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ratelena [41]
3 years ago
14

15 to 18 = What are 3 equivalent ratios for 15 to 18

Mathematics
1 answer:
Ymorist [56]3 years ago
3 0

Answer:

5 to 6 or 30  to 36

Step-by-step explanation:

15/3=5, 18/3=6, 15*2=30,18*2=36

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Find the product of 7xy and x to the 14th z
8090 [49]

Answer:

7x^15yz

Step-by-step explanation:

7(x^14x)y · z

7(x^14+1)y · z

7x^15yz

8 0
3 years ago
Please Help! Show all the steps!
likoan [24]

You can start by subtracting different equations from each other.

3x + 2y + 3z = 1

subtract

3x + 2y + z = 7

2z = -6

divide by 2

z = -3

add the following two expressions together:

3x + 2y + z = 7

3x + 2y + 3z =1

6x + 4y + 4z = 8

subtract the following two expressions:

6x + 4y + 4z = 8

5x + 5y + 4z = 3

x - y = 5

^multiply the whole equation above by 3

3x - 3y = 15

subtract the following two expressions:

3x - 3y = 15

3x + 2y = 10

-5y = 5

divide each side by -5

y=-1

take the following expression from earlier:

x - y = 5

substitute y value into above equation

x - - 1 = 5

2 negatives make a positive

x + 1 = 5

subtract 1 from each side

x = 4

Therefore x = 4, y = -1, z = -3

I checked these with all 3 equations and they worked :)

(it's quite complicated, comment if you don't understand anything) :)

7 0
3 years ago
Express the following in standard form (0.000000045)^4​
snow_tiger [21]

0.00000004 to the power of 4

Your answer would be <u>0</u>

5 0
2 years ago
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IrinaK [193]
Y=2x+6
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Maria is asked to write down a prime number between 10 and 20 she writes down 17 is she right explain your answer​
Wittaler [7]

Answer:

YES

Step-by-step explanation:

PRIME NUMBER BETWEEN 10 & 20 ARE 11,13,17,19-four

5 0
2 years ago
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