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timurjin [86]
3 years ago
9

PLEASE HELP ME!!!!!!

Mathematics
1 answer:
larisa86 [58]3 years ago
3 0
The rock hits the gorund at 45s. is the answer
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Is 24 the correct LCD to use for subtracting 6 3/4 - 1 2/6 ? Why or why not?
zimovet [89]

Answer:

Step-by-step explanation:

A

No 24 is not the best number to use for the LCD, although it will work. 12 is much better because it is smaller.

B

Factor each number into it's primes.

24 =<u> 2*2*2</u>*3

32 = <u>2*2*2</u>*2*2

The highest common factor is 2*2*2 = 8

C

9/10 - 3/10 = 6/10 The denominator remains the same. The numerators get subtracted.

6/10 = 3/5 Two goes into both numerator and denominator of the answer. Therefore you can divide both 6 an 10 by 2

3 0
2 years ago
sally has scores of 88, 92, 80, and 96. find the score she must make on the next exam to have an average of 90
melisa1 [442]
The score range that sally would have to make a 90 average is 85-100
3 0
3 years ago
3a+7+2(3+a) simpilify
Vladimir [108]

Answer: The answer is 5a+13

Step-by-step explanation:

6 0
3 years ago
PLEASE HELP ASAP! WILL GIVE BRAINLIEST
goldenfox [79]

This should be right.

Part A:

-mk - 110 > 75

-mk > 185

m < 185/-k  (Fraction)

m < - 185/k (Fraction)

Part B:

2c - 8f + 24

-8f = 24 - 2c

f = 24/-8  -2c/-8

f = 3 + 1/4 c

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3 years ago
Put the boxes in the correct place given equation is first to let you know
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When converted to a household measurement, 9 kilograms is approximately equal to a
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