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2 years ago

Can somebody help me ???

Mathematics

1 answer:

Firlakuza [10]2 years ago

4 0

Answer: to find y, simply make the equation y+82=180 since we know a straight line is 180 degrees. Solving gives us Y=98.

To find Z we can use the vertical angles property. Y is equal to 4z+14 in this property. Since we know y=98, we can say that 4z+14=98. Let’s solve again. We get Z=21.

Step-by-step explanation: AGAIN, please ask me if this doesn’t make sense. I’ll try my best to explain further. Merry christmas lkwkn

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Which is the solution to the inequality? y minus 27 greater-than-or-equal-to negative 13 y greater-than-or-equal to negative 40

djyliett [7]

Answer:

$y\geq 14$

y greater than or equal to 14

Step-by-step explanation:

Given the inequality:

$y-27\geq -13$

We solve it by isolating the variable y on one side. That is, in our case we add 27 to both sides and get:

$y-27\geq -13\\y\geq 27-13\\y\geq 14$

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3 years ago

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If two angles are supplementary, their sum equals

Black_prince [1.1K]

If two angles are supplementary, their sum equals 180 degrees

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3 years ago

In order to estimate the average time spent on the computer terminals per student at a local university, data were collected fro

VladimirAG [237]

Answer:

Margin of error for a 95% of confidence intervals is 0.261

Step-by-step explanation:

Step1:-

Sample n = 81 business students over a one-week period.

Given the population standard deviation is 1.2 hours

Confidence level of significance = 0.95

Zₐ = 1.96

Margin of error (M.E) = $\frac{Z_{\alpha }S.D }{\sqrt{n} }$

Given n=81 , σ =1.2 and Zₐ = 1.96

Step2:-

 $Margin of error (M.E) = \frac{Z_{\alpha }S.D }{\sqrt{n} }$ 

 $Margin of error (M.E) = \frac{1.96(1.2) }{\sqrt{81} }$ 

On calculating , we get

Margin of error = 0.261

Conclusion:-

Margin of error for a 95% of confidence intervals is 0.261

4 0

3 years ago

Please answer this question i really want answers :(

vekshin1

Based on the hints of distinguishing between radical and non-radical numbers, we have the following lists:

$\sqrt{3}$ , $2.\overline{2}$ , 2.5, $\sqrt{5}$
3.01, $3.\overline{01}$ , $3.\overline{1}$ , $\sqrt{9}$
$-4.\overline{1}$ , - 4.1, 4.01, $\sqrt{17}$
- 2.5, $-\sqrt{5}$ , $\sqrt{6}$ , 2.5

<h3>How to order numbers from least to greatest</h3>

In this question we must order sets of numbers in ascending order. A hint consists in comparing non-radical numbers with the closest radical numbers whose results are integers.

In consequence, we obtain the following orders:

$\sqrt{3}$ , $2.\overline{2}$ , 2.5, $\sqrt{5}$
3.01, $3.\overline{01}$ , $3.\overline{1}$ , $\sqrt{9}$
$-4.\overline{1}$ , - 4.1, 4.01, $\sqrt{17}$
- 2.5, $-\sqrt{5}$ , $\sqrt{6}$ , 2.5

To learn more on sets: brainly.com/question/18877138

#SPJ1

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2 years ago

5X+17=7 PLEASE HELP FAST WITH STEP FAST

katen-ka-za [31]

Answer:

x=-2

Step-by-step explanation:

5x+17=7

5x=-10

x=-2

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3 years ago

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