4 years ago

Please help me chose the correct box’s

Mathematics

2 answers:

klasskru [66]4 years ago

8 0

The top left box & the one below it.

storchak [24]4 years ago

4 0

The second box to the left side

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7 times a number is decreased by 8, the answer is the same as 3 times the number

lesya [120]

2 is the answer you're looking for.

2*7=14

14-8=6

2*3=6

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3 years ago

Radius of 8 find the area?

sergejj [24]

C= πr²
C= 3.14×8²
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C=200.96

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3 years ago

A rivers current flows at a rate of 2.4 miles per hour. how many feet per second is this

icang [17]

Answer:

Step-by-step explanation:

0.6 per second

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4 years ago

Stephen factored x2−10x 21 and found the answer to be (x 7)(x 3). Is he correct? Question 4 options: yes no.

STALIN [3.7K]

The true statement is that Stephen's factored expression is incorrect.

Given

The expression is given as:

$\rm x^2-10x+21$

<h3>What is factorization?</h3>

Factorization involves splitting a function into factors.

Start by expanding the equation

$\rm x^2-10x+21=0\\\\x^2-7x-3x+21=0$

Factorize the equation

$\rm x^2-7x-3x+21=0\\\\x(x-7)-3(x-7)=0$

Factor out x - 7

$\rm x(x-7)-3(x-7)=0\\\\(x-7)(x-3)=0$

Hence, the true statement is that Stephen's factored expression is incorrect.

Read more about factored expressions at:

brainly.com/question/11579257

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2 years ago

For which equations is x = 9 a possible solution? Check all that apply

Studentka2010 [4]

Answer:

|x| =9 yes

-|x|=9 no

-|-x|=9 no

-|-x|=-9 yes

|x|=-9 no

|-x|=9 yes

|-x|=-9 no

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3 years ago

Read 2 more answers