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Luden [163]
3 years ago
11

Combine the following like terms 8y - y =

Mathematics
1 answer:
Blizzard [7]3 years ago
4 0

Answer:

7y

Step-by-step explanation:

y = 1y

8y - 1y = 7y

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The midpoint is 1. Between A and B, there are a total of 14 marks on the number line. If you start at -6 and  move up 7 marks, you will land on 1. The number 1 is in the middle of -6 and 8.
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3 years ago
Anyone help please I need it
andreev551 [17]

Answer:

-10+i\sqrt{2}

Step-by-step explanation:

One is given the following expression:

\sqrt{4}-\sqrt{-98}-\sqrt{144}+\sqrt{-128}

In order to simplify and solve this problem, one must keep the following points in mind: the square root function (\sqrt{}) is a way of requesting one to find what number times itself equals the number underneath the radical sign. One must also remember the function of taking the square root of a negative number. Remember the following property: (\sqrt{-1}=i). Simplify the given equation. Factor each of the terms and rewrite the equation. Use the square root property to simplify the radicals and perform operations between them.

\sqrt{4}-\sqrt{-98}-\sqrt{144}+\sqrt{-128}

\sqrt{2*2}-\sqrt{-1*2*7*7}-\sqrt{12*12}+\sqrt{-1*2*8*8}

Take factors from out of under the radical:

\sqrt{2*2}-\sqrt{-1*2*7*7}-\sqrt{12*12}+\sqrt{-1*2*8*8}

2-7i\sqrt{2}-12+8i\sqrt{2}

Simplify,

-10+i\sqrt{2}

8 0
3 years ago
7 students have 8 books each. Which helps you find the total number of books?
bija089 [108]

Answer:

7 × 8

Step-by-step explanation:

7 number of students × 8 books each student has 7 × 8 = 56

5 0
2 years ago
Gia opened two savings accounts at two different banks. One account earns an annual 3.4% simple interest, and the other earns ha
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Answer:

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2nd Bank Account: 3.4*2=1.7  $500*0.017*3=$25.50

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Can 12 be in more than one fact family.explain
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Yes because it can be 24 times .5 6 times 2 and 12 times 1
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