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ivanzaharov [21]
3 years ago
6

I really need help pleaseee on the ones I got wrong

Mathematics
1 answer:
Pachacha [2.7K]3 years ago
8 0

Answer:

7. 2|x+2|-1

8. (-2,-1)

10. y≥2

Step-by-step explanation:

7. a|x-h|+k

Vertical stretch by a factor of two, horizontal shift left two, vertical shift down one

8. (h,k)

10. It should be y, but otherwise you are good

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Which of the following is not a rational number?<br><br><br> Help please
Pavlova-9 [17]
A, because negative is not rational
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3 years ago
Rewrite each expression using the distributive property. Then combine like terms if possible. 2(x+4
Eduardwww [97]

Step-by-step explanation:

Step 1: Multiply the 2 with the X to get 2X.

Step 2: multiply the 2 with the 4 and get 8

Step 3: your answer is 2X+8

7 0
3 years ago
X 2 − 10 x + 5<br> what is the answer
lakkis [162]

Answer:

-8x+5

Step-by-step explanation:

txt if you need a explanation

5 0
2 years ago
the pressure, P, of a gas varies inversely with its volume, V. pressure is measured in units of PA. Suppose that a particular am
miss Akunina [59]

The pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

<h3>What is a proportional relationship?</h3>

It is defined as the relationship between two variables when the first variable increases, the second variable also increases according to the constant factor.

We have:

The pressure, P, of a gas varies inversely with its volume, V.

P ∝ 1/V

P = k/V

k is the constant.

If P = 126 Pa and V = 52 L

126 = k/52

k = 6552

P = 6552/V

Plug V = 168 L

P = 6552/168 = 39 Pa

Thus, the pressure is 39 Pa if the volume is expanded to 168L and the pressure, P, of a gas varies inversely with its volume, V.

Learn more about the proportional here:

brainly.com/question/14263719

#SPJ1

3 0
2 years ago
Combine like terms in the given polynomial. Then, evaluate for x = 4, y = – 2.
EastWind [94]

Answer:

- 2 x y^2+3 x^2 y -xy

-120

Step-by-step explanation:

xy – 2xy + 3x^2 y — 4x y^2 + 2xy^2

Combine like terms

xy – 2xy + 3x^2 y — 4x y^2 + 2xy^2

- x y+3 x^2 y - 2 x y^2

Let x = 4 y = -2

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

Exponents first

-(4)(-2) +3(16) (-2) -2(4)(4)

Multiply

+8 -96-32

Add and subtract

-120

5 0
2 years ago
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