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olga2289 [7]
3 years ago
14

What are the solutions of (X+2)(2x^2-1)

Mathematics
1 answer:
BartSMP [9]3 years ago
3 0

Answer:

2x^3 + 4x^2 -x -2

Step-by-step explanation:

(X+2)(2x^2-1) =

2x^3 -x + 4x^2 -2 =

2x^3 + 4x^2 -x -2

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What are the sine and cosine of 4pi/3?
Rzqust [24]

Answer:

-0.479

Step-by-step explanation:

sin(cos(4 \frac{\pi}{3} ) =  - sin( \frac{1}{2} ) =  - 0.479

6 0
3 years ago
<img src="https://tex.z-dn.net/?f=3%281-3x%29%3D-7%2Bx" id="TexFormula1" title="3(1-3x)=-7+x" alt="3(1-3x)=-7+x" align="absmiddl
MaRussiya [10]
<h3 /><h3>3(1 - 3x) =  - 7 + x \\ 3 - 9x =  - 7    + x \\ 3 + 7 = x + 9x \\ 10 = 10x \\ x =  \frac{10}{10}  \\ x = 1</h3>

<em>-</em><em> </em><em>BRAINLIEST</em><em> answerer</em><em> ❤️</em><em>✌ </em>

8 0
3 years ago
Bruce's taxable income is $30,176. He is filing as single, and he has already paid $4526 in federal taxes. What will he receive
ycow [4]
He will receive $30,641.85 = $30,176 + $465.85 (tax excess payment)

Since his filing status is single, he'll be taxed based on the single tax rate schedule. <span>10% for <span>$1 to $9,325. </span></span><span>15% for <span>$9,326 to $37,950.

   9,325 x 10% = 932.50
   30,176 - 9325 = 20,851 x 15% = 3,127.65

His total tax is 3,127.65 + 932.50 = 4,060.15; Since he paid 4,526 in federal taxes, 4,526 - 4,060.15 = 465.85 will be reimbursed.

Add his taxable income and the reimbursement to get the total amount he will receive for that year.

   $30,176 + $465.85 = $30,641.85</span></span>
8 0
4 years ago
Read 2 more answers
The cargo box of an 18-wheeler truck has an inside length of 39.6 feet,width of 7.6 feet,and a height of 8.8 feet.What is the ca
Tom [10]

Answer:

2,648.448 cubic feet

Step-by-step explanation:

The cargo box of a truck is a rectangular prism. The volume of a rectangular prism is l*w*h.

If the length is 39.6 ft, the width is 7.6 ft and the height is 8.8 ft then the volume is (39.6)(7.6)(8.8) = 2,648.448 cubic feet

6 0
3 years ago
24 POINTS!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
olga2289 [7]
We want to find how many ounces of fertilzer we put for every 1 square meter

we have
(1/2oz)/(5/8m^2)
find x/1

(1/2)/(5/8)=x/1=x
remember, when dividing fractions, invert bottom one and multiply them
(1/2)/(5/8)=(1/2)(8/5)=8/10=4/5

answer is 4/5oz per square meter
5 0
3 years ago
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