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2 years ago

X/4 + 9 = -13 help please

Mathematics

2 answers:

Murljashka [212]2 years ago

7 0

Answer:Subtract

from both sides of the equation

from both sides of the equation

Multiply all terms by the same value to eliminate fraction denominators

Feliz [49]2 years ago

3 0

Answer:

x= -88

Step-by-step explanation:

We move all terms to the left:

x/4+9- (-13)=0

Then we add all the numbers together, and all the variables:

x/4+22=0

We multiply all the terms by the denominator:

x+22*4=0

We all all the numbers together, and all the variables:

x+88=0

We move all the terms containing x to the left, all other terms to the right:

x= -88

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2 years ago

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a data set has a mean of 68 and standard deviation of 6. An element in this set is 51. What is z-score for 51? Round your answer

gogolik [260]

z = -2.83

Explanation:

Given:

Mean, μ = 68

Standard deviation, σ = 6

Data point, x = 51

Z score, z = ?

We know:

$z = \frac{data point - mean}{standard deviation} \\\\z = \frac{x - u}{p}$

Substituting the value we get:

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3 years ago

Solve the equation and enter the value of x below. x(8 + 9) = 34

vodomira [7]

$\huge\boxed{\mathfrak{Answer}}$

$x(8 + 9) = 34 \\ 8x + 9x = 34 \\ 17x = 34 \\ x = \frac{34}{17} \\ x = 2$

=> The answer is 2.

5 0

2 years ago

Please help I really need it

yawa3891 [41]

Answer: m< MIH is 34°

M< AVM is 70°

And the angle of the obtuse angle formed at the intersection of AV and HI is 104°

Step-by-step explanation: starting with m<MIH, AH is parallel to MI, so that would make the same angle H has the same for I. (34°)

Next is m<AVM. The angle of m<LAH is 110°. So the angle of m<HAV (because it's supplementary of it) is 70 (110+70=180). Which makes m<AVM 70° since it's vertical to each other.

Since we got those answers, the next one you just plug it in, and the answer would be 104°

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3 years ago

What is the percent of increase from 10 to 127

satela [25.4K]

Answer:

Step-by-step explanation:

127 decrease to 10 is 27

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3 years ago