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dmitriy555 [2]
3 years ago
15

Inequalities! 20 Points!

Mathematics
2 answers:
Zanzabum3 years ago
7 0

Answer:

he needs at least 5800

5800/725

8

so he must sell at least 8 cars

There are only 45 cars on the lot, so that is the max he can sell

Choice C

8<=x<=45Step-by-step explanation:

il63 [147K]3 years ago
3 0

he needs at least 5800

5800/725

8

so he must sell at least 8 cars

There are only 45 cars on the lot, so that is the max he can sell

Choice C

8<=x<=45

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What is the value of 4(25-5)?
sweet [91]
First you subtract 25 from 5 which equals 20 then you multipliy 4 to 20 and you get 80...so 80 is your solution.
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3 years ago
If g(x)= square root of 3-5x, find the domain of g'(x).
BaLLatris [955]

Answer:

domain: x>3/5

Step-by-step explanation:

First we need to derive our function g(x) to get a new function g'(x)

To do this we will have to apply chain rule because we have an inner and outer functions.

Our G(x) = square root(3-5x)

Chain rule formula states that: d/dx(g(f(x)) = g'(f(x))f'(x)

where d/dx(g(f(x)) = g'(x)

g(x) is the outer function which is x^1/2

f(x) is our inner function which is 3-5x

therefore f'(x)= 1/2x^(-1/2) and f'(x) = -5

g'(f(x)) = -1/2(3-5x)^(-1/2)

Applying chain rule then g'(x) = 1/2 (3-5x)^(-/1/2)*(-5)

But the domain is the values of x where the function g'(x) is not defined

In this case it will be 3-5x > 0, because 3-5x is a denominator and anything divide by zero is infinity/undefined

which gives us x >3/5

5 0
3 years ago
Read 2 more answers
25^x = 1 find the value of x
andrew11 [14]

Answer:

x=0

Step-by-step explanation:

Anything to the power of 0 = 1

8 0
3 years ago
PLZ HELP ASAP!!! Will give brainlest ❗️❗️❗️❗️
ohaa [14]

Answer:

<em>I</em>(-1,3)

Step-by-step explanation:

Moving 3 units left adds -3 to x value

Moving 6 units up adds 6 to the y value

2 - 3 = -1

-3 + 6 = 3

(-1,3)

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

3 0
3 years ago
Read 2 more answers
(-7) x (-7)to the 11th power
masha68 [24]

Answer:

(-7)×(-7)=+49

You change the signs and multiple

5 0
2 years ago
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