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Murljashka [212]
3 years ago
7

I need help with this

Mathematics
1 answer:
STALIN [3.7K]3 years ago
4 0

the answer to the problem is150

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Enter your answer and show all the steps that you use to solve this problem in the space provided.
Greeley [361]

Answer:

The steps are below. Thanks.

Step-by-step explanation:

Equation= 0.6(1)+0.8=1.4

1. Calculate the product. Any expression multiplied by 1 remains the same.

  • 0.6×1+0.8 to 0.6+0.8

2. Calculate. Add the numbers.

  • 0.6+0.8 to 1.4

3. Answer found!

  • 1.4

Alternative Form of the final answer 1.4 could be: 7/5 or 1 2/5.

Hope this helps and if you could mark me as brainliest. Thanks!

7 0
3 years ago
A statistics teacher started class one day by drawing the names of 10 students out of a hat and asked them to do as many pushups
HACTEHA [7]

Answer:  b. 8.56 to 21.44

Step-by-step explanation:

Let  \mu be the  mean number of pushups that can be done.

As per given , we have

Sample size : n= 10

Degree of freedom = n-1=9

Sample mean : \overline{x}=15

Sample standard deviation : s=9

Significance level : α=1-0.95=0.05

From t- distribution table ,

Critical two -tailed t-value for α=0.05 and df = 9 is

t_{\alpha/2, 9}=t_{0.025,9}=2.2622

Confidence interval for \mu is given by :-

\overline{x}\pm t*\dfrac{s}{\sqrt{n}}

=15\pm (2.2622)\dfrac{9}{\sqrt{10}}\\\\\approx 15\pm 6.44=(15-6.44,\ 15+6.44)\\\\=(8.56,\ 21.44)

Hence, the  95% confidence interval for the true mean number of pushups that can be done is 8.56 to 21.44.

5 0
3 years ago
Write the polynomial in standard form 8-5x+x^3-2x^4
yan [13]

Answer:

-2x^4+x^3-5x+8

Step-by-step explanation:

8-5x+x^3-2x^4

Write the polynomial from highest powers of x to lowest

-2x^4+x^3-5x+8

8 0
3 years ago
What is 0.6 divided by 13.2
Romashka [77]

Answer:

0.04545454545

Step-by-step explanation:

can i have brainliest pls?

6 0
3 years ago
Find all real numbers $s$ such that $-2(s - 7) > 4s + 8$. Give your answer in interval notation.
Stolb23 [73]

Answer:

s\in (-\infty,1)

Step-by-step explanation:

Solve the inequality -2(s - 7) > 4s + 8

Use distributive property:

-2s+14>4s+8

Subtract 4s:

-2s+14-4s>4s+8-4s\\ \\-6s+14>8

Subtract 14:

-6s+14-14>8-14\\ \\-6s>-6

Divide by -6 (do not forget to change sign, because division by negative number changes the sign):

s

5 0
3 years ago
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