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Anvisha [2.4K]
3 years ago
15

Which point on the number line represents the product of 4 and -2.

Mathematics
1 answer:
Iteru [2.4K]3 years ago
8 0

Answer:

A: -8

Step-by-step explanation:

4 * -2 is -8, and A is on that point.

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A man burns 10 calories per minute mountain biking and 7.5 calories per minute in-line skating. His goal is to burn approximatel
Ipatiy [6.2K]
A.) 10x + 7.5 (0) =420
10x = 420
420 / 10 = 42

x = 42 > ( 42,0 )

10(0) + 7.5y = 420
7.5y = 420
420 / 7.25 = 56

y = 56 > ( 0,56 )

(42,0) (0,56)

B.) The x intercept means that there was 42 ,minutes spent biking. The y intercept means that there was 56 minutes spent in line skating.

C.) (21 ,28) - (14,37) - (28,18)
8 0
3 years ago
Help please will mark brainliest!!!
Daniel [21]

Answer:

45°

Step-by-step explanation:

Well, compared to 90°, it looks like it's just smaller, but not too small. It couldn't be 15° degrees, or 60°, as it was probably too much. I Don't think it's 30° either,  because it looked bigger than what a 30° angle would be.

Hope it helped!

~Flip

7 0
2 years ago
4.5+n is it rational or irrational
nirvana33 [79]

Answer:

4.5 is a rational number, as it can be represented as 9/2. Many important numbers in mathematics, however, are irrational, and cannot be written as ratios.

5 0
3 years ago
NEED HELP!!!!!!!!!!!!!
solniwko [45]

Answer:

5x - 4

Step-by-step explanation:

4x - 2 + x - 2

simplify

5x - 4

hope this helps <3

8 0
2 years ago
4(x+2)-12=3(x-2) solve for x
aalyn [17]

Answer:

x= -2

Step-by-step explanation:

6 0
3 years ago
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