MATHEMATICS MIDDLE SCHOOL

4*(564)/56*(4563343=?

Answers

Answer 1
Answer:

Answer:

Please stop spamming brainly.com with fake answers it is a website to learn

Step-by-step explanation:
Answer 2
Answer:

Answer:

numbers, numbers big thicc numbers

183837532.286

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PLEASE HELPA group of students were surveyed to find out if they like bike riding and/or roller skating as a hobby. The results of the survey are shown below:
80 students like bike riding
20 students like bike riding but do not like skating
90 students like skating
40 students do not like bike riding
Make a two-way table to represent the data and use the table to answer the following questions.
Part A: What percentage of the total students surveyed like both bike riding and skating? Show your work.
Part B: What is the probability that a student who does not like bike riding also does not like skating?

Answers

I don't know how to do the graph.

Part A: 80+20+90+40= 230 students. 90 for skating + 80 for biking= 170 170/230= 0.74 =74%

Part B: 20 for no skating+ 40 for not biking = 60. The probability is 60 out of 230 students

How to solve this math question?

Answers

To find the length of side HJ, we need to use sine, as we're looking for the length of the side that is opposite to the side where we have an angle measure.


Sin(70*) = x/13

Sin(70* = 0.94) = x/13

Multiply both sides by 13.

Sin = 12.21 = x

The side HJ is equal to 12.21.

1) Shane works at a computer store. If he earns $20.93 from a 7% commission on the sale of a printer, what is the price of the printer?2) Kayla earns a weekly salary of $290 plus a 5.5% commission on sales at a gift shop. How
much would she make in a week if she sold $5700 worth of merchandise?

3) Heather works in a clothes shop, where she earns a commission of 5% and no weekly salary. What will Heather's weekly sales have to be for her to earn $375 in one week?

4) The sales tax rate in Brad's town is 4.25%. If he buys 3 lamps for $22.49 each and a sofa for $829.99, how much sales tax does he owe?

Answers

1. he earns 20.93 which is 7% of the price of the printer so 7%=7/100 so
20.93=7/100 so here is a little trick
     so we want to know what 100% is so
      we know that 1/2 is equal to 4/8 so since they are equal, we can flip one of them and if we multiply them with each other, we will get 1/1 or 1 so 1/2 times 8/4=8/8 or 1 so

20.93/x (x=100%)
20.93/x=7/100 so
20.93/x times 100/7=1
2093/7x=1
multiply both sides by 7x
2093=7x
divide both sides by 7
299=x
the printer cost $299


2.so 290+5.5% of sales
sales=5700
5.5%=0.055
'of' can be thought of as multiply so
0.055 times 5700=313.5
290+313.5=603.5=what she made that week


3. she earns 5% and that's all she earns
5%=375
a hack is that 5 times 200=100 so
5% times 20=100% so
375 times 20=100%=$7500=amount that needs to be sell to get 375


4. so he buys 3 laps at 22.49 each and 829.99 with 4.25% or
3 times 22.49=67.47+829.99 times 4.25% or
897.46 times 4.25% or 897.46 times .0425 and get $38.1421 sales tax owed
1. 20.93 is 7% of something. Divide 20.93 by 7 and you get 2.99, which is 1% of something Multiply 2.99 by 100 to get the original value, $299

2. 5.5% of 5700 is 313.5. Add that to 290 to get $603.5

3. The $375 that she earns is 5% of what she has sold. Multiply 375 by 20 to get $7500, how much she needs to sell

4. The total cost of the 3 lamps is 22.49x3, 67.47. Add that to 829.99 to get 897.46. Multiply that by 0.0425 (4.25%) to get 38.14205, or just 38.14 in sales tax

A. Use the composition to prove whether or not the functions are inverses of each other.B. Express the domain of the compositions using interval notation.

Answers

Here we need to find fog and gof, and they must be equal to x .

Let's check out fog

fog = f(g(x))

f((4x+1)/(x))

Substituting the value of g(x) in f(x) for x, we will get

(1)/((4x+1)/(x)-4) =(1)/((4x+1-4x)/(x))=x

Domain

Here the input function is g(x), and the denominator should not be 0. So x should not be zero. Therefore, domain is

(-\infty,0)U(0, \infty)

Now let's check gof

gof = g(f(x))

Here we need to insert f(x) in g(x) for x, and on doing that , we will get

(4((1)/(x-4))+1)/((1)/(x-4)) = (4+x-4)/(1)=x

Domain

Here the input function is f(x), and denominator should not be zero.

SO domain is

(- \infty,4)U(4, \infty)

Since fog = gof =x, so the given function are inverses of each other .

Answer:

so basically you do the answer over and over till you get it right cuz thats what my momma told me to do and mommas always right

Step-by-step explanation:

(3x+11) + (10x-12)/2 = 45

Answers

Answer:

x=5

Step-by-step explanation:

3x+11=10x-12

We move all terms to the left:

3x+11-(10x-12)=0

We get rid of parentheses

3x-10x+12+11=0

We add all the numbers together, and all the variables

-7x+23=0

We move all terms containing x to the left, all other terms to the right

-7x=-23

x=-23/-7

x=3+2/7

on your birthday, you deposit $540.00 in an account that pays 6% interest, compounded annually. How much is in the account 3 years later?

Answers

so, you would do this:

6%= 0.06
0.06 times 3
0.18
Then, make that into 18 by multiplying by 100!

Lastly, add 18 and you're done! Hope this helped!
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