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d1i1m1o1n [39]
3 years ago
10

Identify the variation as direct, inverse, joint or combined. y = 7x

Mathematics
2 answers:
ASHA 777 [7]3 years ago
6 0
This is an example of a direct variation.
klasskru [66]3 years ago
6 0

Answer:

Direct variation

Step-by-step explanation:

Hi, to answer the question we haveto analyze the information given.

The expression of y =7x is a direct variation, because if the value of one variable changes, the other variable´s value changes as well.

for example:

if x = 1 , y = 7.

y= 7(1)=7

if x =2 , y= 14.

y = 7(2 ) =14

Feel free to ask for more if it´s necessary or if you did not understand something.

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Based on the work shown on the right, check all of the possible solutions of the equation.
Mazyrski [523]

Incomplete question. However, here is a similar question attached.

Solve 3x^2 + 17x - 6 = 0.

Based on the work shown to the left, which of these values are possible solutions of the equation? Check all of the boxes that apply

A X=-6

B X=6

C X=-1/3

D X=1/3

E X=0

Answer:

A and D

Step-by-step explanation:

Note that such question requires using completing the square method of solving equations. By using the values X= -6 and X= 1/3 we arrive at a solution.

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Simplify the expression<br>7(5+t)-3(t+2)=​
Vaselesa [24]

Answer:

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Step-by-step explanation:

7(5 + t) - 3(t + 2)

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3 years ago
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I think you meant the two <em>segments</em><em> </em>are identical, if so then:

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3 years ago
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Find the perimeter and area of the figure.
iogann1982 [59]

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A rectangle has a length of 3.6 in, and a perimeter of 16.8 in.
zhannawk [14.2K]

Answer:

Width = 4.8 inches

Step-by-step explanation:

The perimeter of a rectangle is given by the formula:

P=2l+2w

Where

P is perimeter

l is length

w is width

Given length = 3.6 and perimeter = 16.8, we plug them in into the formula and figure out the width, w. Process shown below:

P=2l+2w\\16.8=2(3.6)+2w\\16.8=7.2+2w\\16.8-7.2=2w\\9.6=2w\\w=\frac{9.6}{2}\\w=4.8

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