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Crank
3 years ago
6

How does the GCF help us with fractions? How does the LCM help us with fractions?

Mathematics
1 answer:
LUCKY_DIMON [66]3 years ago
5 0
When your adding, mutiplying, subtracting fractions, it would help to find the GFC or the LMC becuase you have to have a common denominator so you might have to make equivilent fractions.
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Helpppppp!!!!!!!!!!!
tensa zangetsu [6.8K]
Answer is A. first choice

Aver. 14 - 17 years old = 75/11 = 6.8
Aver. 10 - 13 years old = 47/11 = 4.27
6 0
3 years ago
HELP MEH! I WILL MARK THE BEST ANSWER BRAINLIEST!
kherson [118]

Answer:

Step-by-step explanation:

32.12 meters below sea level. The diver ascended to the surface at a rate of 8.8 m/min. So the diver ascended 3.65 meters a minute.

a) Use d=rt. D=distance, t= minutes, r=rate

d=8.8t

b) The distance will never be a negative number because you can't have a negative distance to something.

c) 3.65 minutes for the diver to reach the surface.

5 0
4 years ago
An actor invested some money at 9% simple interest, and $42,000 more than three times the amount at 12%. The to
S_A_V [24]
<span>An actor invested some money at 9% simple interest, and $42,000 more than three times the amount at 12% per annum. </span><span>What we are after is amounts of interest invested at 9% and at 12%. Let's call them x and y respectively.

x=42000 at 9% = </span>$3,780.00 = $45,780.00
y=3x42000 at 12% = $15,120.00 = $141,120.00
x+y=$186,900.00
3 0
4 years ago
A tree is 4 1/2 feet tall, it is expected to grow by 1 3/4 feet per year at this rate how long will it take for the tree to have
Levart [38]

Answer:

Approximately

n = 21 years

Step-by-step explanation:

Original height of the tree = 4 1/2 feet

Final height of the tree = 40 feet

Common difference = 1 3/4 feet per year

The data shows the question is an arithmetic progression

Tn = a + (n-1) d

Tn = 40

a = 4 1/2

d = 1 3/4

n = ?

Tn = a + (n-1) d

40 = 4 1/2 + ( n - 1) 1 3/4

40 = 9/2 + (n - 1) 7/4

40 = 9/2 + 7/4n - 7/4

40 = 18-7/4 + 7/4n

40 = 11/4 + 7/4n

40 - 11/4 = 7/4n

160-11/4 = 7/4n

149/4 = 7/4n

Divide both sides by 7/4

n = 149/4 ÷ 7/4

= 149/4× 4/7

= 149/7

n = 21.29 years

Approximately

n = 21 years

8 0
3 years ago
After Carlos purchased some stock, the price rose $6 per share: the price then dropped $8 per share. What integer represents the
boyakko [2]

Answer:

-2

Step-by-step explanation:

6+(-8)=-2

6 0
3 years ago
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