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3 years ago

12

4/5×10 please tell me the answer

2 answers:

Firlakuza [10]3 years ago

8 0

4 x — - —— = 0 5 10 <span> Step 2 :</span> 4 Simplify — 5 <span>Equation at the end of step 2 :</span> 4 x — - —— = 0 5 10 <span> Step 3 :</span>Calculating the Least Common Multiple :<span> 3.1 </span>   Find the Least Common Multiple

      The left denominator is :      <span> 5 </span>

      The right denominator is :      <span> 10
</span>

krek1111 [17]3 years ago

8 0

You would need to follow the order of operations. It says go from left to right. Therefore, you would do 4/5 which is 0.8. Then, you multiply 0.8 and 10 in order to get 8. 8 is the answer. I typed this equation into the calculator to make sure. XD Good luck.

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Rename the number: 120,00=_______ten thousands

Oliga [24]

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3 years ago

A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t

FinnZ [79.3K]

Answer:

(19229.11 ,20770.89)

Step-by-step explanation:

We are given the following information:

Sample size, n = 17

Sample mean = 20,000 pounds

Sample standard deviation = 1,500 pounds

Confidence level = 95%

Significance level = 5% = 0.05

95% Confidence interval:

$\bar{x} \pm t_{critical}\displaystyle\frac{s}{\sqrt{n}}$

Putting the values, we get,

$t_{critical}\text{ at degree of freedom 16 and}~\alpha_{0.05} = \pm 2.119$

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4 years ago

P(x)=2x^3-11x^2+ax-40 if x+4 is a factor of this polynomial what is the value of a

Vika [28.1K]

Answer:

a = -86.

Step-by-step explanation:

By the Factor Theorem, if x + 4 is a factor then P(-4) = 0, so:

P(-4) = 2(-4)^3 - 11(-4)^2 + a(-4)- 40 = 0

-128 - 176 - 4a - 40 = 0

-4a = 128 +176 + 40

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a = -86.

3 0

3 years ago