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zhuklara [117]
2 years ago
15

Please help ill give brainliest

Mathematics
1 answer:
Olenka [21]2 years ago
6 0
1. y=7/8x +1
2. y=-10x
3. y=2.5x-7
4. y=1.2x
5. y=-5x-8
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$350 in the ratio 4:3
kherson [118]

Answer:

$200 : $150

Step-by-step explanation:

Sum the parts of the ratio, 4 + 3 = 7 parts

Divide the total by 7 to find the value of one part of the ratio.

$350 ÷ 7 = $50 ← value of 1 part of the ratio

4 parts = 4 × $50 = $200

3 parts = 3 × $50 = $150

8 0
2 years ago
For which interval is the average rate of change of f(x) negative?
Aloiza [94]
Option C. It’s where it’s decreasing over the entire interval.
7 0
3 years ago
A. After Lou poured 2 liters of water into a large jug, the jug
Finger [1]

Answer:

8 liters

Step-by-step explanation:

If the sum of 2 + x = 10,

then you subtract 10 - 2 = x,

to get x = 8

4 0
2 years ago
Read 2 more answers
Can someone help me with this one too
11Alexandr11 [23.1K]

Answer:

A. 3 {}^{9}

Step-by-step explanation:

3 {}^{4} \times {3}^{5} =  {3}^{4 + 5} = 3 {}^{9}

Hope this helps ;) ❤❤❤

6 0
3 years ago
Read 2 more answers
Can someone help pleaseeeeeee
Anna007 [38]

Answer:

-5

Step-by-step explanation:

The parabolas equation is

(y - k)^2 = 4p(x - h)

Where h,k is the vertex

Substituting the vertex ad (2,-4)

(y - -4)^2 = 4p(x - 2)

(y +4)^2 = 4p(x - 2)

We need to find p from the other point they give us (-3,-3)

(-3 +4)^2 = 4p(-3 - 2)

1^2 = 4p (-5)

1 = -20p

Divide by -20

1/-20 = -20p/-20

-1/20 = p

Substituting back into the equation

(y +4)^2 = 4(-1/20)(x - 2)

Simplifying

(y +4)^2 = (-1/5)(x - 2)

FOILing

y^2 +8y +16 = -1/5x +2/5

Multiply by 5

5y^2 +40y +80 = -x +2

Subtract 2

5y^2 +40y +80-2 = -x +2-2

5y^2 +40y +78 = -x

Multiply by -1

-5y^2 -40y -78 = x

The coefficient of y^2  is -5

8 0
3 years ago
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