The McCalls insured their house for 90% of it's value. If the house is valued at $84,000, how much is it insured for?

Answers

Answer 1

Answer: 84000 * 0.90 (equivalent to 90%) = $75600

Answer 2

Answer: The question is just asking for 90% of 84,000. To do this, you can change 90% into decimal by moving the decimal 2 place over which gives .90

After that, you multiply .90 by 84,000 which is $75,600

Another way to do this is to convert 90% to a fraction. To do that, you would put 90/100 which can simplify to 9/10. Then you would multiply that by 84,000. 1 of the 0's can cancel, so you are left with 9x8,400 which gives the same answer

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Part A: Solve –mk – 90 > 85 for m. Show your work. Part B: Solve 3c – 5f = 55 for f. Show your work.

What is the exact circumference of the circle? A. 16
cm

B. 8
cm

C. 4
cm

D. 2
cm

I NEED THE ANSWER QUICKLY PLEASE!!!!!!!

Answers

Hey there, we are going to use two formula's, the first formula is C=2πr, and the second formula is D=2r. Now, we solve, C=πd=π*8=25.13274, Therefore, I guess the answer is B. 8 cm

I'm just going to say that 8 cm is right (credit to the person who answered first), I toke the test and got it right! ☺

25% of what number is 15

Answers

since 25% is 1/4 of 100% then you do 4 times 15 and that equals 60.

15 is 25% of 60
hopes this helps :) :D :)

What is 18×8=144 in distributive property

Answers

144 divided by 18 = 8 or 144 divided by 8=18 hope this helps

144 divided by 18 this is a second form 144 divided by 8

If f(x) = 6x-1, find f1(x)

Answers

Answer:

Inverse function are symmetric with respect to line y=x.

It can be written as:

$f(f^(-1))(x) = x$ and $f^(-1)(f)(x)$

Let's rewrite the given function notation by using y term.

f(x) = 6x-1

i.,e y = 6x-1

Let's solve this equation for x;

Add 1 to both sides we get;

y+1 =6x

Divide both sides by 6 we get;

$x = (y+1)/(6)$

Now, switch the "x" and "y" we have;

$y= (x+1)/(6)$

In the function notation:

$f^(-1)(x) =(x+1)/(6)$

Alicia got 60 questions correct on her science test. If she received a score of 75% , how many questions were on the test?????

Answers

so since 60=75%
here's a hack. it's not real math
just find a factor of 100 like 2,4,5,10,20,25, or 50
75=3*25

so 60=3*20
3*20=3*25
divide both sides by 3
20=25%
we know that 25% is 1/4 of 100 so
multiply both sides by 4
80=100%

$x-guestions\ on\ the\ test\n\n75\%\cdotx=60\n\n0.75x=60\ \ \ \ |:0.75\n\nx=80\n\nThere\ were\ 80\ questions\ on\ the\ test.$