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Sveta_85 [38]
2 years ago
6

Evaluate the expression when n= 3. n2+8n+6

Mathematics
1 answer:
Katyanochek1 [597]2 years ago
4 0

Answer:

36

Step-by-step explanation:

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3x^2+42x+105=0 Find the solution<br><br>  <br>  <br> 0<br> 0
Nina [5.8K]

Step-by-step explanation:

I think we have to find the factors so

3x2 + 42x + 105

First we will multiply 105 by 3 = 315 then find factors of 315 which may add or subtract = 42

So 45 and 7

3x2 + 45x - 7x + 105

3x( x + 15) - 7(x - 15)

(3x - 7) and ( x - 15) are the factors

There is a problem please recheck the question

6 0
3 years ago
A cube is cut in to three parts by vertical slices find the volume of the shaded area The length and width of original is 20 cm
Anni [7]

Answer:

4000 cm^3

Step-by-step explanation:

Note that no image was attached for reference purposes

Step one:

We are given that the original length and width of the cube is 20cm

if the cut part is 10cm

hence the dimension of the cut part is

lenght = 20cm

Width= 20cm

Hieght= 10cm

Step two:

the volume of the cut part will be

Volume= 20*20*10

Volume= 4000 cm^3

7 0
3 years ago
HELP ASAP WHICH FUNCTION BELOW HAS THE GREATER RATE OF CHANGE THX AND PLZ
Sophie [7]

Answer:

B

Step-by-step explanation:

B has a slope of 7 while A has a slope of 6.

slope of B 14-7/2-1 = 7

A slope is y= mx+b and m is the slope. so 6.

4 0
2 years ago
The Colosseum in Rome has a total volume of 47 million cubic feet. When it was in use, it was 180 feet tall. Suppose a scale mod
nevsk [136]

Answer:

56 ft

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
If you inflate a beach ball with 14,130 cubic inches of air, what will its radius be? Use 3.14 for π. Round to the nearest whole
GREYUIT [131]

Answer: 15

Step-by-step explanation:

The answer is because if you divide 14,130 by 3.14. You'll get 4500 and then divide that by 300 and your finally is 15

8 0
3 years ago
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