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3 years ago

8

Assume that random guesses are made for 7 multiple-choice questions on a test with 2 choices for each question, so that there

are nequals7 ...

1 answer:

AnnyKZ [126]3 years ago

8 0

Answer:

14

Step-by-step explanation:

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There are (4^9)^5 ⋅ 4^0 books at the library. What is the total number of books at the library?

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3 years ago

Gasoline costs 2.99 at the new gas station. if tom puts 8.5 gallons in his car what is the cost

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True or False: You can be considered a living thing even without a DNA based genetic code,

Illusion [34]

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True

Step-by-step explanation:

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2 years ago

Read 2 more answers

4<br><img src="https://tex.z-dn.net/?f=4x%20-%203%20%3D%202x%20%2B%207%20find%20x%20" id="TexFormula1" title="4x - 3 = 2x + 7 fi

natima [27]

Answer:

x=5

Step-by-step explanation:

That is your answer .

First you do 4x-3+3=2x+7+3

then,4x=2x+10,then

subtract 2x from both side

4x-2x=2x+10-2x

simplify

2x=10

divide both sides by 2 2x/2=10/2

simplfy and you get x=5

Hope this helps :)

4 0

3 years ago

-ELIMINATION-- <br> 4x + 9y = 9 <br> x - 3y = -6

Troyanec [42]

The first on is this answer here

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3 years ago