2 years ago

Write a story problem for the additional sentence 7+2=9.solve the story problem.

1 answer:

6 0

Missy was baking a cake. She read the recipe, and it said she needed seven cups of flour. When she went back, she realized she needed to add two more. How many cups does she have now?

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What is the solution to the following system of equations? x − 4y = 6 2x + 2y = 12 (0, 10) (10, 0) (6, 0) (0, 6)

frozen [14]

Answer:

(6,0)

Step-by-step explanation:

The given system has equations:

$x-4y=6$

$2x+2y=12$

Multiply the top equation by 2 to get:

$2x-8y=12$

$2x+2y=12$

Subtract the top equation form the bottom equation to get:

$2x-2x+2y--8y=12-12$

$\implies 10y=0$

$\implies y=0$

Put y=0 into $x-4y=6$

$x-4*0=6$

$\implies x=6$

Therefore the solution is (6,0)

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3 years ago

Xy = –16. What is the constant of variation for this relationship?

olganol [36]

Direct variation is y=kx and inverse variation is y=k/x, in this case:

y=-16/x

So this is an inverse variation with a constant of -16

6 0

3 years ago

Please help on this math question

Katarina [22]

First and last ones
The " = [number] " at the end of an equation for a circle is the radius squared
So if the diameter is 12, then the radius is 6, and 36 is 6 squared
Also as long as the x term doesn't have an integer affecting it (like -3 or +5) then it'll stay on the y axis.

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2 years ago

Kevin buys a bag of cookies that contains 8 chocolate chip cookies, 9 peanut butter cookies, 5 sugar cookies and 4 oatmeal cooki

IrinaVladis [17]

Answer:

4/13 or 30.769%

Step-by-step explanation:

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2 years ago

A wall is 12 feet high on the building is 36 centimeters high on the model. Find the height on the model of a door that is 9 fee

geniusboy [140]

The model hight for the door will be 27 centimeters

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2 years ago