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kipiarov [429]
3 years ago
14

What is the slope of the line that passes through the points (-4,-1) and (-2,-5)?

Mathematics
1 answer:
Mandarinka [93]3 years ago
5 0

Step-by-step explanation:

m= (-5+1)/(-2+4)

m= -4/2

m= -2

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Y_Kistochka [10]

Answer:

15.42

Step-by-step explanation:

3 0
3 years ago
Pls help thanks ! it’s math !
likoan [24]

Answer:

a. (8 × 2) = (2 + 2 + 2 + 2 + 2 + 2 + 2 + 2) = 16

b. (8 × 2) = (2 × 8) = (8 + 8 ) = 16 {Using the commutative property}

c. It is easier to calculate (8 + 8 ) than (2 + 2 + 2 + 2 + 2 + 2 + 2 + 2).

Step-by-step explanation:

Multiplication operation is equivalent to the repeated addition operation.

For example (3 × 4) can be treated as 3 groups of 4 or 4 + 4 + 4 then use the addition facts to learn the multiplication facts.

a. Now, (8 × 2) can be treated as 8 groups of 2 or 2 + 2 + 2 + 2 + 2 + 2 + 2 + 2 then using the addition facts we get (8 × 2) = (2 + 2 + 2 + 2 + 2 + 2 + 2 + 2) = 16

b. If we apply the commutative property of multiplication then (8 × 2) = (2 × 8) and we can assume it as 2 groups of 8 or (8 + 8) i.e. 16 which makes it easier to get the multiplication process by addition operation.

c. It is clear that (8 + 8) is much more easier to calculate than (2 + 2 + 2 + 2 + 2 + 2 + 2 + 2) by addition operation. (Answer)

7 0
3 years ago
Read 2 more answers
There were 14 boys and 16 girls in a class. What was the ratio of boys to total students in the class?
kap26 [50]

Answer:

14:30 is the ratio of boys to the total students in class

7 0
3 years ago
What is the sum of (–6) + (–6) + (–6) + (–6) + (–6) + (–6)
Dima020 [189]

Answer:

-36

Step-by-step explanation:

3 0
3 years ago
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Use the Pythagorean Theorem to find the missing lengths
Annette [7]

Answer:

4) c = 10

5) b = 10

6) b = 12

7) a = 4

Step-by-step explanation:

<h3>Pythagorean Theorem = a^2 + b^2 = c^2</h3>

to solve these, just substitute a, b, and c for the values given.

4) a = 8, b = 6

a^2 + b^2 = c^2

8^2 + 6^2 = c^2

64 + 36 = c^2

100 = c^2

c = \sqrt{100}

c = 10

5) a = 24, c = 26

a^2 + b^2 = c^2

24^2 + b^2 = 26^2

576 + b^2 = 676

subtract 576 from both sides

b^2 = 676 - 576

b^2 = 100

b = 10

6) a = 5, c = 13

a^2 + b^2 = c^2

5^2 + b^2 = 13^2

25 + b^2 = 169

subtract 25 from both sides

b^2 = 169 - 25

b^2 = 144

b = 12

7) b = 11, c = \sqrt{137}

a^2 + b^2 = c^2

a^2 + 11^2 = 137

a^2 + 121 = 137

a^2 = 137 - 121

a^2 = 16

a = 4

4 0
3 years ago
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