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Masteriza [31]
3 years ago
7

I need help with number 12&13

Mathematics
1 answer:
IceJOKER [234]3 years ago
6 0
Here's what I come up with hope it helps

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Which ratio forms a proportion with 14/42?<br> 1/4<br> 7/21<br> 12/40<br> 28/80
bogdanovich [222]
Second one



<span>7/21

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3 0
3 years ago
Read 2 more answers
6.25t plus 8 = 12.5t plus 13
givi [52]

6.25t + 8 = 12.5t + 13

Subtract 8 from both sides

6.25t = 12.5t +5

Subtract 12.5t from both sides

-6.25t = 5

Divide -6.25 by both sides

t = 0.8

3 0
3 years ago
a certain state the license plate has two digits, then two letters, and then two digits. How many different license plates are p
xxTIMURxx [149]

Step-by-step explanation:

Choosing 4 digits out of 10 = 10C4 = 210.

Arranging the 4 digits in 4 places = 4!

Total number of ways to arrange digits

= 210 * 4! = 5040.

Choosing 2 letters out of 26 = 26C2 = 325

Arranging the 2 letters in 2 places = 2!

Total number of ways to arrange letters

= 325 * 2! = 650.

Total number of possible license plates

= 5040 * 650 = 3,276,000.

7 0
2 years ago
Read 2 more answers
If A/B and C/D are rational expressions, then which of the following is true?
Aleonysh [2.5K]

Answer:

B.

Step-by-step explanation:

A/B × D/C = A/B × D/C because when we divide a fractional number we need to turn the second expression upside down .

6 0
3 years ago
Evaluate x3 - 3y when x = -3 and y = 4.
barxatty [35]

Answer:

- 39

Step-by-step explanation:

x³ - 3y

Put x as -3 and y as 4.

-3³ - 3(4)

Solve for power and multiply.

-27 + - 12

Add the terms.

- 39

3 0
3 years ago
Read 2 more answers
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