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3 years ago

Match each vocabulary word or words to the correct image.

Mathematics

1 answer:

Greeley [361]3 years ago

7 0

The first picture I would say D). The second picture C). The third picture A) and the last one B).

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Explain how the expression 8.3√2+7.9√2 can be simplified using the distributive property.

IceJOKER [234]

Answer:

$\sqrt{2}(16.2)$

Step-by-step explanation:

The distributive property says that the answer of multiplying two numbers is the same as multiplying the first number by the sum or subtraction of two numbers that result in the second number.

What we have to do is to simpligy the ecuation, this mean, making it shorter.

First we take out the common term of the ecuation: $\sqrt{2}$ .

By distributive property $8.3\sqrt{2} +7.9\sqrt{2} =\sqrt{2}(8.3+7.9)$

then $\sqrt{2} (16.2)$ .

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3 years ago

How many solutions does the following system of equations have?

fgiga [73]

Answer:

This system has one solution only

Step-by-step explanation:

We have to evaluate the equations shown in the picture you gave

Since the equations differs, they are not the same, this system has only on solution for x and for y.

In fact, if we sum them, we obtain y=0, and then x=2

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Seven times the sum of 7 and some number is -7. what is the number?

irga5000 [103]

Answer:c

Step-by-step explanation:

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