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just olya [345]
3 years ago
10

Find the x intercepts and the y intercepts of the line 9x-7y=-12

Mathematics
2 answers:
irakobra [83]3 years ago
7 0
X= 12 and y=12
Explanation: To get the variables alone, you multiply each by 0. That would leave you with x-y=12. So the x is 12 and the y is 12. Hope this helped!
WARRIOR [948]3 years ago
7 0
9x - 7y = -12

-7y = -9x - 12

7y = 9x + 12

y = 9/7x + 12/7

0 = 9/7x + 12/7

9/7x = 12/7

x = (12/7) / (9/7)

x= 1.333...

y intercept = 1.714285... (12/7)

x intecept = 1.333... (4/3)

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In a drama classroom, 75% of the students are chosen to perform a play. Of those choosen, 15% have singing roles. What is the pr
Nikolay [14]

Answer:

1/5 or 0.2

Step-by-step explanation:

  1. probability=No of students with singing roles/No of people in the play
  2. 15/75=1/5 or 0.2
4 0
3 years ago
Brooke is reading a 379-page book. She has already read 54 pages, and she can read 28 pages in an hour. If h represents the numb
Dafna1 [17]

Answer:

28x + 54 = 379 is what I came up with, though it would help to see the choises you have to select from if there are any.

Step-by-step explanation:

28 = the pages she reads in 1 hours.

x = how many hours it would take to finish the book.

54 = the amount of pages she's already read.

379 = the full amount of pages she needs to read to finish the book.

3 0
3 years ago
Triangle ABC is equilateral. Find the height of BD
Oksana_A [137]

Answer:

C) 4√3

Step-by-step explanation:

The given triangle is an equilateral triangle. BD is angle bisector.

Triangle BCD is a 30-60-90 degree triangle in the ration of 1:√3:2

Here we are given BC, that is highest length of the side.

So 2x = 8

x = 8/2

x = 4.

BD = √3 x

Now plug in x =4, we get

Height (BD) = 4√3

Thank you.

4 0
3 years ago
Read 2 more answers
If the length of one base of a trapezoid is 5, the length of the other base is 2x + 7, and the length of the midsegment is 6x –
enyata [817]

Answer:

x = 6

Step-by-step explanation:

The midsegment of a trapezoid is the line parallel to the parallel sides of the trapezoid, which connects the midpoints of the non-parallel sides.

The length of the midsegment of the trapezoid is half the sum of the length of the parallel sides.

i.e,

Length of the midsegment = (1/2) *(Length of base1 + Length of base2)

6x - 24 = (1/2) * (5 + 2x + 7)

12x - 48 = 2x + 12

10x = 60

x=6

∴ x = 6

8 0
3 years ago
Need help !!!wuicknkkkkkkk
amm1812

Answer:

do it

Step-by-step explanation:

can determine that 8 is more than -9 by looking which one is more further to the right, since I see 8 I assume it is 8 and that would be correct

3 0
2 years ago
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