2 years ago

Write a phrase for each expression: 10y x - 3 12n

Mathematics

2 answers:

vitfil [10]2 years ago

8 0

Answer: 10 times a number
A number minus 3
12 times a number

kati45 [8]2 years ago

6 0

10 times a number y
3 subtracted from a number x
12 times a number n

hope this helped :)

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7x +2y = 24<br> 8x+2y= 30<br> What is x and y

Liula [17]

Answer:

x = 6

y = -9

Step-by-step explanation:

we have:

7x +2y = 24 equation 1

8x+2y= 30 equation 2

using equation 2 we have:

8x = 30 -2y

x= $\frac{30-2y}{8}$ equation 3

using equation 3 in equation 1 we have:

7( $\frac{30-2y}{8}$ )+2y = 24

$\frac{210}{8} - \frac{14y}{8} +2y =24\\\\\frac{1}{4}y = -\frac{18}{8} \\\\y=-\frac{18}{8} * 4\\\\y=-9$

so we have:

x= $\frac{30-2(-9)}{8}$

x= $\frac{30+18}{8}$

x=6

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ioda

Answer:

1 mm : 6 m

Step-by-step explanation:

Take the 19 mm and divide it by 114 meters. to get the scale

19/114 = 1/6

1 mm : 6 meters

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3 years ago

Find ? (inscribed angle)

Lera25 [3.4K]

9514 1404 393

Answer:

107°

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Which graph represents a quadratic function with a vertex at (0, 0)?

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"true or false:
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