3x+y=17 4x-y=18 how can you order a ladder?

Answers

Answer 1

Answer: 3x + y = 17
4x - y = 18

Add both the equations together.

3x + 4x + y - y = 17 + 18
7x = 35
x = 5

Plug in x = 5 into any equation, and solve for y.

3(5) + y = 17
15 + y = 17
y = 2

Your solution is (5,2).

How can you order a ladder?
Call the rung number

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Carl takes a random sample of 100 students in his school and finds that 72% of the sample prefers pizza over burgers there are 1,500 students in the school based on the sample proportion how many students in the school would be expected to prefer pizza over burgers \\\\ either 72,100,1080,1500

Answers

Out of the 100 people in the sample, 72% said they preferred pizza. That 72% should be the same for the whole school.

1500 × .72 = 1080

about 1080 students in the school prefer pizza

Answer:

it would be 1080

Lee is reading a 374 page novel. It takes her 6 days to read 132 pages. At this rate how many more days will it take her to finish the novel?

Answers

Answer:

11 days

Step-by-step explanation:

132/6 = 22

374/22 = 17

17 - 6 = 11

Explain how your knowledge of place value helps you divide a number in the thousands by whole numbers to 10. Give an example to support your explanation. Please help, I will appreciate it!!!!!!!!!!!!!!!!!!!!!!!!!!

Why doesn't anybody help me??????????? ????????????????????????????????????? ????????
Please, I have been waiting for 7 hours, the website brainly is wrong it says " just now".

Answers

Place value is the value each digit has in its position: in order from higher to lower value, there is thousands, hundreds, tens, and ones.
When you divide by 10, you are moving (only once) every digit from its present place value to the right.
For example 6430 : 10= 643, you have moved every digit to the right, making the zero disappear (or better yet, separated by a hidden and in this case useless comma).

Two friends share 1/4 gallon of lemonade equally.What fraction of the gallon of lemonade does each friend get?

Answers

1/4 divided by 2
1/4 x 1/2 = 1/8
Happy to Help!

1/8 .All you have to do is divide 1/4 by two and you get 1/8. If you want a decimal it would be 0.125

at a shop 4 white tshirts was $13 and 3 grey t shirts was $20 syafiq bought an equal number of white and grey tshirts he spent $833 altogether how many white tshirts did he buy

Answers

Let number of shirt bought be x
13(X/4)+20(X/3)=833
3.25X+(20/3)X=833
X=833/(20/3+3.25)
X=84

He about 84 white tshirts

$199 MP3 player; 15% discount

Answers

15% of $199 is:
$199* (15/100)= $29.85

$199 -$29.85= $169.15

The final answer is $169.15~

your answer is 170. what u do is take 199 and multiply it by .15% and that gave me 30$. then what u do is take 199 and subtract it by $30 and that gave me 270. I rounded it to the nearest 10nth place.

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