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GaryK [48]
3 years ago
6

which choices are equivalent to the fraction below? check all that apply. 9^3/9^3 A.9^1 B.1 C.0 D.9^6 E.9^0

Mathematics
1 answer:
svetoff [14.1K]3 years ago
5 0

Answer:

Answers B and E

Step-by-step explanation:

Regarding the fraction 9^3/9^3:  You'd find it much easier to reduce this or find an equivalent expression if you'd write the fraction vertically:

9^3

------- = 1 (Answer B); but 9^0 is also correct (Answer E)

9^3

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Rewrite 8x - 7 as the product of two factors
kykrilka [37]

Answer:

factors are any group of number or expressions which, when multiplied, produce another number or expression.

Basic example:  4 can be broken into 2 factors---2 and 2.  2 times 2 = 4

Example using an unknown:

2X + 6 = 2 * (X + 3)

In the given problem, there is no whole-number common factor.  A normal convention would be to factor based on the unknown term----thus 8X is factored into 8 and X.

So:  8X + 7 = 8 ( X + 7/8 )

The following would also be correct:

8X + 7 = 4 ( 2X + 7/4 )

Step-by-step explanation:

8 0
3 years ago
A store buys frozen burritos from a supplier for $1.40 each. The store adds a markup of 80% to determine the retail price. This
boyakko [2]
$1.40  -  price from a supplier = 100%
100% + 80% = 180% = 1,8  -  the retail price

1,40 * 1,8 = $2,52 - the retail price 

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2,52 * 0,75 = $1,89  -   the sale price.


8 0
3 years ago
The sum of twice a<br> number and 31
Andreyy89

Answer:

Let the unknown number be x ;

2(x) +31\\=2x+31

Step-by-step explanation:

3 0
3 years ago
PLEASE HELP!!<br> Find the volume of the sphere rounded to the nearest hundredth
Studentka2010 [4]

Answer:

Step-by-step explanation:

The volume for a sphere is

V=\frac{4}{3}\pi r^3. Our radius is 21 inches, so

V=\frac{4}{3}\pi (21)^3 and

V=\frac{4}{3}\pi (9261). Multiplying straight across the top, using the fact that 3.14 is pi:

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7 0
2 years ago
Please help
Harman [31]

Answer:

we get \mathbf{gf(2)=-\frac{1}{3}}

Step-by-step explanation:

We are given:

f(x)=1-2x\\g(x)= \frac{1}{x}\\h(x)=x^3+1

We need to find value of gf(2)

gf(2)=g(f(2))

First putting f(x) inside of g(x) and then putting x=2

gf(x)=g(f(x))\\gf(x)=\frac{1}{1-2x}

Now putting x=2 to find gf(2)

gf(x)=\frac{1}{1-2x}\\gf(2)=\frac{1}{1-2(2)}\\gf(2)=\frac{1}{1-4}\\gf(2)=\frac{1}{-3}\\gf(2)=-\frac{1}{3}

So, we get \mathbf{gf(2)=-\frac{1}{3}}

3 0
2 years ago
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