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solniwko [45]
3 years ago
11

A model car is 8 inches long and 5.2

Mathematics
1 answer:
Sphinxa [80]3 years ago
7 0
Use proportions here - 8/5.2 = 96/width of actual car. using cross multiplication, 5.2*96 = 8x. this gives you 499.2 = 8x. divide both sides by eight to get x=62.4. the width of the actual car is 62.4 inches.
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olga55 [171]

Answer:

Step-by-step explanation:

y = 1/3x + 6

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this is just a matter of substitution...subbing in one y for the other

y = 1/3x + 6.....so sub in 1/3x + 6 in for y, back into the second equation or u can work it the other way and sub in 1/4x + 3 in for y, back into the first equation....either way will work

1/3x + 6 = 1/4x + 3

1/3x - 1/4x = 3 - 6

4/12x - 3/12x = -3

1/12x = -3

x = -3 * 12

x = - 36

now sub that back into either of ur original equations to find y

y = 1/3x + 6

y = 1/3(-36) + 6

y = - 12 + 6

y = - 6

solution is : x = -36 and y = -6 or (-36,-6)

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3 years ago
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Natasha_Volkova [10]
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5 0
3 years ago
Y=x+3 and y=x-y help me ​
Nuetrik [128]

Step-by-step explanation:

Given

y = x + 3.....equation 1

y = x - y

or y + y = x

or 2y = x

or y = x / 2......equation 2

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Putting equation 2 in equation 1

x / 2 = x + 3

x - x/2 = - 3

<u>2x</u><u> </u><u> </u><u>-</u><u> </u><u>x </u> = - 3

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Now

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4 0
3 years ago
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10^38

<u>Step-by-step explanation:</u>

Given that,

10^32 x 10^6

Here the base is same (10) and the powers are 32 and 6.

These 2 bases are in multiplication form so the powers can be added up.

10^32 x 10^6 = 10^(32+6)

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4 0
3 years ago
Read 2 more answers
7.8 + n = 38.2 plez i need help
BabaBlast [244]
7.8 + n = 38.2
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n = 30.4
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3 years ago
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