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vichka [17]
4 years ago
8

Can someone PLEASE answer 7,8,9 PLEASEEE I need answerss!! I will love you FOrEVERR

Mathematics
1 answer:
m_a_m_a [10]4 years ago
6 0
7) 3; distributive
8) 4; -5x and 9x^2
9) 1; twice the sum of a number and four
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-.At a fair hamburgers sell for $3.00 each and hot dogs sell for $1.50 each. The equation 3x + 1.5y = 30 describes the number of
NikAS [45]

Answer:

Part a) The y-intercept is the point (0,20) and the x-intercept is the point (10,0)

The graph in the attached figure

Part b) See the procedure

Step-by-step explanation:

<u><em>The questions are</em></u>

Part a) Find the intercepts and graph the function

Part b) What does each intercept represent?

Part a) Find the intercepts and graph the function

Let

x-----> the number of hamburgers

y ----> the number of hot dogs

we have

3x+1.5y=30

Remember that

The <u><em>y-intercept</em></u> is the value of y when the value of x is equal to zero

so

For x=0

3(0)+1.5y=30

1.5y=30

y=20\ hot\ dogs

The y-intercept is the point (0,20)

The <u><em>x-intercept</em></u> is the value of x when the value of y is equal to zero

so

For y=0

3x+1.5(0)=30

3x=30

x=10\ hamburgers

The x-intercept is the point (10,0)

Plot the intercepts and graph the line

see the attached figure

Part b) What does each intercept represent?

The x-intercept is the number of hamburgers they can buy if they buy no hot dogs

The y-intercept is the number of hot dogs they can buy if they buy no hamburgers      

5 0
3 years ago
3 ones - 22 tenths equal
jeka57 [31]
The answer is 3.00-0.22=2.78
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The art club in Northwestern middle school is selling candy bars as a fundraiser. The box parts below show the number of candy b
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Answer:

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Step-by-step explanation:

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Hope this helps! :)

8 0
3 years ago
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