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kondaur [170]
2 years ago
14

F(x)=2-x and g(x)=-2x

Mathematics
1 answer:
alukav5142 [94]2 years ago
6 0

Answer:

Find f(g(x)):

f (-2x) = 2

Find g(f(x)):

g (2) = -4

Step-by-step explanation:

Set up the composite function and evaluate.

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It takes William 45 minutes to weed the garden. It takes his younger sister May 75 minutes to do the same job. If they work toge
marshall27 [118]

Answer:

B. 28 minutes

Step-by-step explanation:

According to the given statement,

William weeds the whole garden in 45 minutes, then in one minute he will weed 1/45 of the garden

and

similarly, 1/75 of the garden in one minute.

When they both will work together, they will weed (1/45+1/75) of the garden in one minute

Solving the equation:

= \frac{1}{45}+ \frac{1}{75}\\= \frac{75+45}{3375}\\ =\frac{120}{3375}\\ = 0.036

Garden weeded in one minute by both = 0.036

So, number of minutes to weed whole garden = 1/0.036

= 27.77 minutes

Rounding off will give us: 28 minutes

So,

Option B is the correct answer ..

4 0
3 years ago
Which answer shows 2.13786 times 10 Superscript 4 written in standard form?
ivolga24 [154]

Answer:

Answer:

21378.6

Step-by-step explanation:

You move the decimal point four places towards the right.

3 0
2 years ago
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The figure is mad up of two shapes? A semicircle and a rectangle
musickatia [10]

Answer:

  Your answer choice is correct.

Step-by-step explanation:

The length of the semicircle is ...

  s = π·r = π(4 in)

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The sum of these lengths make up the perimeter of the figure:

  P = 4π in + 26 in

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6 0
3 years ago
1. Two angle measures of a triangle are given. What is the third angle measure? A. 57 68 B. 90 40 C. 29", 71
seropon [69]
A: 55
b: 50
c: 100
the sum of all the angles of a triangle must equal 180
3 0
3 years ago
The interquartile range of a data set is 10 units. What does this represent?
Zepler [3.9K]
The interquartile range is from Q1 to Q3 and to get this you have to subtract Q2 by Q3. The 10 units represent that only 10 units are fit in the given range.
7 0
2 years ago
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