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sdas [7]
3 years ago
11

30 POINTS!!! WILL MARK BRAINLIEST! : )

Mathematics
2 answers:
ValentinkaMS [17]3 years ago
5 0

Answer:

1. C) Inverse Property of Multiplication

2. None of these. The answer is Associative property of Addition

3. C) Inverse Property of Multiplication

4. None of these. The answer is Associative property of Multiplication

Step-by-step explanation:

1.

Given a number a , the inverse property of multiplication states that

a * 1/a = 1  

and 1/a is called the multiplicative inverse of a.

So 8 * 1/8 = 1 features the inverse property of multiplication where a = 8.

2.

Given three numbers a,b,c , the associative property of addition states that a + (b + c) = (a + b) + c

In this case, a = -5, b = 8 and c = 10

3.

-4 x -1/4 = 1 features the inverse property of multiplication where a = -4.

4.

Given three numbers a,b,c , the associative property of multiplication states that  (a * b) * c = a * (b * c)

In this case, a = a, b = b and c = 3

TiliK225 [7]3 years ago
3 0
1. <span>C) Inverse Property of Multiplication
2. </span><span>B) Inverse Property of Addition
3. </span><span>C) Inverse Property of Multiplication
</span>4. Your answer is not listed (The answer is Associative Property of Multiplication)
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The answer is 72 beats per minute because 360/5= 72
6 0
3 years ago
Two angles that add up to 90° are called SUPPLEMENTARY angles. TRUE OR FALSE
svet-max [94.6K]

Answer:

This is FALSE. Two supplementary angles add up to 180 degrees.

Step-by-step explanation:

Hope this helped! :-)

3 0
3 years ago
Louisa needs 3 liters of lemonade and punch for a picnic.She has 1,800 milliliter of lemonade.How much punch does she need?Expla
Feliz [49]

Answer:

251451

Step-by-step explanation:

7 0
3 years ago
Their sum is −7 and their difference is 14 what are my numbers
Mashcka [7]

Answer:

Answer: 3 1/2 and -10 1/2 are the two numbers.

Step-by-step explanation:

Let x and y be the two unknown numbers.

x+y=-7 [Given]

x-y=14 [Given]

x-y=14 [Given]

x=y+14 [Add y to both sides]

x+y=-7 [Given]

(y+14)+y=-7 [Subtitution]

2y+14=-7 [Combine like terms]

2y=-21 [Subtract 14 from both sides]

y=-21/2 [Divide both sides by 2]

y=-10 1/2 [Division]

x-y=14 [Given]

x=y+14 [Add y to both sides]

x=-10 1/2 + 14 [Substitution]

x= 3 1/2 [Addition]

Check:

x+y=-7 [Given]

3 1/2 + -10 1/2?=-7 [Substition]

-7=-7 [Addition]

QED

x-y=14 [Given]

3 1/2 - -10 1/2?=14 [Substitution]

3 1/2 + 10 1/2?=14 [Change the sign of the subtrahend and add]

14=14 [Addition]

QED

Answer: 3 1/2 and -10 1/2 are the two numbers.

8 0
3 years ago
PLEASE HELP!<br> When x = 1 — 2 , 3x 2 =
Katyanochek1 [597]

Plug in the x value.

3(1-2)2=?
1-2= -1
3(-1)= -3
-3(2)= -6.

The answer is -6. 



4 0
4 years ago
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