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nadezda [96]
2 years ago
10

Please help I’ll give 30 poins

Mathematics
2 answers:
azamat2 years ago
5 0
It will make a cube and the surface area is 125 I believe


5^3=125 therefore the surface area is 125
Jobisdone [24]2 years ago
3 0
Part a= cuboid

Part b= To find the surface area of a cuboid, add the areas of all 6 faces. We can also label the length (l), width (w), and height (h) of the prism and use the formula, SA=2lw+2lh+2hw, to find the surface area.*I tried my best sorry*
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Maggie ebought 52 ounces of swordfish selling for $6.92 per pund. What was the total cost?
UNO [17]
The total cost was $22.49
3 0
3 years ago
A professor finds that the average SAT score among all students attending his college is 1150 ± 150 (μ ± σ). He polls his class
solniwko [45]

Answer:

Step-by-step explanation

Hello!

Be X: SAT scores of students attending college.

The population mean is μ= 1150 and the standard deviation σ= 150

The teacher takes a sample of 25 students of his class, the resulting sample mean is 1200.

If the professor wants to test if the average SAT score is, as reported, 1150, the statistic hypotheses are:

H₀: μ = 1150

H₁: μ ≠ 1150

α: 0.05

Z= \frac{X[bar]-Mu}{\frac{Sigma}{\sqrt{n} } } ~~N(0;1)

Z_{H_0}= \frac{1200-1150}{\frac{150}{\sqrt{25} } } = 1.67

The p-value for this test is  0.0949

Since the p-value is greater than the level of significance, the decision is to reject the null hypothesis. Then using a significance level of 5%, there is enough evidence to reject the null hypothesis, then the average SAT score of the college students is not 1150.

I hope it helps!

7 0
3 years ago
QUESTION 1
GREYUIT [131]

Answer:

i dont know

Step-by-step explanation:

....

7 0
3 years ago
WILL MARK BRAINLYIST HELP FASTTT
marysya [2.9K]

Answer:

im reallly sorry

Step-by-step explanation:

5 0
2 years ago
Given f(x)= 3x+2, what is the Inverse Function?
Grace [21]

Answer:

Step-by-step explanation:

For this case we must determine the inverse of the following function:

f(x)=3x-2

Step 1:

We would write

y=f(x) or y=3x-2

Step 2:

We clear x:

y+2=3x

\frac{y+2}{3}=x

Step 3:

"x" and "y" are exchanged:

y=\frac{x+2}{3}

The inverse is:

f^{-1}(x)=\frac{x+2}{3}

8 0
3 years ago
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