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Brrunno [24]
2 years ago
12

Please help, find the value of x!!

Mathematics
1 answer:
anygoal [31]2 years ago
5 0

Step-by-step explanation:

Given,

EF = 4x + 15

FG = 39

EG = 110

so,

EF + FG = EG

after our values

4x + 15 + 39 = 110

4x + 54 = 110

4x = 110 - 54

4x = 56

x = 56/4 = 14

x = 14.

<em><u>hence </u></em><em><u>value</u></em><em><u> </u></em><em><u>of </u></em><em><u>x </u></em><em><u>is </u></em><em><u>1</u></em><em><u>4</u></em><em><u>.</u></em>

<em><u>hope </u></em><em><u>this </u></em><em><u>answer </u></em><em><u>helps </u></em><em><u>you </u></em><em><u>dear.</u></em><em><u>.</u></em><em><u>.</u></em><em><u>take </u></em><em><u>care!</u></em><em><u>!</u></em>

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4(6c+5) - 2(3c - 5) = 120
ira [324]

Answer:

c=5

Step-by-step explanation:

Simplify both sides of the equation.

4(6c+5)−2(3c−5)=120

(4)(6c)+(4)(5)+(−2)(3c)+(−2)(−5)=120(Distribute)

24c+20+−6c+10=120

(24c+−6c)+(20+10)=120(Combine Like Terms)

18c+30=120

Subtract 30 from both sides.

18c+30−30=120−30

18c=90

Divide both sides by 18.

\frac{18c}{18}=\frac{90}{18}

c=5

hope this helps... :/

8 0
3 years ago
Read 2 more answers
(20 points) A statistics practitioner calculated the mean and the standard deviation from a sample of 400. They are x = 98 and s
Nimfa-mama [501]

Answer:

The P-value is 0.0234.

Step-by-step explanation:

We are given that a statistics practitioner calculated the mean and the standard deviation from a sample of 400. They are x = 98 and s = 20.

Let = population mean.

So, Null Hypothesis, : = 100 {means that the population mean is equal to 100}

Alternate Hypothesis, : > 100 {means that the population mean is more than 100}

The test statistics that will be used here is One-sample t-test statistics because we're yet to know about the population standard deviation;

T.S. = ~

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s = sample standard deviation = 20

n = sample size = 400

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= -2

The value of t-test statistics is -2.

Now, the P-value of the test statistics is given by;

P( < -2) = 0.0234 {using the t-table}

8 0
3 years ago
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Step-by-step explanation:

If the gas tank holds 5 liters and you have 20 liters, then 20/5 = 4 times it will fill it up.

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