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Katarina [22]
2 years ago
13

ILL GIVE YOU BRAINLIEST (SMART MATH PERSON!)

Mathematics
1 answer:
MariettaO [177]2 years ago
4 0

Answer:

A -  (2a+0)/2 ; (2b+0)/2  = ( a , b )

B -  (-2a+0)/2 ; (2b+0)/2  = ( - a, b )

C - (-2a+0)/2 ; ( -2b+0)/2  = ( - a, - b )

D - (2 a+0)/2 ; (-2b+0)/2  = ( a , - b )

Step-by-step explanation:

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12.6 + 4m = 9.6 + 8m
Sergeu [11.5K]

Answer:

3 = 4m or  0.75 = m

Step-by-step explanation:

12.6 + 4m = 9.6 + 8m

Subtract 4m from both sides of the equation

12.6 = 9.6 + 4m

Subtract 9.6 from both sides of the equation

3 = 4m

Divide by four on both sides of the equation

0.75 = m

I Hope That This Helps! :)

7 0
3 years ago
Read 2 more answers
VERY URGENT NEED HELP! WILL MARK BRAINLIEST. Two numbers have a sum of 162 and a difference of 64. What are the two numbers? Put
n200080 [17]

Answer:

113, 49

Step-by-step explanation:

x + y = 162\\x - y = 64\\add\\the\\equations\\\\x + x + y - y = 162 + 64\\2x =226\\\\x = 113 \\113- y = 64\\\\y = 49

6 0
2 years ago
13. A cone with a radius of 3 inches and a height of 7 inches has the same radius as a cylinder. If the cylinder's volume is two
Ghella [55]

Answer:

Step-by-step explanation:

r = 3 in

h = 7 in

volume of cone = ⅓πr²h = 21π in³

cylinder has radius r = 3 and height h.

volume of cylinder = πr²h = 9πh in³

volume of cylinder is two times the volume of cone

9πh = 2×21π

9h = 42

h = 42/9 = 4⅔ in

3 0
2 years ago
Wilma can mow a lawn in 90 minutes. Bullwinkle can mow the same lawn in 60 minutes. How long does it take for both Wilma and Bul
boyakko [2]

Answer:

90+60 =150 minutes/2 = 75 minutes pls mark brainliest



4 0
3 years ago
Jan is saving for a skateboard. She save $30 already which is 20% of the total price. How much does skateboard cost
Stolb23 [73]
The skateboard cost $150
3 0
3 years ago
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