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Arisa [49]
3 years ago
5

Can someone help me? I’m dying, math is so difficult for me, this is algebra

Mathematics
1 answer:
RoseWind [281]3 years ago
8 0

The answer is above.

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Find functions f and g such that h = g ∘ f. (note: the answer is not unique. enter your answers as a comma-separated list of fun
polet [3.4K]

It is given in the question that

h(x) = (fog)(x) = x^2 -81

And x^2 -81

can also be written as

(x^2 -40) -41

Therefore,

(fog)(x) = (x^2 -40)-41

f(g(x)) = (x^2 -40)-41

That gives,

g(x) = x^2 -40, f(x) = x-41

7 0
3 years ago
An arc has a length of 123.53 millimeters and a radius of 28 millimeters. What is the measure of the angle of the sector in degr
nadezda [96]

Answer:

Step-by-step explanation:

The formula for arc length in terms of degrees is

A.L.=\frac{\theta}{360}*2\pi r and we have everything we need to fill in to find the angle measure.

123.53=\frac{\theta}{360}*56\pi which is the same as

123.53=\frac{56\pi \theta}{360} and

360(123.53)=56\pi \theta and

\frac{360(123.53)}{56\pi}=\theta so

θ = 253°

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=7%20-%204%20%5Cfrac%7B3%7D%7B4%7D%20" id="TexFormula1" title="7 - 4 \frac{3}{4} " alt="7 - 4 \
AlladinOne [14]

7 - 4 3/4

= 28/4 - 19/4 = 9/4

Answer is 2 1/4 or 2.25.

5 0
3 years ago
William fills 1/3 of a water bottle in 5/9 of a minute. How many can be filled in a minute
Snezhnost [94]

For this case we can propose a rule of three:

\frac {1} {3}bottle ------------> \frac {5} {9}minutes

x --------------------------------------> 1 minute

Where the variable "x" represents the number of bottles that can be filled in 1 minute.

x = \frac {1 * \frac {1} {3}} {\frac {5} {9}}\\x = \frac {\frac {1} {3}} {\frac {5} {9}}\\x = \frac {9 * 1} {3 * 5}\\x = \frac {9} {15}\\x = \frac {3} {5}

Thus, William can fill \frac {3} {5} of a water bottle in 1 minute.

Answer:

William can fill \frac {3} {5} of a water bottle in 1 minute.

3 0
3 years ago
20(5b+14) and it says to multiply
SIZIF [17.4K]
The answer is 100b+280
6 0
3 years ago
Read 2 more answers
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