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Mariana [72]
3 years ago
10

Simplify the polynomials: 8a·20b^2–0.8b·4b^2–20ab·2b+b·3b^2–1

Mathematics
1 answer:
posledela3 years ago
6 0
<h3>Given</h3>

  8a·20b^2–0.8b·4b^2–20ab·2b+b·3b^2–1

<h3>Find</h3>

  the simplified form

<h3>Solution</h3>

  8a·20b^2–0.8b·4b^2–20ab·2b+b·3b^2–1

  = b^3(-0.8·4 +3) +ab^2(8·20 -20·2) -1 . . . . . group like terms

  = -0.2b^3 +120ab^2 -1 . . . . . the simplified form

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Please help I will mark brainliest!
Ymorist [56]

Answer:

  A

Step-by-step explanation:

You know that the negative number with the largest magnitude is farthest to the left on the number line.

  3/4 = 9/12

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Then 3/4 > 2/3, so ...

  -3/4 < -2/3

7 0
3 years ago
Select the correct answer.
romanna [79]

Employees salary [$}: 30,000, 30,000, 35,000, 35,000, 40,000, 40,000.

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The correct answer is this: BOTH JAN AND MARCY ARE CORRECT.

Jan says the employee average salary is $35,000. This is correct as shown below:

Average employee salary = 30,000 + 30,000 + 35,000 +35,000 + 40,000 + 40,000 / 6 = 210 / 6 =  $35,000.

Marcy says the average salary of all company members is $40,000. This is also true as shown below.

Average salary of all company members = 30,000 + 30,000 +35,000 + 35,000 + 40,000 + 40,000 + 70,000 / 7 = 280 / 7 = $40,000.

5 0
3 years ago
Please help with this question!!
xxMikexx [17]

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x=\dfrac{-24+(-4)}{2}=\dfrac{-28}{2}=-14\\\\y=\dfrac{-4+6}{2}=\dfrac{2}{2}=1\\\\\text{midpoint}\ (-14,\ 1)\\\\\text{The point-slope form:}\\\\y-y_1=m(x-x_1)\\\\\text{substitute}\ m=-2,\ x_1=-14\ \text{and}\ y_1=1:\\\\y-1=-2(x-(-14))\\\\\boxed{y-1=-2(x+14)}

8 0
3 years ago
A triangular bandana has an area of 74 square inches. The height of the triangle is 9 1 4 inches. Enter and solve an equation to
Lilit [14]
Hi there!

The formula for the area of a triangle is A = 1/2(b x h). Using the information provided, all we have to do is plug in what we know and solve!

WORK:
74 = 1/2(b x 9.14)
148 = b x 9.14
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Hope this helps!! :)
6 0
3 years ago
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marin [14]

Answer:

24 i think

Step-by-step explanation:

I evaluated using he given value

4 0
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