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Bingel [31]
3 years ago
10

Subtract and simplify (-y^2-3y-5)-(-3y^2-7y+4)

Mathematics
1 answer:
VikaD [51]3 years ago
3 0

[ Answer ]

\boxed{2y^{2} \ + \ 4y \ - \ 9 }

[ Explanation ]

(-y^{2} - 3y - 5) - (3y^{2} - 7y + 4)

[Remove Parenthesis]

-y^{2} - 3y - 5 - (-3y^{2} - 7y + 4)

-(-3y^{2} - 7y + 4): 3y^{2} + 7y - 4

-y^{2} - 3y - 5 + 3y^{2} + 7y - 4

[Simplify] -y^{2} - 3y - 5 + 3y^{2} + 7y - 4: 2y^{2} + 4y - 9

= 2y^{2} + 4y - 9

\boxed{[ \ Eclipsed \ ]}

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klio [65]

Answer:

<h2><u>V≈56.55 mm^3</u></h2>

Step-by-step explanation:

I used the formula

V=πr^2h

Hope this helps! (brainliest pls?)

6 0
4 years ago
Read below thanks :D
Ray Of Light [21]

Answer:

  (d)  112 m²

Step-by-step explanation:

The area of a parallelogram is given by the formla ...

  A = bh . . . . . . where b is the base length and h is the height

__

Here, the base is divided into parts, but their total length is 5m+9m = 14m. The height is given as 8m, so the area is ...

  A = (14 m)(8 m) = 112 m²

The area of the parallelogram is 112 square meters.

__

<em>Alternate solution</em>

You can also figure this as the sum of the areas of the two triangles and that of the center rectangle.

  A = 2(1/2bh) +bh

  A = 2(1/2(5 m)(8 m)) +(9 m)(8 m) = 40 m² +72 m² = 112 m²

4 0
2 years ago
(WILL GIVE BRAINLIEST) Solve for x.
Oksanka [162]

Answer:

−2(−9x+5)−4x=2(x−5)−4

Step 1: Simplify both sides of the equation.

−2(−9x+5)−4x=2(x−5)−4

(−2)(−9x)+(−2)(5)+−4x=(2)(x)+(2)(−5)+−4(Distribute)

18x+−10+−4x=2x+−10+−4

(18x+−4x)+(−10)=(2x)+(−10+−4)(Combine Like Terms)

14x+−10=2x+−14

14x−10=2x−14

Step 2: Subtract 2x from both sides.

14x−10−2x=2x−14−2x

12x−10=−14

Step 3: Add 10 to both sides.

12x−10+10=−14+10

12x=−4

Step 4: Divide both sides by 12.

12x

12

=

−4

12

x= -1/3

Step-by-step explanation:

Good luck! Hope this helps! <3

3 0
3 years ago
Read 2 more answers
NEED HELP ASAP
Lostsunrise [7]

Answer:

0.09

step by step explanation

7 0
3 years ago
What is “6 is 8% of ___?”
TEA [102]

Answer:

75

Step-by-step explanation:

The answer is 75 percent

3 0
3 years ago
Read 2 more answers
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