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masya89 [10]
3 years ago
15

Which expression is equivalent 10 (6x + 15) - 3? A. -2x + 12 B. 2x + 2 C. -2x - 2 D. -2x -8​

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0

Answer:

60x+147

Step-by-step explanation:

10(6x+15)-3

60x+150-3

60x+147

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What are the zeros of the function f(x) = x2 – 10x + 21?<br> help bro
Nady [450]

Answer:

3, 7

Step-by-step explanation:

"Zeros" means solutions to the equation f(x) = 0.  In other words, what are the values of  x  that make the function's value equal to zero?

This one can be solved by factoring.

x^2-10x+21=0\\(x-7)(x-3)=0\\x-7=0 \text{ or } x-3=0\\x=7 \text{ or } x=3

5 0
3 years ago
Before leaving to visit Mexico, Levant traded 270 American Dollars and received 3,000 Mexican Pesos. When he returned from Mexic
Darya [45]
American Dollars: 270, 9
Mexican Pesos: 3,000, 100

To convert from Mexican pesos to American dollars, multiply the amount by 0.09.
8 0
3 years ago
Find the slope of a line that passes through points (-3, 5) and (1, 2)
Mashcka [7]

Answer:

the slope is -3/4

Step-by-step explanation:

this is because you need to do rise/run not run/rise,  you set it up as a table

<u>x l y</u>       Then, you would just find the difference between the two x coordinates and the two y coordinates, and find whether they increase or decrease

-3,5                         you can see that from -3 to postive 1 there

 1,2                         is an increase of 4.  you can also see that from 5 to 2 there is a decrease of 3.  The y and x point have to flop places to become rise/run and it shows that the slope is -3/4 :) i hope this helps

3 0
3 years ago
Larissa argued that since log2(2) = 1 and log2(4) = 2, then it must be true that log2(3) = 1.5. Is she correct?
mestny [16]

Answer:

2^{1.5} = 2.8284. This means that Larissa is not correct.

Step-by-step explanation:

To solve logarithms, we have to consider the following:

\log_{a}(b) = c means that a^{c} = b.

So, for example:

log_{2}(2) = 1 because 2^{1} = 2.

log_{2}(4) = 2 because 2^{2} = 4.

If 2^{1.5} = 3, then Larissa is correct. However, 2^{1.5} = 2.8284. This means that Larissa is not correct.

6 0
3 years ago
FOR 47 POINTS PLEASE HELP
Julli [10]

Answer:

UV=25 units

Step-by-step explanation:

we know that

UW=UV+VW -----> by addition segment postulate

substitute the given values

4x+10=5x+5

solve for x

5x-4x=10-5

x=5

Find the value of UV

UV=5x

substitute the value of x

UV=5(5)=25 units

3 0
3 years ago
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