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asambeis [7]
3 years ago
11

What is an equation of the line that passes through the points (- 2, 1) and (- 8, 4) ?

Mathematics
1 answer:
Fantom [35]3 years ago
7 0

Answer:

y=-x/2

Step-by-step explanation:

m=(4-1)/(-8-(-2))

m=3/-6

m=-1/2

b=y-mx

b=1-(-1/2*(-2))

b=1-1

b=0

y=-x/2

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Maria plans to fill pots in her garden with soil and plant food. Maria has 8 1/2 quarts of soil as 1 1/2 quarts of plant food. E
babymother [125]
1. You have the following information:
<span>
 - Maria has 8 1/2 quarts of soil.
 - Each pot requires 3/4 quart of soil.
</span>
 2. Keeping this on mind, you can convert the mixed number 8 1/2 and the fracion 3/4 to decimals, as below: 

 8 1/2=8.5 quarts
 3/4=0.75 quarts

 3. Therefore, you have:

 1 pot-----0.75 quarts
       x-----8.5 quarts

 x=(8.5x1)/0.75
 x=11 pots
<span>
 For how many pots does Maria have enough soil?
</span>
 The answer is: 11 pots
 
 
 
8 0
3 years ago
Kylie explained that (negative 4 x + 9) squared will result in a difference of squares because (negative 4 x + 9) squared = (neg
Eva8 [605]

Given:

The given expression is:

(-4x+9)^2

According to Kylie,

(-4x+9)^2=(-4x)^2+(9)^2

(-4x+9)^2=16x^2+81

To find:

The correct statement for Kylie's explanation.

Solution:

We have,

(-4x+9)^2

According to the perfect square trinomial (a+b)^2=a^2+2ab+b^2.

(-4x+9)^2=(-4x)^2+2(-4x)(9)+(9)^2

(-4x+9)^2=16x^2-72x+81

Kylie did not understand that this is a perfect square trinomial, and she did not determine the product correctly.

Therefore, the correct option is C.

4 0
3 years ago
Read 2 more answers
What is the constant rate???
Dmitry [639]

Answer:

The constant rate is 4

Step-by-step explanation:

40 ÷ 10 = 4

80 ÷ 20 = 4

120 ÷ 30 = 4

160 ÷ 40 = 4

They all equal 4 so that is the constant rate.

Brainliest???

4 0
3 years ago
Lisa sells cars for a salary of 2500 per month plus 2% commission of her total car sales. What should her total of car sales be
Bumek [7]

Answer:

$50,000

Step-by-step explanation:

Let x = car sales

We multiply x by 0.02 since she earns 2% along with the added $2500 so that she can end up with $3500

3500 = 0.02x + 2500

Subtract 2500 from both sides

3500 - 2500 = 0.02x + 2500 - 2500

1000 = 0.02x

Divide both sides by 0.02

1000/0.02 = 0.02x/0.02

x = 50000

3 0
2 years ago
If n&lt;-1 then which of the following statements is always true?
Umnica [9.8K]

Option C.

No matter how much n decreases, -1 will always be bigger than 9n.

5 0
3 years ago
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