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Anit [1.1K]
3 years ago
11

What is 8 2/5 as a decimal number

Mathematics
1 answer:
Firdavs [7]3 years ago
7 0

Answer:

8.4

Step-by-step explanation:

8 is a whole njmber, so it stays the same.

2/5 is equivalent to .4, so you put that at the end.

Your answer is 8.4 Hope this helps!

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Which statement best describes a many-to-one function?
r-ruslan [8.4K]

Answer:

B

Step-by-step explanation:

many different values of x lead to the same value of y.

hence, many-to-one.

but it does not mean that all values of x have to lead to the same value of y. it could be, but it is not demanded. so, it is not necessarily a horizontal line.

and this does not give us any information about the power of x involved. so, we cannot make any statement about linear or non-linear function.

8 0
3 years ago
if one out of every 12 students at a school share a locker,how many share a locker in a school of 456 students?
Scilla [17]

1 out of 12 can be written as 1/12

 now multiply 456 by 1/2

this is the same as dividing 456 by 12

456/12 = 38 students share a locker

5 0
3 years ago
Read 2 more answers
I need help with this one math question please!
den301095 [7]

Answer:

see explanation

Step-by-step explanation:

Assuming the fractions are being multiplied

Factorise the denominators of both fractions

x² - 3x - 10 = (x - 5)(x + 2)

x² + x - 12 = (x + 4)(x - 3)

The product can now be expressed as

\frac{x-5}{(x-5)(x+2)} × \frac{x+2}{(x+4)(x-3)}

Cancel (x - 5) and (x + 2) on the numerators/ denominators, leaving

\frac{1}{(x+4)(x-3)} = \frac{1}{x^2+x-12}

3 0
3 years ago
Use the quadratic formula to solve x2 – 3x - 2 = 0.
r-ruslan [8.4K]

Answer:

x = 2 , 1

Step-by-step explanation:

6 0
3 years ago
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8 is 80% of what number A. 10.0 B. 6.4 C. 0.1 D. 640.0
kaheart [24]
The correct answer is A. 10

8 divided by 0.8 = 10
10x0.8=8
3 0
3 years ago
Read 2 more answers
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