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4 years ago

F(−4)−3⋅g(−2) evaluate function expressions

Mathematics

1 answer:

rosijanka [135]4 years ago

6 0

f(-4) -3 * g(-2) = -4f + 6g

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At a college the scores on the chemistry final exam are approximately normally distributed, with a mean of 75 and a standard dev

AysviL [449]

Answer:

b) Chemistry

Step-by-step explanation:

To compare both scored we need to standardize the scores using the following equation:

$\frac{x-m}{s}$

Where x is the score, m is the mean and s is the standard deviation. So, 82 on chemistry is equivalent to:

$\frac{82-75}{15}=0.4667$

Because the mean of the scores on the chemistry final exam is equal to 75 and the standard deviation is 15

At the same way, 80 on Calculus is equivalent to:

$\frac{80-83}{13} =-0.2308$

Because the mean of the scores on the calculus final exam is equal to 83 and the standard deviation is 13

Now, we can compare the values. So, taking into account that -0.2308 is lower than 0.4667, we can said that the student do better in Chemistry.

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3 years ago

What property is 9+-9=0

vlabodo [156]

I think it’s zero. Yeah I’m sure it’s zero

5 0

3 years ago

NEED HELP WITH PART 3Snack Bars

Aloiza [94]

Answer:

4 snack bars left

Step-by-step explanation:

12 snack bars= 1 dozen

Already ate 8 snack bars in total

12-8= 4

4 snack bars left on the plate

3 0

3 years ago

Channel wmat played a music video 49 times a day for 3 days. What partial products would you use to find how many times the musi

SVETLANKA909090 [29]

3*49=3*(50-1)=3*50-3*1=150-3=147

answer is 147

6 0

3 years ago

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What is the radius and diameter of the following circle?

Zina [86]

Answer:

The radius of the circle is already there, 11cm, and the diameter is 2 times the radius, which is 22

Step-by-step explanation:

First, you look at the radius (which is half of the circle) which is 11, then you multiply that times two to get the diameter. :)

7 0

3 years ago

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