Malique wants to take four of his friends to a movie. He knows it is $7.50 for

Mathematics

1 answer:

Stels [109]3 years ago

4 0

Answer:

$16.25

Step-by-step explanation:

7.50

+7.50

36.50

then you have to do 3.25 *5=16.25

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Laura kept a list of her expenses and income for one month. If she started the month with no money, how much money did she have

Alisiya [41]

Answer:

$25

Step-by-step explanation:

she received$12 five times

12×5=60 ...(1)

she earned$5 two times for yard work

5×2=10....(2)

(1)+(2).... 60+10=70

Bought dog food and ticket

30+15=45

70-45=25

Answer $25 is what she is left with at the end of the month

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3 years ago

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Carolyn is planning a community garden she would like the length of the garden to be 4 feet more than its width. Carolyn wants t

SCORPION-xisa [38]

Let's make the width 'x'.

And the length 'x+4'.

Perimeter is adding up ALL the sides.

Add: x + x + 4 + x + x + 4.

Simplify:

x + x + 4 + x + x + 4 = 4x + 8

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3 years ago

In a running competition, a bronze, silver and gold medal must be given to the top three girls and top three boys. If 15 boys an

denis-greek [22]

Answer:

There are a total of possible 1820 results.

Step-by-step explanation:

Since there are two competitions, one for boys and one for girls, and we want all the possible results we will calculate the possible combinations for the boys and multiply them by the possible combinations for the girls. This is shown below:

$Boys = \frac{15!}{3!(15 - 3)!} = \frac{15!}{3!12!} = \frac{15*14*13*12!}{3!12!}\\Boys = \frac{15*14*13}{3*2*1}\\Boys = \frac{15*14*13}{3*2*1}\\Boys = 455$