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Nimfa-mama [501]
4 years ago
7

Simplify this problem. 3(−6+4)=

Mathematics
2 answers:
Aliun [14]4 years ago
3 0

Answer:

-6

Step-by-step explanation:

max2010maxim [7]4 years ago
3 0

Answer:

-6

Step-by-step explanation:

"hope this helps you"

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Solve for x. Round to the nearest tenth, if necessary.
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Answer:

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Step-by-step explanation:

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3 years ago
Which expression is equivalent to 3a^2b•4bc^2
Mice21 [21]

Answer

Step-by-step explanation:

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8 0
3 years ago
Jake Winters plans to invest $7,400.
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7844=7400(1+(8/12)r)
Solve for r
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3 0
4 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\%)

7 0
4 years ago
Jayden’s new puppy weighed 11 1/4 pounds at 4 weeks old. At 16 weeks old, the puppy weighed 1 2/3 times more.
musickatia [10]

Answer:

18.75 or 18 3/4 lbs

Step-by-step explanation:

We just have to multiply 11 1/4 and 1 2/3 to get the product, 18.75 or 18 3/4.

First we have to translate our fractions into decimals:

11.25 (11 1/4) and 1.166667 (1 2/3)

multiply:

11.25 x 1.166667 = 18.75

convert back to fraction:

18 3/4

Hope This helps! Good Luck! If you have any questions please ask me, I would me more than happy to help you understand this method. If you are doing it a different way, I can help with that too.

5 0
3 years ago
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