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nekit [7.7K]
3 years ago
11

What are three equivalent ratios to. 19 to 38

Mathematics
1 answer:
skad [1K]3 years ago
8 0
Three equivalent ratios to 19:38 are: 38:76, 54:114, and 76:152

You can solve this by multiplying the ratio on both sides by any number, so we can do times 2, 3, and 4. Multiply 2 by 19 and by 38 on the other side so that you get 38:76. Next you can do 3 times 19 and by 38 to get 57:114. Lastly you want to do 4 times 19 and by 38 to get 76:152.
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How many different 4-digit numbers can be formed using the digits 2, 4, 5, 6, and 7 such that no digits repeat and the number is
quester [9]
If the last 2 digits of a number is divisble by 4, then the number is divisble by 4
see what combos are with ending with 2 digits divisible by 4
24
64
52
72



see their combos for the first  2 numbers
24 three other numbers to pick from so 3*2*1=6
64 three other numbers to pick from so 3*2*1=6
52 three other numbers to pick from so 3*2*1=6
72 three other numbers to pick from so 3*2*1=6

6*4=24

answer is 24 ways





7 0
3 years ago
Dounuts or snacks or chips
astraxan [27]

Answer:

snacks, the reason being that it can be anything

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Help me please !!!!!!
Tanya [424]
#2: 4 cans : $2.36 =  13 : $7.67  SCALE FACTOR: $7.67 divided by $2.36 = 3.25
                                                 Use the SF to multiply the missing information.
                                                 So 4 cans x 3.25 = 13
 
YOU CAN BUY 13 CANS FOR $7.67

#4: 2 eggs: 1 1/2 cups of eggs : 10 pancakes =   :     : 35 pancakes
                                             
SCALE FACTOR: 35 pancakes divided by 10 pancakes= 3.5
Use the SF to multiply the missing information
So: 2 eggs x 3.5 = 7

7 EGGS WILL BE NEEDED TO MAKE 10 PANCAKES

#6: 54 pounds: 1 acre = pounds: 12.5 acres

SCALE FACTOR: 12.5 divided by 1 acre= 12.5
Use the SF to find out the mussing information
So, 54 pounds x 12.5 = 675 pounds

THE FARMER CAN HARVEST 675 POUNDS WITH 12.5 ACRES OF FIELD

#8: 90 miles: 120 minutes (5 hours) = 225 miles : 300 minutes (5 hours) 

SCALE FACTOR: 225 miles divided by 90 miles = 2.5
Use the SF to figure out the missing information
So, 120 minutes multiplied by 2.5 = 300 minutes (5 hours)

IT WILL TAKE 5 HOURS TO DRIVE 225 MILES
4 0
3 years ago
Melanie saves $20 every month in her savings account. She
OLga [1]

Let x represent the amount of months she has been saving for.

20x - 60 = 280

Solve for x.

20x - 60 = 280

~Add 60 to both sides

20x - 60 + 60 = 280 + 60

~Simplify

20x = 340

~Divide 20 to both sides

20x/20 = 340/20

~Simplify

x = 17

Therefore, Melanie has saved for 17 months.

Best of Luck!

8 0
3 years ago
I can't do this one
Nikitich [7]
The answer is F.) 0= x^2 - 15x + 54
4 0
3 years ago
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