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3 years ago

Help with finding the slope and graphing just the questions in general

Mathematics

1 answer:

irinina [24]3 years ago

4 0

Start at (0,84) as your y-intercept because thats what he starts with. Then make a negative slope decreasing by 2 each time the x value is increased by 1

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120 feet is (how many) times as long as 4 feet 6inches

Ulleksa [173]

4 feet 6 inches = 4 1/2 feet = 9/2 feet

It would be: 120*2/9 = 240/9 = 26.66 or 26 2/3 times

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4 years ago

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3 years ago

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Sonja [21]

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3 years ago

Candace ate 3 over 4 cup of cereal. The box of cereal states that one serving of cereal is equal to 2 over 3 cup. Which fraction

choli [55]

Answer: Candace ate $\dfrac9{12}$ servings.

Step-by-step explanation:

Given: Candace ate $\dfrac34$ cup of cereal.

The box of cereal states that 1 serving of cereal = $\dfrac23$ cup.

i.e. 1 cup = $\dfrac32$ servings [Multiply $\dfrac32$ both sides]

⇒ $\dfrac{3}{4}$ cup = $\dfrac34\times\dfrac32$ servings

= $\dfrac9{12}$ servings [which is the number of servings she ate]

Hence, Candace ate $\dfrac9{12}$ servings.

6 0

3 years ago

Solve the system of linear equations below. x − 3y = -3 x + 3y = 9 A. x = -12, y = 7 B. x = 3, y = 2 C. x = 6, y = 1 D. x = 6, y

Eddi Din [679]

ANSWER

B. x=3,y=2

EXPLANATION

The given equations are

$x - 3y = - 3...(1)$

and

$x + 3y = 9...(2)$

We add the two equations to eliminate y.

This implies that that:

$x + x - 3y + 3y = 9 + - 3$

Simplify:

$2x = 6$

Divide both sides by 2.

$x = 3$

We put x=3 into any of the equations to find y.

Let us substitute x=3 into equation (1) to get:

$3 - 3y = - 3$

$- 3y = - 3 - 3$

$- 3y = - 6$

Divide both sides by -3 to get;

$y = 2$

The solution is therefore x=,y=2.

3 0

3 years ago