3 years ago

Can someone help me figure this out?

Mathematics

1 answer:

vodomira [7]3 years ago

3 0

Answer:

angle ABC is 160°.........

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15 is 10 percent of what number

aksik [14]

Your answer is 1.5 if you multiply 15 by 10% you get 1.5 and if you ivide 1.5 by 10% you get 15 so you can find your answer and check it
hope this helps have a nice day.

4 0

3 years ago

If f(x)=2x^2+(1000/x), find the average rate of change of f(x) from x=a to x=a+h.

galina1969 [7]

Answer:

$\frac{\frac{1000}{x+h}-\frac{1000}{x}}{h}$ is your average rate of change,

Step-by-step explanation:

average rate of change is

$\frac{f(a+h)-f(a)}{a+h-a}$ , by slope formula

simplify this to get $\frac{f(a+h)-f(a)}{h}$ , which is the definition of the derivative as h goes to 0

$\lim_{h \to 0} \frac{f(a+h)-f(a)}{h}$

since you defined x=a, we can substitute a for x and vice versa to find our derivative.

$\lim_{h \to 0} \frac{(2x^2+\frac{1000}{x+h})-(2x^2+\frac{1000}{x})}{h}$

simplifying

$\lim_{h \to 0} \frac{\frac{1000}{x+h}-\frac{1000}{x}}{h}$ (your average rate of change)

6 0

3 years ago

Find the slope of each line <br> 5y = -2x + 15

Kipish [7]

The slope of the line is -2/5x

3 0

3 years ago

If your car gets 24 miles per gallon, how much does it cost to drive 440 miles when gasoline costs $2.80 per gallon?

mojhsa [17]

This not might be correct (Cause in a middle schooler) but I think is....
440 divides by 24 = 18.3333333
We round it to the neared whole number which is 18.
18 x 2.80 = 50.4
So it is 50.4 altogether...

7 0

4 years ago

(Disjoint vs. overlapping events) If you are picking a number between 1-20 what is the probability that you will pick a number g

8090 [49]

9/20

the numbers that would satisfy this are 15,16,17,18,19,20, 1,2,3

so there are 9/20

7 0

4 years ago

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