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Citrus2011 [14]
1 year ago
8

Find the x and y intercepts for 3x-3y=12

Mathematics
1 answer:
Viktor [21]1 year ago
7 0

\huge \boxed{\sf C}\\\\\\\displaystyle \sf Substituting\ x=0 \\\\3(0)-3y=12\\\\-3y=12\\\\Dividing\ each\ side\ by\ -3 \\\\\frac{-3y}{-3} =\frac{12}{-3} \\\\y=-4 \\\\\\Substituting\ y=0 \\\\3x-3(0)=12\\\\3x=12\\\\Dividing\ each\ side\ by\ 3 \\\\\frac{3x}{3} =\frac{12}{3} \\\\x=4

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What is 7/8 in decimal
Pachacha [2.7K]
To get a decimal form of a fraction, divide the numerator by the denominator.
7/8 = 0.875
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2 years ago
On a certain hot​ summer's day, 477 people used the public swimming pool. The daily prices are 1.50 for children and 2.25 for ad
Akimi4 [234]

Answer:

212 children, and 265 adults

Step-by-step explanation:

To find the number of children and adults, we can set up a systems of equations.

x= number of children

y= number of adults

Equation 1: Price

1.50x+2.25y=914.25

Equation 2: Total number of people

x+y=477

Now, let's solve the equation using substitution.

Rearrange the second equation to solve for one variable.

x+y=477

x=477-y

Now plug x equals into the first equation, and solve for y.

1.50x+2.25y=914.25

1.50(477-y)+2.25y=914.25

715.5-1.50y+2.25y=914.25

715.5+0.75y=914.25

0.75y=198.75

y=265

We just solved for the number of adults. Now let's plug y equals into the second equation to find the number of children.

x+y=477

x+265=477

x=212

7 0
2 years ago
Last year at a certain high school, there were 100 boys on the honor roll and 60 girls on the honor roll. This year, the number
defon

Answer:

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this year, 120 boys and 75 girls, for a total of 195.

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4 0
3 years ago
What is the length of BC?
MrRissso [65]

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3 years ago
REVIEWNy Long Division with Whole Numbers
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Answer

a= 15

b= 2

So, 647÷3= 215 + 2/3

Step-by-step explanation:

i just got it correct

7 0
3 years ago
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