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marusya05 [52]
3 years ago
10

Bobby has 3 times as many model spaceships as his friend Sylvester does. Bobby has 21 spaceships. How many model spaceships does

Sylvester have?
Mathematics
2 answers:
Phoenix [80]3 years ago
4 0
Set the problem up like this:
3•X=21
then divide both sides by 3 and you get:
Sylvester has 7 spaceships
sweet [91]3 years ago
3 0
He has seven models because 21 divided by 3 is seven
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What is four and 1 fith divided by 2 thirds
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Answer: 6.27 or 6.3

Step-by-step explanation: 4 1/5 ÷ 2/3 can be changed to a multiplication problem by using the reciprocal of the second fraction: 3/2

Multiply 4 1/5 by 3/2 = 6.3


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3 years ago
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You start driving north for 3 miles, turn right, and drive east for another 4 miles. At
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Answer:

The straight line distance is 5 miles from starting point

Step-by-step explanation:

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3 years ago
The area of a rectangle is 4w - 10 square units.
podryga [215]

Area of rectangle = 2(2w - 5) is the factored form of given expression

Multiplying the length and width of a rectangle, we get the area of the rectangle

<em><u>Solution:</u></em>

Given that, area of rectangle is 4w - 10 square units

We have to factor the expression

From given,

Area of rectangle = 4w - 10

Take 2 as common factor

Area of rectangle = 2(2w - 5)

Thus the given expression is factored

<em><u>The area of rectangle is given as:</u></em>

Area\ of\ rectangle = length \times width

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Thus, multiplying the length and width of a rectangle, we get the area of the rectangle

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From above we can say,

Length = 2 or 2w - 5

Width = 2w - 5 or 2

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3 0
3 years ago
In the first year of ownership, a new car can lose 20% of its value. If a car lost $4200 of value in the first year, how much di
Sever21 [200]
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5 0
4 years ago
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Leo has $4.80 in dimes a d quarters he has 6 more dimes than quarters how many quarters does he have
Kryger [21]

Answer:

Step-by-step explanation:

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0.10d + 0.25q = 4.80

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d = q + 6

====================

d = q + 6...so we sub q + 6 in for d, back into the other equation

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0.35q = 4.20

q = 4.20 / 0.35

q = 12 <====== there is 12 quarters

d = q + 6

d = 12 + 6

d = 18 <===== there is 18 dimes

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3 years ago
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