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3 years ago

Find the sum. (7−b)+(3b+2) = Please give me your best most accurate answer

Mathematics

2 answers:

qwelly [4]3 years ago

6 0

Answer:

do brakets first * devide +- wich evercomes first then do it then do the 2nd one then add then you got your awnser hope it helps i tried to help you my plueshure =)

Step-by-step explanation:

mamaluj [8]3 years ago

6 0

Answer:

2b + 9 = ?

Step-by-step explanation:

First you do commutative property, meaning you switch the numbers with ones they correspond to.

(3b-b)+(7+2)=

Then you find the sum/difference.

2b + 9 =

Since b has no number with it, just count it as a one for now. You would then do a one step equation. This would be the equation simplified.

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Question 1 What is the solution of n² - 49 = 0? 0 +7 07 -7 O no solution

Sphinxa [80]

Hey there!

This can be written as $n^{2}-(7)^{2}$

This is in form of $\fbox{a^{2}-b^{2}}$ , it can be expanded as $\fbox{(a-b)(a+b)}$

=> (n-7)(n+7)=0
=> n -7 = 0 or n + 7 = 0
=> n = 7 or n = -7

So option 7 , -7 are correct.

Hope this is clear :)
Have a good day:)

7 0

2 years ago

Read 2 more answers

Write the improper fraction as a mixed number in simplest form. 11/2

pantera1 [17]

Answer:

5 and 1/2

Step-by-step explanation: 2 goes into 11 5 times without passing it. That one that is left over would be the numerator and 2 as the demonator.

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3 years ago

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Eva8 [605]

Answer:

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Step-by-step explanation:

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3 years ago

What is the integer of-2

Gnom [1K]

Answer:

-2

Step-by-step explanation:

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3 years ago

The slant height is used to find the volume of a square pyramid. true or false

alexandr1967 [171]

The answer is false.

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