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salantis [7]
3 years ago
9

4 + m = 12 whats the value of m

Mathematics
1 answer:
notsponge [240]3 years ago
6 0

4+m=12

m=12-4

m = 8

8 is the value of m

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Are the following triangles similar? Justify your answer.
FinnZ [79.3K]
Yes they are similar because one they're both 90 degree angles, and two if you divide 12÷8 it'll equal 1.5
Same thing with the other side. If you divide 36÷24 it'll equal 1.5
and this shows proof of similarity since its like half the sides, but they both have the same angles.
(Sides doesn't matter, its the angles)
8 0
3 years ago
Daniel wants to do 312 practice problems to prepare for an exam. If he wants to do approximately the same number of problems eac
koban [17]

Answer: 8/9 questions

Step-by-step explanation: 312/36= 8.6...

The answer depends on if you want to round up or down.

7 0
3 years ago
Find the 15th term of this arithmetic sequence for 20,26,32,38,44
olga2289 [7]

Answer:

104

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There are two ways to do it, though we need to know how it is affected.

20+6=26

26+6=32

32+6=38

38+6=44

Thus, you are adding 6 for each term.

1. You do it manually...(yes.)

I'll number it one by one

1.20

2.26

3.32

4.38

5.44

6.50

7.56

8.62

9.68

10.74

11.80

12.86

13.92

14.98

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The 15th term is 104.

2. This method is easier. As shown above, there is a pattern. We can apply it using this formula:
20+6(n-1)

You can get this formula from the facts that:
-you start off with an additional added 8

-you add 6 every time

-if we do it 6n then it would be incorrect, with an extra 6 for each

-the formula is correct; you can test it for terms 2,3,4,5 like this:

20+6=26

20+2x6=32

20+3x6=38

20+4x6=44

To find the 15th term, you can:

20+14x6=20+84=104.

5 0
2 years ago
Solve 2x - 3y - 11 3x + 3y - 9 by elimination. Express your answer as an ordered pair.​
MaRussiya [10]

Answer:

x= 4, y = -1

Step-by-step explanation:

2x-3y=11

3x+3y=9

do addition and you should get

5x=20

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plug in x into any equation

12+3y=9

3y= -3

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5 0
3 years ago
If f(x) = 3x + 2, what is f(5)?
emmasim [6.3K]

Answer:

17

Step-by-step explanation:

f(x) = 3x + 2

Let x=5

f(5) = 3*5 + 2

Multiply first

    = 15+2

Then add

    = 17

6 0
3 years ago
Read 2 more answers
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