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olya-2409 [2.1K]
3 years ago
6

Need some help with this one.

Mathematics
1 answer:
Verizon [17]3 years ago
4 0

Answer:

x² + 4x + 3

Step-by-step explanation:

to find f(g(x)), substitute x = g(x) into f(x)

f(g(x)) = f(x + 2) = (x + 2)² - 1 = x² + 4x + 4 - 1 = x² + 4x + 3


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WILL
IRISSAK [1]

Answer:

-10, -|-8|, -(-2), |-11|, 5²

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Will give brainliest
nignag [31]
8000

4000/sin(30) = 8000
7 0
3 years ago
Find the area of the un-shaded part. ABCD and EFGH are two rectangles. AB = 10 inches, BD = 8 inches EF = 6 inches FH = 4 inches
Serggg [28]

Answer:

56 inches!

Step-by-step explanation:

Rectangles ABCD and EFGH are concentric, that means that they are almost the same but their sides have a different ratio.

First, lets find the area of EFGH.

1). Area of EFGH = a * b = 4 * 6 = 24 inches

Then we will find the area of ABCD.

2). Area of ABCD = a * b = 10 * 8 = 80 inches.

Now we know the areas of the rectangles, we can find the area of the un-shaded part.

3). Area of ABCD - Area of EFGH = 80 - 24 = 56 inches

So, 56 inches will be your answer.

Hope this helps))) ^‿^

7 0
3 years ago
Use the line of best fit to estimate the French score for a student who got 65 in maths.
just olya [345]

Using a linear function, it is found that the estimated French score is of 38.1875.

A <em>linear function</em> has the following format:

y = mx + b

In which:

  • m is the slope.
  • b is the y-intercept.

Searching the problem on the internet, it is found that two points of the line of best-fit are: (10,65) and (90,26).

The slope is given by <u>change in the output divided by the change in the input</u>, hence:

m = \frac{26 - 65}{90 - 10} = -0.4875

Then:

y = -0.4875x + b

Point (10,65) means that when x = 10, y = 65, and this is used to find b.

y = -0.4875x + b

65 = -0.4875(10) + b

b = 69.875

Hence:

y = -0.4875x + 69.875

For a student who got 65 in math, x = 65, and hence:

y = -0.4875(65) + 69.875 = 38.1875

The estimated French score is of 38.1875.

For more on linear functions, you can check brainly.com/question/16302622

7 0
3 years ago
PLEASE HELP ME! NO LINKSSSSSS!!!
Andrews [41]

In 4 days your family drive 5/7 of a trip. Your rate of travel is the same throughout the trip. The total trip is 1250 miles. How many more days until you reach your destination?

Find the amount traveled in one day by dividing

(5/7)/4 = 5/28 of the trip

How many days would it take to add up to 1

1/(5/28) = 5.6 days total

since we already traveled for 4 days, we have 1.6 more days to go

7 0
3 years ago
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