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malfutka [58]
3 years ago
15

Please help

Mathematics
1 answer:
Likurg_2 [28]3 years ago
4 0

Answer:

Left side: 1/20  Right side: 11/20

:)

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Ksenya-84 [330]

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44•33 = 1452 m.

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How to solve question one ?
viva [34]
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First, you need to use the distributive property on the right to get -30-5x=-4x-30-24x

Then, you can add like terms to get -30-5x=-30-28x

Then, you can add 30 to both sides and add 5x to both sides to get 0=-23x

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6 0
3 years ago
Solve the equation 3y + xy = 23 for<br> the variable y.
mixas84 [53]

y = 23/(3 + x)

Step-by-step explanation:

\begin{aligned}\rm 3y + xy&= 23\\\rm y(3 + x)&= 23\\\bf y&=\bf\frac{23}{3+x}\end{aligned}

4 0
3 years ago
PLEASE HELP WITH THIS ONE QUESTION
raketka [301]

Answer:

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Step-by-step explanation:

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8 0
3 years ago
What sample size should be used if we would like to estimate the mean age of the college students at a particular campus with 95
nevsk [136]

Answer: 12

Step-by-step explanation:

The formula to find the sample size is given by:-

n=(\dfrac{z_c\cdot \sigma}{E})^2 , where \sigma is the population standard deviation, z_c is the z-value for the (1-\alpha) confidence interval and E is the margin of error .

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z-value for 95% confidence interval : z_c=1.960

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Then, the required minimum sample :-

n=(\dfrac{(1.96)\cdot (5.1)}{3})^2\\\\\Rightarrow\ n=(3.332)^2=11.102224\approx12

Hence, the required minimum sample size = 12

3 0
3 years ago
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