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Trava [24]
3 years ago
15

Brainliest if correct Multiply 3/7 by 4/5

Mathematics
1 answer:
DiKsa [7]3 years ago
4 0

Answer:

Step-by-step explanation:

x1 / y1    times x2 / y2       where are two fractions

x1/y1 times x2/y2   = x1 times x2 / y1 times y2   = z1 / z2    z is a new fraction

fractions multiply like regular wholes number, which can also be represented in fractional form

Examples:

2/1   times 3/1 = 2x3 /1x1   6/1

10/2 x 18/3 = 180/6     now look at 10/2 = 5     18/3 = 6    5x6 =  30    

  5  x    6    = 30

Now apply to your fractions:

3/7 x 4/5   =   3x4 / 7x5    

12/35  

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One number is three less than two times another number. If the sum of the numbers is 15, find the numbers
evablogger [386]

9514 1404 393

Answer:

  6, 9

Step-by-step explanation:

Let x represent one of the numbers. Then the other number is 15-x (because their sum is 15). The relation between the numbers is ...

  2x -3 = 15 -x . . . . . three less than twice one number is the other number

  3x = 18 . . . . . . add 3+x

  x = 6 . . . . . . divide by 3

  15-x = 9 . . . . find the other number

The two numbers are 6 and 9.

7 0
2 years ago
The booster club recently bought new baseball equipment. They spent $18 per glove and $24 dollars per catching mask and spent a
hammer [34]

Answer:

given below

Step-by-step explanation:

let the number of gloves be y

then number of masks is y + 8

therefore a equation can be formed:

18(y) + 24(y + 8) = $612

18y+24y+192=612

42y=420

y=$10

each glove cost $10

therefore each masks cost $18

7 0
2 years ago
Which is the correct label of the parallel lines?
soldier1979 [14.2K]

the answer is a || b, or the first option

6 0
3 years ago
HELP ME PLEASE CORRECT ANSWER GETS BRAINLIEST!
stich3 [128]

Answer:

The second equation can be used

Step-by-step explanation:

Just plug in the values and the equation should look like this 8^2 + b^2 = 12^2

12 is the hypotenuse to plug that into c

and 8 is just a leg so you can either put it in a or b

4 0
3 years ago
Read 2 more answers
Please help me (picture)
kirill [66]

Answer:the answer is c

Step-by-step explanation:

5 0
2 years ago
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