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MissTica
2 years ago
5

(-9m+9) + (8m+8) simplify

Mathematics
2 answers:
lisabon 2012 [21]2 years ago
7 0

Answer:

M+16m

Step-by-step explanation:

-9m+9 cancel eachother out because it is a negative and a postive value, so you would just put the variable. For 8m+8 it would be 16m because the sre both positive so you would add them like normal

sdas [7]2 years ago
5 0

Step-by-step explanation:

= ( - 9m + 9) + (8m + 8)

=  - 9m + 9 + 8m + 8

=  - 9m + 8m + 9 + 8

= m + 17

hence m + 17 is the answer....

hope it helped !!!

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Fantom [35]

Answer:

c

Step-by-step explanation:

2=2=4

two is equal to two which makes 4

8 0
3 years ago
A solid toy is in the form of a hemisphere surmounted by a right circular cone. The height of the cone is 4 cm and diameter of t
docker41 [41]

Answer:

See below ~

Step-by-step explanation:

<u>Things to Find</u>

  1. Volume of Toy
  2. Difference of Volumes in Cube and Toy
  3. Total Surface of Toy

<u>Volume of Toy</u>

  • Volume of Hemisphere + Volume (Cone)
  • 2/3πr³ + 1/3πr²h
  • 1/3πr² (2r + h)
  • 1/3 x 3.14 x 16 (8 + 4)
  • 1/3 x 50.24 x 12
  • 50.24 x 4
  • <u>200.96 cm³</u>

<u></u>

<u>Volume of Circumscribing Cube</u>

  • Edge length is same as diameter
  • V = (8)³
  • V = 512 cm³

<u>Difference in Volume</u>

  • 512 - 200.96
  • <u>311.04 cm³</u>

<u></u>

<u>Slant height of cone</u>

  • l² = 4² + 4²
  • l² = 32
  • l = 4√2 cm = 5.6 cm

<u />

<u>Surface Area of Toy</u>

  • CSA (hemisphere) + CSA (Cone)
  • 2πr² + πrl
  • πr (2r + l)
  • 3.14 x 4 (8 + 5.6)
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3 0
1 year ago
Please I need help and I give brainliest thank you!!
Marysya12 [62]

Answer:

i believe it is x=4

Step-by-step explanation:

10x+7=12x-1

7=12x−1−10x

8=2x

divide

x=4

6 0
3 years ago
If 10 is added to each observation and the following data set what is the relationship between the original standard deviation a
jeyben [28]

Answer:

g

Step-by-step explanation:

7 0
2 years ago
What is 29*26/54.33a^26b-893d
Lorico [155]

Answer:

The answer is 25g^R4

Step-by-step explanation:

When you solve the equation, it becomes 25g^R4, it doesn't result in a whole number.

6 0
3 years ago
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