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3241004551 [841]
3 years ago
10

pencils cost 2 dollars each. Rulers cost 3 dollars each. Edith buys p pencils and r rulers. The total cost is T dollars. What is

the formula for T in terms of p and r​
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
8 0
(2 x p) + (3x r ) = T that would be the equation
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Evaluate -(2")(2º).<br> A.1/8<br> B. -8<br> C. 8<br> D.-1/8
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Answer:

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Each tape diagram represents I whole.
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Hi! From what I know, your answer should be 5n = 1.75.

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(-9,-2) (-5,0)<br> What’s the slope
serious [3.7K]

Answer:

0.5 or 1/2

Step-by-step explanation: Use the slope formula: y2 - y1 / x2 - x1

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6 0
3 years ago
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214 people used a public swimming pool. $1.50 for kids and $2.25 for adults. The receipt totaled to $390 How many children and h
zysi [14]

Answer:the number of kids that used the public pool that day is 122

the number of adults that used the public pool that day is 92

Step-by-step explanation:

Let x represent the number of kids that used the public pool that day.

Let y represent the number of adults that used the public pool that day.

214 people used a public swimming pool. This means that

x + y = 214

1.50 for kids and $2.25 for adults. The receipt totaled to $390. This means that

1.5x + 2.25y = 390 - - - - - - - - - -1

Substituting x = 214 - y into equation 1, it becomes

1.5x

1.5(214 - y) + 2.25y = 390

321 - 1.5y + 2.25y = 390

- 1.5y + 2.25y = 390 - 321

0.75y = 69

y = 69/0.75 = 92

Substituting y = 92 into x = 214 - y, it becomes

x = 214 - 92 = 122

5 0
3 years ago
Last one for this :)
ddd [48]

Answer:

2/21 :)

Step-by-step explanation:

7 0
3 years ago
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