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Korvikt [17]
3 years ago
6

Which of these is a linear equation in standard form for the graph shown?

Mathematics
1 answer:
vampirchik [111]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Because the slope is a positive slope (goes through the positive quandrants on the graph), we can eliminate answer choices c. Now, if we solve a, b, and d and we can see if the slope + y-intercept matches the graph.

For A.) (solve for y to get a y=mx + b equation)

3x-2y=4

-2y= -3x + 4

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

For B.)

3x-2y= -4

-2y= -4-3x

<u>y= 3/2 + 2</u>

For D.)

2x+3y= 4

3y= 4-2x

<u>y= -2/3x + 4/3</u>

Now, if we look at D, the slope is negative so it cannot be D. That leaves us with A and B. The b in the y=mx + b equation stands for the y-intercept, so we can see that the y-intercept is 2. So, since the graph intersects the y-axis at (0,2), the answer is B! y=3/2 + 2 has a positive slope and 2 for the y-intercept!

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Answer:

8.7

Step-by-step explanation:

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square root of 76 is 8.7 to the nearest tenth

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3 years ago
Gechina Galvez shopped at a department store during the end-of-summer sale All luggage was marked down 35 percent. She purchased
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Answer:

The total sale price that Gechina paid was $5,274.71.

Step-by-step explanation:

Given that Gechina Galvez shopped at a department store during the end-of-summer sale in which all luggage was marked down 35 percent, and she purchased a suitcase that regularly sells for $74.95, a garment bag that regularly sells for $8,000, and a tote bag that regularly sells for $39.99, in order to know the total sale price, the following calculation has to be made:

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8,114.94 x 0.65 = X

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Therefore, the total sale price that Gechina paid was $5,274.71.

4 0
3 years ago
The cost of four sweats and two pairs of jeans is $140. The cost of two sweats and theee pairs of jeans is $150. Define the vari
posledela

Answer:

The system would be:

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2x + 3y = 150

Step-by-step explanation:

If we represent the cost of sweats by the letter x and the jeans by the letter y, we can then write an equation for each of the situations using the number of each in each situation.

4x + 2y = 140

2x + 3y = 150

8 0
4 years ago
Write 7/12 as a percentage correct to two decimal places
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6 0
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Which systems of equations has a solution of approximately -2,7 , -1,2
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  A. 4x - 5y = -5 and 3x + 10y = -20

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