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2 years ago

Question 12 Multiple Choice Worth 1 points)

Mathematics

1 answer:

aalyn [17]2 years ago

7 0

B is your answer...
Y = -7

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Expressions and Equations

marissa [1.9K]

Answer:

a. Yes

b. Yes

c. Yes

d. No

Step-by-step explanation:

a. Because -10x+4x=6x

b. 2(12-3x)=2*12-2*3x=24-6x

c. 24 and -6x just switched places.

d. 24x-6x=18x not 24-6x

3 0

3 years ago

when the girls gymnastics team goes to a competition each girl drinks an average of 20 ounces of water per hour. there must be a

Ilya [14]

300 ounces your welcome

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2 years ago

X+9 divided by 3 equals 8

kykrilka [37]

Answer: 15

Step-by-step explanation:

I am assuming the equation is set up like this:

(x+9)/3 = 8

Multipy by 3 to both sides

x + 9 = 24

Subtract 9

x = 15

8 0

2 years ago

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HELPPPPPPPPPPPP PLEASEEEEEEEEE!!!!!!!!

RSB [31]

Answer:

Step-by-step explanation:

a line adds up to 180 so 180-133=47

3 0

2 years ago

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Please help this is hard math

Rainbow [258]

Answer:

$y=-4x+2$

Step-by-step explanation:

First we find the slope of the line AB passing through the point (2,0)
line AB is perpendicular to the line $y=\frac{1}{4}x-3$ , this equation is slope intercept for, which is $y=mx+b$ so our m or slope is $\frac{1}{4}$
Since the slope of line AB is perpendicular to $m=\frac{1}{4}$ then we use the equation $slope of line1\times slopeofline2=-1$ , so what do we multiply $\frac{1}{4}$ by to get -1? -4 right, so that's the slope of line AB with the point (2,0)
Now line CD is parallel to line AB, that means it has the same slope as AB, so slope of CD is -4
So we make the equation $y-y_1=m(x-x_1)$ so m= -4 and our point is (-1,6)
$y-(6)=-4(x-(-1)\\y-6=-4x-4\\y=-4x-4+6\\y=-4x+2$ thats the equation of line side CD

6 0

2 years ago

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