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Musya8 [376]
2 years ago
7

What is 2M? Is anyone good at Matrices?

Mathematics
1 answer:
goldenfox [79]2 years ago
3 0

Answer:

It's the first one

Step-by-step explanation:

Because 2M means you are multiplying all the values of M with 2

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What is the value of x?
gayaneshka [121]

Find MA:

MA = 67.2-32 = 35.2

Now set up a ratio:

35.2/67.2 = x/81.9

Cross multiply:

67.2x = 2882.88

Divide both sides by 67.2:

X = 42.9

6 0
3 years ago
When eight times an unknown number is decreased by 208 the result is four times the unknown number.
Naddika [18.5K]
I think

This is your typical algebra question where you are looking for an unknown value given some information. The information can be set up as:
8 - x = 4*(x +3)

Distribute the 4:
8 - x = 4x + 12

Rearrange to get variables on one side:
8 - 12 = 4x + x

Simplifiy:
-4 = 5x

Isolate the variable:
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6 0
3 years ago
A beach volleyball court is 9 meters wide and 18 meters long. The rope used
HACTEHA [7]

Answer:

14.22

Step-by-step explanation: 1.58x9 meters=14.22 meters

7 0
3 years ago
Read 2 more answers
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Tom [10]

Answer:

a. 45 degrees

b. 315 degrees

c. 8π

d. π

e. 7π

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6 0
3 years ago
Help me pls i dont understand math
e-lub [12.9K]

Answer:

c = -6

Step-by-step explanation:

Let us solve your equation step-by-step, which is this: c /−3  + 5 = 7

The first step is to simplify both sides of the equation: −1 /3 c + 5 = 7

Then, subtract 5 from both sides: -1/3c + 5 - 5 = 7 - 5 ---> -1/3c = 2

Multiply both sides by -3/1 making it equal to: c = -6.

4 0
3 years ago
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