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belka [17]
3 years ago
12

Choose the situation in which the use of exact number is most appropriate.

Mathematics
1 answer:
Lelu [443]3 years ago
7 0
Ordering laptops. Much more expensive. Higher consequences. 
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Factor the expression 2x^3-3x^2-5x
Ivan

Answer:

x(2x-5)(x+1)

Step-by-step explanation:

1. First factor out the x of all the numbers to get x( 2x^2 -3x -5)

2. To factor, I used cross multiplying- (Sorry but I don't know how to explain it)

3. You're done!

(Sorry if it isn't amazing)

6 0
3 years ago
What is the volume of a cylinder with a diameter equal to 6 and height equal to 8? Let pi = 3.14.
Sindrei [870]
Volume of a cylinder is pi*(radius)^2* height. pi is 3.14 and radius is half of diameter which would be 3. height is 8. Thus volume of a cylinder in your case is pi*9*8 or 72*pi which is approximately 226.19
8 0
3 years ago
Find the length of AC<br> Give your answer to 1 decimal place
Fantom [35]

We will use tangent here as we are finding the opposite with the adjacent given.

So we can simply just put this into a calculator:

tan(68°) × 7 cm = AC

tan(68°) × 7 cm = 17.3 cm

3 0
2 years ago
Read 2 more answers
Please help me there are 2 answers Thank you
yaroslaw [1]

Answer:

m = 7, m = -15

Step-by-step explanation:

The absolute value makes it so we can make two equations:

m + 4 = 11 and m + 4 = -11.

solve the equations:

m + 4 = 11

m = 7

and

m + 4 = -11

m = -15.

6 0
3 years ago
Which function has a range of<br><br> f(x)≥7
amid [387]

Answer:

While it's true that quadratic functions have no domain restrictions, the range is restricted because x2 ≥ 0. The correct answer is: The domain is all real numbers and the range is all real numbers f(x) such that f(x) ≥ 7.

Step-by-step explanation:

3 0
3 years ago
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