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boyakko [2]
3 years ago
13

Y = 4x − 9 y = x − 3 (3, 0) (1, −2) (2, −1) There is no solution.

Mathematics
1 answer:
barxatty [35]3 years ago
7 0
The 3rd selection is appropriate.

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Please help me !!!!!!!!!!!!!!!!
Nutka1998 [239]

Answer: x=-10, y=13

Step-by-step explanation:

-3x+2y=56\\-5x-2y=24

+2y-2y = 0, eliminating y is much easier. So -3x-5x = -8x and 56+24 = 80

-8x=80\\x=-10

Substitute x in any equations but only 1 equation (Don't substitute in both equations.)

For me, I'd substitute x in -3x+2y=50

-3(-10)+2y=56\\30+2y=56\\2y=56-30\\2y=26\\y=13

So the answer is x = -10, y = 13

5 0
3 years ago
A local high school has both male and female students.
Kitty [74]

Answer:

a. P(male) = 0.4

b. P(no sport and male) = 0.1

c. Unclear question (isn't it the same as b.?)

Step-by-step explanation:

The data below is what I've worked according to, which isn't very clear from the question so the answers are only correct if this is the correct table of data;

\left[\begin{array}{ccc}&No \ Sports&Sports\\Female&10&32\\Male&7&21\end {array}\right]

a.

P(male) = \frac{7 + 21}{70} \\\\ = \frac{28}{70} \\\\ = \frac{2}{5}

b.

Using the tree diagram in the picture;

P(no \ sport \ and \ male) = \frac{2}{5} * \frac{1}{4} \\\\ = \frac{1}{10}

8 0
2 years ago
What is the C in C + 11 = 44?
vodka [1.7K]
44-11=33
33+11=44
The answer is 33
5 0
3 years ago
Rico spent $44 on 8 toy cars. If each toy car cost the same amount of money, how much did each car cost?
bagirrra123 [75]

Answer:

$5.5

Step-by-step explanation:

Divide 44 into 5 to get what each car costs!

6 0
3 years ago
Read 2 more answers
If the ordered pairs (x, -1) and (5, y) belong to the set {(a, b): b = 2a-3}, find x and y.​
Anika [276]
The ordered pair is 5x|x| ^2
7 0
1 year ago
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