sense
Tom [10]

Answer:

D). 4\sqrt{2}

Step-by-step explanation:

<u>STEP 1a:</u> Find the last angle of the triangle. ( which is angle A)

A+90+45=180

<u>STEP 1b:</u> Solve the equation for A by adding 90 and 45.

A+135=180

<u>STEP 1c:</u> Then Move all terms not containing A to the right side of the equation by subtracting 135 from both sides of the equation

A=180-135

<u>STEP 1d:</u> Subtract 135 from 180.

A=45

STEP 2a: Find side b next.

STEP 2b: The cosine of an angle is equal to the ratio of the adjacent side to the hypotenuse.

cos(A)=\frac{adj}{hyp}

STEP 2c: Substitute the name of each side into the definition of the cosine function.

cos(A)=\frac{b}{c}

STEP 2d: Set up the equation to solve for the adjacent side, in this case b.

b=c*cos(A)

STEP 2e: Substitute the values of each variable into the formula for cosine.

b=8*cos(45)

STEP 2f: Cancel the common factor of 2.

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HOPE THIS HELPS!

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2 years ago
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Sorry I am stupid but I need help
nikklg [1K]

I believe the answer to your question is the first choice.

Since we have two sides that are 24 mm that means that the equation needs to have 2(24 mm).

And since we have 4 sides that are 18 mm, it means that the equation needs to have 4(18 mm).

so we get: P= 4(18 mm) + 2(24 mm)


Hope this helped and plz mark as brainliest!



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Hello,
center is (4,-6)
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3 years ago
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prohojiy [21]
-(5y) - y = 18
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