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valkas [14]
3 years ago
14

3. Find the difference between the two expressions. 1x - 5y)-1(x + 2y)

Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:

-7y

Step-by-step explanation:

Our equation is:

\left(1x-5y\right)-1\left(x+2y\right)

First we dritribute

Now we have, x-5y-x-2y

Combine light terms

and we get -7y

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-1/5y+7=7<br> What is the value of y?
liq [111]
The answer is y=0

See the attached photo for details

Hope this helps! Please make me the brainliest, it’s not necessary but appreciated, I put a lot of effort and research into my answers. Have a good day, stay safe and stay healthy.

8 0
3 years ago
No links please. Fill in the blanks. 67ns=[?]x10^[?]s
cluponka [151]

Using scientific notation, it is found that:

67 ns = 6.7 \times 10^{-8}s

<h3>What is scientific notation?</h3>

A number in scientific notation is given by:

a \times 10^b

With the base being a \in [1, 10).

In this problem, the amount is of 67 ns.

Each ns has 10^{-9} seconds, hence:

67ns = 67 \times 10^{-9}s

We want the base between 1 and 10(exclusive), hence, we move the decimal digit one digit to the left and add one to the exponent, and the representation is:

67 ns = 6.7 \times 10^{-8}s

You can learn more about scientific notation at brainly.com/question/16394306

7 0
2 years ago
Show all of your work.
kirill [66]
864 shirts :) 36x 24
8 0
2 years ago
Which polynomial is a quadratic trinomial?
il63 [147K]
<h3>Answer: Choice C</h3>

The largest exponent here is 4, so that makes it a quartic.

There are 3 terms, so we have a trinomial. Each term is separated by either a plus or a minus.

Choice A shows a quartic polynomial. Choice B is a cubic polynomial. Choice d is a quadratic trinomial.

5 0
3 years ago
Which two equations would be represented as parallel lines?
Mariana [72]

Answer:

The first and third options are parallel.

Step-by-step explanation:

They both have a slope of 2.

Pls mark brainliest. Thanks!

4 0
3 years ago
Read 2 more answers
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