2 years ago

A recipe calls for 3 cups of flour for 54 cookies. How much flour is needed for 78 cookies?

Mathematics

1 answer:

Feliz [49]2 years ago

3 0

Answer:

4 cups

Step-by-step explanation:

Because, 54 cookies divided by 3 cups equals, 18 cookies per cup. 54 cookies plus 18 cookies (aka 1 cup) equals 72 cookies for 4 cups.

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If F(x) = log 5 2x, find F^-1(x). a. 5^y=2x b. 5^2y=x c. y = (5^x)/2

gregori [183]

Answer:

y = $\frac{5^{x} }{2}$

Step-by-step explanation:

y = log 5 2x

inverse ------> y=x

x = log 5 2y

$5^{x} = 2y$

y = $\frac{5^{x} }{2}$

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3 years ago

Friday’s high temperature was −1°C. The low temperature was −5°C. What was the difference between the high and low temperatures?

Digiron [165]

Answer:

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Step-by-step explanation:

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3 years ago

Find the midpoint of the segment with given endpoints k(1.7,-7.9) and l(8.5,-8.2)

zhenek [66]

I think it would be 5.2

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3 years ago

Three-fourths of the tickets had been sold, and there were 420 tickets left. How many tickets were printed?

BabaBlast [244]

Answer: 560 tickets

Step-by-step explanation:

3/4 = 420/x; now cross multiply:

3x = 4(420)

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3 years ago