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Art [367]
3 years ago
15

The variables a and b vary directly. Use the given values for a and b to write an equation relating a and b

Mathematics
2 answers:
Alenkasestr [34]3 years ago
5 0

Answer:

a = 1/5 b

Step-by-step explanation:

Morgarella [4.7K]3 years ago
3 0

Answer:

a = 1/5 b

Step-by-step explanation:

A direct variation is given by

a = k*b where k is the constant of variation

3 = k* 15

Divide each side by 15

3/15 = k*15/15

1/5 = k

a = 1/5 b

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Multiple Choice –64 ÷ 4 = ? A. 15 B. –15 C. 16 D. –16
Alja [10]

Answer:

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Step-by-step explanation:

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3 years ago
Can someone help me with this question?
sesenic [268]

Answer:

One of the angles in the triangle might be 50.

AND

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Step-by-step explanation:

-The triangle might be an equilateral triangle (having all the same sides and angles). False, since the triangle sum theorem states that all angles inside of a triangle must add up to 180, so an equilateral triangle would need to have all three angles at 60 degrees.

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3 0
3 years ago
A projector enlarges an image in the ratio 20:1. What will be the size of an enlargement of a picture that is 8cm by 6cm?
nydimaria [60]

Answer:

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Step-by-step explanation:

this means 1 cm turns into 20 cm.

so, 8 cm × 6 cm becomes

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