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Katarina [22]
3 years ago
15

What is the answer to -2+(-20)

Mathematics
1 answer:
Nostrana [21]3 years ago
5 0
-2+(-20)
-2 - 20
-22
 +-= -
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Whatnis the greatest common factor of 7 and 19
viktelen [127]
7 and 19 are both prime numbers.
 
Factors of 7
1 * 7 = 7
7 * 1 = 7
factors are 1 and 7

Factors of 19
1 * 19 = 19
19 * 1 = 19
factors are 1 and 19

GCF = greater common factor
So GCF is 1 because there is no greater common number in the 7 and 19
7 0
3 years ago
5 t-shirts cost £38.75. <br> How much do 7 t-shirts cost?
antiseptic1488 [7]

Answer:

$54.25

Step-by-step explanation:

decide 38.75 by 5 to get what each cost then multiply by 7 to get your answer

4 0
3 years ago
Read 2 more answers
Help me please, it would be great
Nastasia [14]
AB²=5²+5²+5²=25+25+25=75
AB=5√3≈8.7
Answer:AB≈8.7
4 0
3 years ago
Please help me‼️‼️‼️
rewona [7]

Answer:

y= 4x-7

Step-by-step explanation:

First, we need to find the slope. We can do this by using the formula:

1) y₂-y₁/x₂-x₁

2) 9-5/5-3

3) 4/2

4) The slope is 2

Next, we have to first plug the slope (2) and one of the coordinate pairs (I chose (3,5)) into point-slope format.

5) y-y₁=m(x-x₁)

6) y-5 =4(x-3)

7) Now we just simplify this equation to make it slope intercept form (y=mx+b)

8) y-5= 4x-12

9) y=4x-7

And there you have it :)

6 0
2 years ago
F (x) = |x + 3| -1 . Find the average rate of change from x = -6 to x = 8
Elenna [48]
Average rate of change is (f(8) - f(-6))/(8 - (-6)) = ((<span>|8 + 3| -1) - (</span><span>|-6 + 3| -1))/(8 + 6) = ((</span><span>|11| -1) - (</span><span>|-3| -1))/14 = ((11 - 1) - (3 - 1))/14 = (10 - 2)/14 = 8/14 = 4/7</span>
3 0
2 years ago
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