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lesantik [10]
2 years ago
13

I need help what is the answer

Mathematics
1 answer:
uysha [10]2 years ago
8 0
-4 because they are both the y axis
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5y - (21x + 7)<br> Which is the correct description
belka [17]

Answer

-21x + 5y - 7

Did this help?

Step-by-step explanation:

7 0
3 years ago
H. Goes through (-3, -2) and parallel to y = 5 x +5
olchik [2.2K]

Answer:  y = 5x + 13

<u>Step-by-step explanation:</u>

Parallel means it has the same slope.  

Given line y = 5x + 5  --> the slope is 5, so parallel slope is 5

Use the Point-Slope formula: y - y₁ = m(x - x₁)  such that

  • m = 5
  • (x₁, y₁) = (-3, -2)

y + 2 = 5(x + 3)          <em>input m and (x₁, y₁) into the Point-Slope formula</em>

y + 2 = 5x + 15          <em>distributed</em>

     y = 5x + 13          <em>subtracted 2 from both sides</em>

7 0
3 years ago
In the system of equations, which variable would it be easiest to solve for?
Digiron [165]

Answer:

The easiest way of solving this is to eliminate one of the variables.  If you multiply each of the equations by a number so you can add the equations together and have only one variable left, you can solve the single variable equation.  Try multiplying the first equation by 11, the second by -10 and adding them, thus eliminating the y  variable.  After this, substitute that value you have for x and solve for y.  I hope this helps.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Consider the null hypothesis, H0: µ = 4,000, at the 1% level of significance. If the z-test statistic is calculated to be 6.00,
kow [346]

Answer:

Option B) Reject null hypothesis      

Step-by-step explanation:

We are given the following in the question:

We are given the null hypothesis:

H_0 = 4,000

\alpha = 0.01

z_{stat} = 6.00

Two tailed z-test

Now, z_{critical} \text{ at 0.01 level of significance } = \pm 2.58

Since,  

The calculated z-statistic does not lie in the acceptance region, we fail to accept and reject the null hypothesis.

Left-tailed z-test

Now, z_{critical} \text{ at 0.01 level of significance } = -2.58

Since,  

z_{stat} > z_{critical}

We fail to accept and reject the null hypothesis.

Right-tailed z-test

Now, z_{critical} \text{ at 0.01 level of significance } = 2.58

Since,  

z_{stat} > z_{critical}

We fail to accept and reject the null hypothesis.

7 0
3 years ago
I have no idea what I'm doing help
lys-0071 [83]
3) 1 lb=16 oz. multiply the number of lbs by 16 to get number of oz: 320x16=5,120. Since they want per month divide by 12: 5120/12=426.6667. Rounded to the nearest tenth: 426.7 oz. hope this helps :)
7 0
3 years ago
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