MATHEMATICS HIGH SCHOOL

If j=12, what is j/3+3?

Answers

Answer 1

Answer: $(j)/(3) +3 \n \n (12)/(3) +3 \n \n 4+3 \n \n 7$

Answer 2

Answer:

Plug in 12 for j

12/3 +3

4+3= 7

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Mike and Kate plan to save money for their wedding over a 20 month period. They will need to save $8,000 to help pay for the wedding. They set aside the same amount each month. After a year they saved $4,000. Mike and Kate know they must adjust their plan in order to meet their goal, so they came up with the following options:Option A: Stay with saving the same amount they've been saving each month but postpone the wedding 2 months. Option B: Increase the amount of money they save each month by $80 from what they've been saving. Which of the following is a true statement? a. Only option A will allow them to meet their goal. b. Only option B will allow them to meet their goal. c. Both options A and B will allow them to meet their goal. d. Neither option A nor option B will allow them to meet their goal. Please select the best answer from the choices provided A B C D

Input the equation of the given line in slope intercept form. The line through 1,0 and parallel to x-y=7

Answers

x - y = 7
y = x - 7....the slope here is 1. A parallel line will have the same slope.

y = mx + b
slope(m) = 1
(1,0)...x = 1 and y = 0
now we sub and solve for b, the y int
0 = 1(1) + b
0 = 1 + b
-1 = b

so ur parallel line is : y = x - 1

We know that a parallel line has the same slope. And the slope-intercept form in y=mx+b.

1. simplify x-y=7 to isolate y.

subtract x: -y=-x+7

then divide by -1: y=x-7

so the slope is 1 (m=1)

2. plug in m=1 and (1,0) *******alternate solution below

0=1(1)+b

0=1+b subtract 1

-1=b (b=-1)

3. y=mx+b plug in numbers. ( in bold)

y=1x-1

your answer is y=x-1

*****alternate answer solution from step 2 (using step 1)

2. use the formula y-y1=m(x-x1) (y1 and x1 is with the 1 below the letters BTW)

plug in (1,0)

y-0=1(x-1)

y=1x-1

y=x-1 is your answer.

So it comes out as the same answer. Just 2 different ways to doing it! :)

Jerry bought a bottle of perfume for a gift for his wife.The perfume cost $92 before tax.

If the total price including tax was $98.90, find the tax rate.

Answers

First, you need to find how much money the tax was (98.90-92=6.9) Then, divide the tax by the price without the tax to find the tax rate (6.9/92=.075) then multiply the answer by 100 (.075*100=7.5)The tax rate is 7.5%

The janitor at a school discovered a leak in a pipe. The janitor found that it was leaking at a rate of 11 fl oz per hour. How fast was the pipe leaking in gallons per day? Round to the nearest tenth

Answers

Here's what you need to know in order to answer this:

   1 gallon = 128 fl oz
and
   1 day = 24 hours.

Use those facts to invent fractions equal to ' 1 '.
Then use those to change the units of the "11 fl oz per hour".
You can multiply them ... since their value is ' 1 ', they won't
change the value of the "11 fl oz per hour", only the units.

(11 fl oz/hr) x (24 hr/da) x (1 gal / 128 fl oz)

   = (11 x 24 x 1 / 128) (fl-oz - hr - gal) / (hr - da - fl-oz)

   =     2.0625    gal/da

a farmhouse shelters 11 animals. Some are goats and some are ducks. Altogether there are 34 legs. How many of each animal are there?

Answers

x=goatsy=ducks4x+2y=34x+y=11-y -yx=11-y4(11-y)+2y=3444-4y+2y=3444-2y=34-44 -44-2y=10/2 /2y=5x+y=11x+5=11-5 -5x=6goats=6ducks=5

There could be lots of answers. I'm going with 5 goats and 7 ducks.

Fitness Explosion charges $26 per month for a membership. Fitquest charges $15 per month plus a $55 initiation fee for membership. After how many months will the total amount paid to the two fitness clubs be the same?A. 2 months
B. 3 months
C. 5 months
D. 6 months

Answers

So after one month, FE (fitness explosion) costs $26 and Fitquest is $70; two months it's FE = $52, FQ = $85; three months it's FE = $78, FQ = $100; four months FE = $104, FQ = $115; five months FE = $130, FQ = $130. So answer C. 5 months is correct.

Answer: 5 months

Step-by-step explanation: got the question right

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Answers

Answer:

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