Find the y-intercept of the line which passes through (-2,-2) and (2,-4).

Answers

Answer 1

Answer: Your Y- intercept is -3

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9x+2y=369x+8y=36What is the answer

Find the distance bdtween point A to AZ. round your answer to the nearest tenth. big ideas math

Answers

Answer:

wheres A though? Try to provide a picture or something.

Writeeach number in scientific notation.

a) 12,340,000

b) 0.00057

Answers

a) move the decimal 7 places to the left: 1.234 x 10^7

b) move the decimal 4 places to the right: 5.7 x 10^-4

Hope this helps!!

$1\underbrace{2340000}_(\leftarrow7)=1.2340000\cdot10^7=1.234\cdot10^7\n\n\n0.\underbrace{0005}_(4\to)7=5.7\cdot10^(-4)$

salma purchased a prepaid phone card for $20. long distance calls cost 24 cents a minute using this card. salma used her card only once to make a long distance call. if the remaining credit on her card is $13.52. how many minutes did her call last?

Answers

We can set up an equation to solve this problem, but first we need to write out what we know.

$20 overall
$0.24 every minute
$13.52 remaining on the card

Now that we know our information, we can set it up in an equation.

20 - 0.24x = 13.52

The 20 represents $20 overall when she first got the phone card.
We are then subtracting $20 from how must it costs a minute (which is 24 cents). The 'x' indicates the number we are trying to find (how many minutes her call lasted). Lastly, 13.52 is the result of everything, since she has $13.52 remaining on the card.

We can now solve the equation:

20 - 0.24x = 13.52
-0.24x = 13.52 - 20 /// subtract 20 from each side
-0.24x = -6.48 /// simplify
x = 27 /// divide each side by -0.24

Our solution is: x = 27.

-----

An easier way to solve this problem would be to first, subtract the total amount of money she had on the card when she first got it, and then the remaining total she ended up with.

$20 - $13.52 = $6.48

So, she spent a total of $6.48 on long distance calls, but since we are looking for how many minutes, we need to divide the total she spent and how much it costs per minute.

6.48 ÷ 24 = 27

We receive the same amount of minutes spent just like we did the last way we solved.

-----

Salma spent 27 minutes on the phone.

What is nine more than a number y, if that number is 4?
13
9
4
7

Answers

Answer:

$\huge\boxed{13}$

Step-by-step explanation:

The unknown number is y

Given condition is:

=> y + 9

Given that y = 4

=> 4 + 9

=> 13

$\rule [225]{225}{2}$

Hope this helped!

~AnonymousHelper1807

EvaluateThe senior class is planning a trip that will cost $36 per student. If $3492 has been collected from the seniors for the trip, how many have paid for the trip?

Answers

$3492/$36=
97 senior students who have paid for the trip

I don't know how i would even go about this question without more information

Answers

Because the trapezoid is isosceles, the desired angle is equal to 180-31=149.

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