2 years ago

You look good today, and don’t let people tell you other wise (:

Mathematics

1 answer:

Tamiku [17]2 years ago

5 0

Answer:

Thank You. Have a wonderful day

Step-by-step explanation:

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9(m-3)+3m=7m+43 help me please

nikdorinn [45]

Answer:

multiply 9 from m and -3

9m - 27 + 3m = 7m + 43

12m - 27 = 7m + 43

12m - 7m = 43+ 27

5m = 70 cut 70 by 5 in 14 times [ 14 x 5= 70 ]

m = 14 answer ❤️❤️ it is 100% correct now!

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2 years ago

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What is the value of this expression 3*[(7+8)*2+6] A.64 B.87 C.96 D.108

Westkost [7]

D. 108
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3 years ago

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salantis [7]

I assume the answer is 1/4

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3 years ago

insurance company checks police records on 559 accidents selected at random and notes that teenagers were at the wheel in 91 of

ss7ja [257]

Answer: $(13.22\%,\ 19.34\%)$

Step-by-step explanation:

Given : Sample space : n= 559

Sample proportion : $\hat{p}=\dfrac{91}{559}=0.162790697674\approx0.1628$

$=16.28\%$

Significance level : $\alpha= 1-0.95=0.05$

Critical value : $z_{\alpha/2}=1.96$

Confidence level for population proportion:-

$\hat{p}\pm z_{\alpha/2}\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}\\\\=0.1628\pm (1.96)\sqrt{\dfrac{0.1628(1-0.1628)}{559}}\\\\=0.1628\pm0.030604971367\\\\\approx 0.1628\pm0.0306=(0.1322,\ 0.1934)=(13.22\%,\ 19.34\%)$

Hence, 95% confidence interval for the percentage of all auto accidents that involve teenage drivers.= $(13.22\%,\ 19.34\%)$

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3 years ago

Convert x-y=3 and x-2y=3 into slope intercept form.

rodikova [14]

Y=x-3 and Y=1/2x-3/2 and that is ur answer

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3 years ago