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Lelu [443]
3 years ago
12

I need help with problems 20,22,24,26 and 28

Mathematics
1 answer:
Nostrana [21]3 years ago
5 0
Convert milliliters to feet and then multiply 1 1/4 by 3 do the same but convert to the problems it says
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What is the area to this shape ?
Dafna1 [17]

Answer:

249.42 units²

Step-by-step explanation:

Given only the apothem of an n-sided regular polygon, the area can be computed as ...

... A = n·a²·tan(180°/n)

For n=3 and a=4√3, this is ...

... A = 3·(4√3)²·tan(60°)

... A = 3·48·√3 = 144√3 . . . . units²

... A ≈ 249.42 units²

4 0
3 years ago
Solve. −35x+15>720 Drag and drop a number or symbol into each box to show the solution.
vampirchik [111]

Answer:

The solution of the inequality - 35x + 15 > 720  is x

Step-by-step explanation:

Consider the given inequality

- 35x + 15 > 720

Subtract both side by 15 , we get

- 35x + 15 - 15 > 720 - 15

- 35x > 705

Multiply both sides by -1 (Reverse the inequality )

(-35x)(-1) < 705 (-1)

35x < -705

Now, divide both side by 35

\frac{35x}{35}=\frac{-705}{35}

\Rightarrow x=\frac{-141}{7}

Thus, the solution of the inequality - 35x + 15 > 720  is x

6 0
3 years ago
A circle has a diameter of 4 inches. Which statement about the area and circumference of the circle is true?
hoa [83]
Only the second one
when diameter is 4 r=2
so 2pi*2=2²*pi the first is circumference the second area
7 0
3 years ago
Solve for all solutions (2x+3)2=81
Scrat [10]
X=12
Hope this helps

3 0
3 years ago
Read 2 more answers
A researcher is interested in estimating the mean weight of a semi tracker truck to determine the potential load capacity. She t
uranmaximum [27]

Answer:

The degrees of freedom associated with this problem are 16.

Step-by-step explanation:

The degrees of freedom associated with a problem, independent of the confidence level, is the sample size subtracted by 1.

In this problem, we have that:

She takes a random sample of 17 trucks, so the sample size is 17.

This means that the degrees of freedom associated with this problem are 16.

4 0
3 years ago
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