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tangare [24]
2 years ago
15

1) The ratio of the number of Mary's stickers to Anne's is 4:7. Mary has 48 stickers. If

Mathematics
1 answer:
Tom [10]2 years ago
8 0

Answer:

2:3

Step-by-step explanation:

ratio = 4:7

4 parts = 48

1 part = 12

Mary has 48

Anne has 84

Mary will have 56

56:84 = 2:3

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If the perimeter of Triangle XYZ is 56 cm, what is the perimeter of Triangle ABC?
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Answer:

28 cm

Step-by-step explanation:

Triangle ABC is obtained by joining the mid points of the sides of triangle XYZ.

So, perimeter of triangle ABC will be equal to half of the perimeter of triangle XYZ.

P(\triangle ABC) = \frac{1}{2} \times P(\triangle XYZ)

P(\triangle ABC) = \frac{1}{2} \times 56

P(\triangle ABC) = 28\: cm

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2 years ago
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The left and right page numbers of an open book are two consecutive integers whose sum is 385. Find these page numbers.
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So algebraically, consecutive integers follow the form x, x+1, x+2, etc...

Since the sum of two consecutive integers is 239, this means:

x%2Bx%2B1=239

2x%2B1=239 Combine like terms on the left side

2x=239-1Subtract 1 from both sides

2x=238 Combine like terms on the right side

x=%28238%29%2F%282%29 Divide both sides by 2 to isolate x

x=119 Divide

So our first number is x=119

So to find the next number, simply add 1 to it to get 119%2B1=120

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Paco bought 3 CDs that cost d dollars each and a pack of gum for C cents. Write an expression for the total cost of his purchase
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Answer:

The correct option is A) 3d+C.

Step-by-step explanation:

Consider the provided information.

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Now add the cost of gum in above expression.

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3 years ago
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