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sleet_krkn [62]

3 years ago

13

Which graph matches the exponential function f(x) = (3)x?

1 answer:

shutvik [7]3 years ago

5 0

It is C if you plug in any x value into the equation

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A study of six hundred adults found that the number of hours they spend on social networking sites each week is normally distrib

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A data set has a mean of x = 71 and a standard deviation of 11.6. Find the z-score for each of the following.

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Step-by-step explanation:

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3 years ago

Ms Sherman is preparing 5 and 5/8 cups of rice for his family reunion. She plans to use 1/4 of a cup for each serving. How many

Temka [501]

5 5/8 as an improper fraction

(8*5 +5) /8 = 45/8

45/8 divided by 1/4 =

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45/8 * 4/1 = 45/2

22 1/2

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3 years ago

The scale on a map says that 6 cm represents 15 km. What distance on the map in centimeters represents 20 kilometers?

ale4655 [162]

Answer:

8 centimeters.

Step-by-step explanation:

$6cm\ on\ map\ -> 15km\\$

Divide 3 both sides:

$2cm\ on\ map\ -> 5km$

Multiply 4 on both sides:

$8cm\ on\ map\ -> 20km$

8cm on the map represents 20km.

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4 years ago

Duffy completed a 50-meter dash in 36 seconds. That was 90 percent of the time it took Paul to complete it. What was Paul's time

Law Incorporation [45]

Answer: C

Step-by-step explanation: Cross multiply.

36/90 = x/100

3600/90 = 40

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3 years ago