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natulia [17]
3 years ago
7

Using the distributive property, which expressions are equivalent to 12+4x?

Mathematics
1 answer:
VLD [36.1K]3 years ago
6 0

Answer:

(10 + 2) + (4 + x)

Step-by-step explanation:

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−21x + 121; x= 5<br> Help Me!!
NeTakaya

Answer:

16

Step-by-step explanation:

-21x+121

x=5

substitute x

-21(5)+121=-105+121=16

3 0
3 years ago
Read 2 more answers
Find the domain of the inverse of the<br>following functions​
luda_lava [24]

Answer:

f(x) = (3x - 7)/5

f^-1(x) = (5y + 7)/3

The DOMAIN is the set of all possible numbers that you can put in for the independent variable and get an answer. If you had g(x) = 1/x, you could NOT put in 0 for x and get an answer because 1/0 is undefined. So the domain is all numbers but 0.

The RANGE is the set of numbers you will get for the dependent variable. If you had g(x) = 1/x, you could NOT get 0 for g(x), no matter what you put in for x. So the range is all numbers but 0.

In both your functions the domain and the range equal all possible numbers. Or all real numbers.

Step-by-step explanation:

Another way to write the answers is:

D = {x | x = R} and R = {f(x) | f(x) = R} where

D = domain, R = range, { } means set, | is such that.

7 0
2 years ago
Read 2 more answers
Sara made an error in solve the one-step equation below.5x + 9 = 29-9 -9- 4x = 29/4. /4x = -7.25What is the error that Sara made
MAXImum [283]
5x+9=29

To solve this one-step equation you:

1. Substract 9 in both sides of the equation:

In this step is the mistake as Sara gets as result -4x=29 and the corret result of substract 9 in both sides of the equation is 5x=20.

2. Divide both sides of the equation into 5:

Then, the answer that Sara should found for the equation is x=4

8 0
1 year ago
Complete each blank to find an expression that is equal to 16%. a. __ for every 100, b. __for every 50, c. 1 for every __, d. 0.
KonstantinChe [14]
16 for every 100
8 for every 50
1 for every 16
.5 for every 8
4 0
3 years ago
Help&amp;EXPLAIN <br> •••••••••••••••••••
lorasvet [3.4K]

Answer:

432

Step-by-step explanation:

area of the given figure =

\frac{b1 + b2}{2}  \times h

=》

\frac{20 + 28}{2}  \times 18

=》

24 \times 18

=》

432

8 0
2 years ago
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