MATHEMATICS MIDDLE SCHOOL

Solve for x in the equation x2 + 2x + 1 = 17x=-11.15
x=-17 17
x=-2+2-6
x=-17 18

Answers

Answer 1
Answer: Answer is x=-2+2-6 your welcome

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Please help me I want to pull up my grade.

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B c and d im sure hope this helps

What’s the volume of this rectangular prism? base 1/5cm height 10/3cm length 4/5cm

Answers

Answer:

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What is 1 and 1/2 minus 7/8

Answers

Convert 1 and 1/2 to eights to make it easier to subtract. 1 4/8 add 1 to 4/8
12/8 then subtract that by 7/8 straight across the numerator. That then equals 5/8
You would find a common denominator 8. 1 and1/2 would be converted into 1 and4/8. 1 and 4/8 minus 7/8 equals 5/8

What is the mean absolute deviation for the data? 30, 30, 35, 35, 40 A. 3.2 B. 5 C. 10 D. 34

Answers

D 34 is the right answer because 30+30+35+35+40=170 and 170/5=34 and that is your mean


hope i helped you out

Abbie spent 5/8 of her money and saved the rest. If she spent $45. how much money did she have at first?

Answers

$72

Further explanation

Given:

  • Abbie spent (5)/(8) of her money and saved the rest.
  • She spent $45.

Question:

How much money did she have at first?

The Process:

Let us design a diagram that matches the above situation.

\boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot}

1 unit represents 1 part of all the money she had at first.

Abbie spent (5)/(8) of her money and saved the rest, that is \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot} \boxed{\cdot}  or 5 of 8 units.

From the diagram she spent above, 5 units exactly match the $ 45 she spent.

\boxed{ \ 5 \ units = \$ 45 \ }

\boxed{ \ 1 \ unit = \$ \ ? \ }

\boxed{ \ \$ 45 / 5 \ units = \$ 9 \ }

Therefore, \boxed{ \ 1 \ unit = \$ 9 \ }

Abbie had 8 units at first.

Let's count how much money did she have at first.

\boxed{ \ 1 \ unit = \$ 9 \ }

\boxed{ \ 8 \ unit = \$ \ ? \ }

\boxed{ \ = 8 * 9 \ }

\boxed{\boxed{ \ \$ 72 \ }}

Thus, she had $ 72 at first.

- - - - - - - - - -

Quick Steps

(5)/(8) of her money at first is $45.

The money she had at first is

\boxed{ \ \$ 45 / (5)/(8) = \ ? \ }

\boxed{ \ = \$ 45 * (8)/(5) \ }

We crossed out 45 and 5.

\boxed{ \ = \$ 9 * (8)/(1) \ }

\boxed{\boxed{ \ \$ 72 \ }}

Learn more

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Keywords: Abbie spent, 5/8 of her money, and, saved the rest, if, she spent, $45, how much, she have at first, diagram, unit, part
She had 80 dollars at first.80/80 equals to 8/8 and that equals to 64 dollars. 5/8 equals to 45

If f(x)=-x^2x+6x-1 and g(x)=3x^2-4x-1, find (f-g)(x)

Answers

(f - g)(x) = -2x^2 + 10x

x^2 + 6x - 1 - (3x^2 - 4x - 1)

Distributive -1 to each term in parentheses.

x^2 + 6x - 1 - 3x^2 + 4x + 1

Combine like terms.

-2x^2 + 10x

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