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Advocard [28]
3 years ago
11

Janet has a square piece of cloth. She cuts 3 inches off of the length of the square and 3 inches off of the width. The area of

the smaller square is 1/4 of the area of the original square. What was the side length of the original square?
Mathematics
1 answer:
kolezko [41]3 years ago
8 0
24
3+3=6
6×4=24
24 inches
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HELP!! joels apartment building is 42 ft tall and casts a shadow of 20ft. If Joel is 6 ft tall, how long is his shadow
zhenek [66]

Step-by-step explanation:

an object and its shadow create a right-angled triangle.

2 objects and their shadows create 2 similar right-angled triangles.

that means the angles are the same, and the side lengths of one triangle all correlate with the corresponding side lengths of the other triangle via the same factor.

so,

42 × f = 6

f = 6/42 = 1/7

the length of Joel's shadow is then

20 × f = 20 × 1/7 = 2.857142857... ft

5 0
2 years ago
What is -1.2 times 1 1/5 divided by 3/10
djyliett [7]

I think it would be easier to covert the fractions to decimals here

-1.2 * 1 1/5 / 3/10

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6 0
3 years ago
Sydney has 3 3/5 yards of ribbon to make bows. Each bow is made from a piece of ribbon that is 2/5. How many bows can Sydney mak
Zielflug [23.3K]

Answer:

9

Step-by-step explanation:

2/5 x 2 = 4/5

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1 3/5 x 2, or 2/5 x 8 = 3 1/5

3 1/5 + 2/5, or 2/5 x 9 = 3 3/5

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3 years ago
Adam plans to choose a video game from a section of the store where everything is 75% off. He writes the expression −0.75 to fin
Salsk061 [2.6K]

Answer:

Step-by-step explanation:

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The expression written by him for this situation is d - 0.75d.

Here, the part d represents the sale price before discount and the part 0.75d is the discount amount.

The expression written by Rena is 0.25d.

Here, the part 0.25d is the price after discount. Since 75% is the discount, the rate after disount is 25% and 25% of d is 0.25d.

6 0
3 years ago
Is <img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B27%7D" id="TexFormula1" title="\sqrt[3]{27}" alt="\sqrt[3]{27}" align="abs
velikii [3]
Irrational !! a rational number is a number such as -3/7 that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q.
6 0
3 years ago
Read 2 more answers
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