2 years ago

A weight of 270 pounds falls

Mathematics

2 answers:

beks73 [17]2 years ago

7 0

Answer:

240

Step-by-step explanation:

RSB [31]2 years ago

6 0

Answer:

240

Step-by-step explanation:

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What is the number 277,180 in expanded form

Mashcka [7]

200,000+ 70,000+ 7,000+ 100+ 80

5 0

2 years ago

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A triangle has sides of 4 and 6. What is a possible length of the third side?

svp [43]

Answer:

7.2

Step-by-step explanation:

Do 6^2 = 36

Do 4^2 = 16

Add them which equal 52

Square root of 52 is 7.2 to 1 decimal Place this is a possible length

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3 years ago

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You were given the polynomial f(x)=3x^3+13x^2+19x+k and you know that f(-2)=0find k

eduard

Answer:

k = 10

Explanation:

The initial polynomial is:

$f(x)=3x^3+13x^2+19x+k$

If f(-2) = 0, then when we replace x by -2, the result will be 0. It means that we can write the following equation:

$\begin{gathered} f(-2)=3(-2)^3+13(-2)^2+19(-2)+k=0 \\ 3(-2)^3+13(-2)^2+19(-2)+k=0 \end{gathered}$

Therefore, we can solve for k as follows:

$\begin{gathered} 3(-8)+13(4)+19(-2)+k=0 \\ -24+52-38+k=0 \\ -10+k=0 \\ -10+k+10=0+10 \\ k=10 \end{gathered}$

So, the value of k is 10

6 0

10 months ago

Solve for x. <br> 2(x-2)= 6x + 2 -2(-2x - 4)

Lena [83]

Answer:-7/4

Step-by-step explanation:

2(x-2)=6x+2-2(-2x-4)

Open brackets

2x-4=6x+2+4x+8

Collect like terms

-4-2-8=6x+4x-2x

-14=8x

Divide both sides by 8

-14/8=8x/8

-7/4=x

x=-7/4

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3 years ago

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Nataliya [291]

Answer:

Green

Step-by-step explanation:

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2 years ago