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3 years ago

7

A recipe calls for 4 cups of sugar to 5 cups of flour. How many cup(s) of

2 answers:

alexira [117]3 years ago

8 0

The answer to that would be 4/9 cups of sugar

Lubov Fominskaja [6]3 years ago

4 0

Answer:

4/9

Step-by-step explanation:

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Total health care costs in the United States in 2003 were $2,000,000,000,000. Express this number in scientific notation.

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3 years ago

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7Ba-3b%7D%7Ba%2B2b%7D%20%3D%20%5Cfrac%7B4%7D%7B3%7D" id="TexFormula1" title="\frac{a-3

choli [55]

Answer:

$a:b = -17:1$

Step-by-step explanation:

Given

$\frac{a-3b}{a+2b} = \frac{4}{3}$

Required

Find a:b

$\frac{a-3b}{a+2b} = \frac{4}{3}$

Cross Multiply

$3(a-3b) = 4(a+2b)$

Open brackets

$3a - 9b = 4a + 8b$

Collect Like Terms

$3a - 4a = 8b+9b$

$-a = 17b$

Divide through by -b

$\frac{-a}{-b} = \frac{17b}{-b}$

$\frac{a}{b} = \frac{17}{-1}$

$\frac{a}{b} = \frac{-17}{1}$

Represent as a ratio

$a:b = -17:1$

5 0

3 years ago

Find the slope and y-intercept of the line represented by the table.

iren [92.7K]

slope = 3

y-intercept = 1

explanation

slope, m = (y2-y1)/(x2-x1)

= (19-10)/(6-3)

= 9/3

= 3

equation of a line is y = mx + c

at point (3,10)

=> 10 = 3*3 + c

=> c = 10-9

=> c = 1

finding y-intercept when x = 0

y = mx + c

by putting the values we have

y = 3*0 + 1

y = 1

I have edited my answer

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3 years ago

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