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VARVARA [1.3K]
3 years ago
12

Name the slope and y-intercept of the graph of 3x - 2y = 18 A. B. 2 3 -6 6 C. -3.-9 D. 2 -9​

Mathematics
1 answer:
NemiM [27]3 years ago
7 0

Answer:

D. 3/2, -9

Step-by-step explanation:

First, rearrange the equation 3x - 2y = 18 into the slope-intercept form of y = mx + b:

3x - 2y = 18

2y = 3x - 18

y = 3x/2 - 9

from this, u can tell that the slope is 3/2 and the y-intercept is -9 (option D)

hope this helps!

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Monique randomly surveyed 30 students from
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Answer:

522

Step-by-step explanation:

Find the percent of students in her class that have a dog or cat:

  1. Set up a proportion: \frac{18}{30} = \frac{x}{100}  
  2. Cross multiply, then divide: 18 × 100 = 1800, 1800 ÷ 30 = 60
  3. So, 60% have a dog or cat

Find 60% of the total amount of students in Monique's school:

  1. 60% of 870 = \frac{60}{100} × \frac{870}{1}  
  2. \frac{60}{100} × \frac{870}{1} = \frac{52200}{100}  
  3. \frac{52200}{100} = \frac{522}{1} = 522  

I hope this helps!

8 0
3 years ago
-15x+8y=-30 -5x+5y=-10
Scilla [17]

Answer:(x,y)=(6,10)


Step-by-step explanation:


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3 years ago
Phoebe owns a clothing store that designs T-shirts and shorts. She sells the
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3 years ago
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3xy - 15x + y ^ 2 - c In the polynomial above, c is a constant. If the polynomial is divisible by y - 5 , what is the value of c
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Answer:

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Step-by-step explanation:

Synthetic division shows the remainder to be 25-c. In order for that remainder to be zero, the value of c must be 25.

4 0
3 years ago
What is the total area of the shape shown? All units are in feet
DedPeter [7]
First, we should calculate the areas separately.
4x8=32
5.6 x 4 = 22.4/2 = 11.2
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4x8=32
32+11+32+11.2
64+22.2=86.2
So 86.2 ft2
Hope this helped. ^^
8 0
3 years ago
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