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RoseWind [281]
3 years ago
11

I need this two questions

Mathematics
1 answer:
Setler79 [48]3 years ago
4 0

Just solve.

(17-k)^3\\k=12 \\ \\ (17-12)^3 \\ \\ (5)^3 \\ \\ 125\\

\\\\(5+2n)^5 \\ n=-2 \\ \\ (5+2(-2))^5 \\ \\ (5-4)^5 \\ \\ (1)^5 \\ \\ 1

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The pentagonal prism has a perpendicular distance of 14 units between the bases. The volume of the prism is 840 cubic units. Wha
Leno4ka [110]

Answer:

Option 4. Perimeter = 30 units

Step-by-step explanation:

Since the volume of a pentagonal prism is 840 cubic units.

Perpendicular distance between the bases = 14 units

We know volume of a pentagonal prism = Area of base × distance between the bases

840 = Area × 14

Area = 840/14 = 60 square units

Now area of a pentagon

A=\frac{a^{2}}{4}\times\sqrt{5(5+2\sqrt{5})}

1.72a^{2}=60

a^{2}=\frac{60}{1.72}=34.90

a=\sqrt{34.9}=5.91

Therefore perimeter of the pentagon = 5×a = 5×5.91 = 29.54 ≈ 30 units

8 0
3 years ago
What is mMHJ? Please help
Ghella [55]
2x - 20 = x + 15

x = 35

Now plug x in:

2*35 - 20 = 50 degrees






7 0
3 years ago
Assume a program has the following variable defenition: int a, b =2; float c = 4.2; and the following statement: a = b * c; What
Vladimir [108]

Answer:

The correct option is B.

Step-by-step explanation:

In a program the variables are defined as

int a, b =2;

float c = 4.2;

The given statement is

a = b * c

a = 2 * 4.2

a = 8.4

It is given that variable a is an integer. So, only integer value can be stored in a.

a ≈ 8

It means 8 will be stored in a. Therefore the correct option is B.

5 0
3 years ago
The high temperature Monday was 4 degrees. The low temperature was -7 degrees. What is the difference between the high and low t
OleMash [197]

Answer:

Hey there!

We are trying to find the difference between 4 and -7

We can write -7+x=4, where x is the difference we are trying to find.

Solving for x, we get that the difference is 11.

Let me know if this helps :)

7 0
2 years ago
Look at this graph:
Radda [10]
Use the method rise over run (rise/run) that would get you 30/20 and that would equal to 1.5
8 0
3 years ago
Read 2 more answers
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