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3 years ago

Use the drawing tools to form the correct answers on the grid.

Mathematics

2 answers:

Ilia_Sergeevich [38]3 years ago

6 0

Answer:

x is (2,-25) y is (0,6)

Step-by-step explanation:

DENIUS [597]3 years ago

6 0

Answer: EDMEMTUM USERS

I got this correct on the tutorial, hope this helps!

Step-by-step explanation: (2,-25)

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Eduardwww [97]

Answer:

Sorry... I don't understant...

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3 years ago

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Can any one tell me how to solve this ?? I) (-121) + ______ = 11 II). (-81) ÷ 27 = ______

Vladimir [108]

Answer:

is this the answer

Step-by-step explanation:

I (-121)+...=11

=(-121)+132

=11

II -81/27

=-3

7 0

3 years ago

In order to estimate the average electric usage per month, a sample of 81 houses was selected and the electric usage was determi

lana [24]

Answer:

Confidence interval: (1760,1956)

Step-by-step explanation:

We are given the following information in the question:

Sample size, n = 81

Sample mean =

$\bar{x} = 1858 \text{ kWh}$

Population standard deviation =

$\sigma = 450 \text{ kilowatt-hours}$

Confidence Level = 95%

Significance level = 5% = 0.05

Confidence interval:

$\bar{x} \pm z_{critical}\displaystyle\frac{\sigma}{\sqrt{n}}$

Putting the values, we get,

$z_{critical}\text{ at}~\alpha_{0.05} = \pm 1.96$

$1858 \pm 1.96(\displaystyle\frac{450}{\sqrt{81}} ) = 1858 \pm 98 = (1760,1956)$

6 0

3 years ago

What is the slope of the line through (3, 2) and (-3 ,4)

Delicious77 [7]

Answer:

Slope = $-\frac{2}{3}$

Step-by-step explanation:

Slope = $\frac{rise}{run}$

Slope = $\frac{y2-y1}{x2-x1}$

Slope = $\frac{4-2}{-3-3}$

Slope = $-\frac{4}{6}$

Slope = $-\frac{2}{3}$

4 0

4 years ago

Read 2 more answers

Factor the expression using GCF 8 - 22

N76 [4]

2 is the greatest common factor. Neither 4 nor 8 divides into 8-22 without a remainder.

Thus, 8 - 22 = 2(4 -11) (answer)

7 0

4 years ago