All categories

3 years ago

Karl has stamps in his desk drawer. The possible combinations of stamps are shown below.

Mathematics

1 answer:

Tom [10]3 years ago

8 0

Answer:

Letter C 

correct!

Step-by-step explanation:

20 + 15 = 35

22 + 13 = 35

25 + 10 = 35

so the answer is 35

correct!

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If there are 4 trucks for every 5 animals, then how many trucks would there be if there were 20 animals?

mel-nik [20]

There would be 16 trucks if there was 20 animals

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2 years ago

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Before depositing her check, Mary’s account balance was overdrawn by $64. That’s it, it was -$64. After depositing her check, he

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3 years ago

The length of a rectangle is 3 1/6 cm longer than the width. The perimeter of the rectangle is 15 1/3 cm. What are the width and

Delicious77 [7]

The width of rectangle is $2\frac{1}{4}\ cm$ and length is $5\frac{5}{12}\ cm$

Step-by-step explanation:

Let,

Width of rectangle = w

Length of rectangle = w+ $3\frac{1}{6}=w+\frac{19}{6}$

Perimeter of rectangle = $15\frac{1}{3}=\frac{46}{3}\ cm$

Perimeter of rectangle = 2(Length + Width)

$2(w+\frac{19}{6}+w)=\frac{46}{3}\\2(2w+\frac{19}{6})=\frac{46}{3}\\4w+\frac{19}{3}=\frac{46}{3}$

Subtracting $\frac{19}{3}$ from both sides

$4w+\frac{19}{3}-\frac{19}{3}=\frac{46}{3}-\frac{19}{3}\\4w=\frac{46-19}{3}\\4w=\frac{27}{3}\\4w=9$

Dividing both sides by 4

$\frac{4w}{4}=\frac{9}{4}\\w=\frac{9}{4}$

Therefore,

Width of rectangle = w = $\frac{9}{4}=2\frac{1}{4}$ cm

Length of rectangle = $w+\frac{19}{6}=\frac{9}{4}+\frac{19}{6}=\frac{27+38}{12}=\frac{65}{12}=5\frac{5}{12}\ cm$

The width of rectangle is $2\frac{1}{4}\ cm$ and length is $5\frac{5}{12}\ cm$

Keywords: perimeter, addition

Learn more about addition at:

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3 years ago

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ivolga24 [154]

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2 years ago

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Jayden had $8 last week. He now has $11. What is the percent of change?

vagabundo [1.1K]

Answer:

37.5 %

Step-by-step explanation:

11/8 = 1.375

1.375 x 100 = 137.5 %

137.5% - 100% = 37.5%

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2 years ago