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serg [7]
4 years ago
12

Solve the system of equations.- 9x + 4y = 69x + 5y = -33​

Mathematics
1 answer:
liubo4ka [24]4 years ago
7 0

Let us solve this system of equations by using the elimination method. Adding the 2 equations, we get

9x + 5y - 9x + 4y = -33 + 6

9y = -27

y = -3

Substituting this value of y in the first equation, we get

-9x + 4(-3) = 6

-9x - 12 = 6

9x + 12 = -6

9x = -18

x = -2

Therefore, x = -2, and y = -3. Hope this helps! If you have any questions, feel free to ask.

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Solve for x <br>x/4 ≥ -8<br>a) x≤-2<br>b)x≥-32<br>c)x≥-2<br>d)x≤-32​
Marianna [84]

Answer:

B

Just multiply by 4 to isolate x; because 4 isn't negative, u keep the sign the same.

4 0
3 years ago
Segment AB with endpoints at A(2, 4) and B(2, 18) is partitioned by point P according to the ratio of 3:4. Find the coordinate o
natta225 [31]

Using proportions, it is found that the coordinates of point P are given as follows: (2,10).

<h3>What is a proportion?</h3>

A proportion is a fraction of a total amount, and the measures are related using a rule of three.

The segment is partitioned by point P according to the ratio of 3:4, hence:

P - A = \frac{3}{7}(B - A)

This proportion is applied for both coordinates, hence, for the x-coordinate:

x - 2 = \frac{3}{7}(2 - 2)

x - 2 = 0

x = 2.

For the y-coordinate:

y - 4 = \frac{3}{7}(18 - 4)

y - 4 = 6

y = 10.

Hence the coordinates are (2,10).

More can be learned about proportions at brainly.com/question/24372153

#SPJ1

4 0
2 years ago
3. Joe has enough money to purchase up three video games that cost $25 each
zaharov [31]

Answer:

75$ i think lol I did not get the question

5 0
3 years ago
Read 2 more answers
Recommendations
Ipatiy [6.2K]

Answer:

4

Step-by-step explanation:

you're just going to plug in 15 where f is so its asking 15-11 which would be four

4 0
4 years ago
A. 33.2<br> B. 34.7<br> C. 45.6<br> D. 37.8
Ray Of Light [21]
The answer is B. 34.7

Take the cosine (adjacent over hypotenuse) of 38°
Multiply this number by 44 (the hypotenuse)

Your answer is 34.67, which rounds to 34.7
7 0
3 years ago
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