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Gnom [1K]
3 years ago
9

Which ordered pair is a solution of the equation? y=-2x-5y

Mathematics
2 answers:
Otrada [13]3 years ago
7 0
-2.9 hope this helps !
Allushta [10]3 years ago
5 0

Answer:

if y = 5 than 2x - 5 = 5 we can simplify this too 2x = 10 ( by adding the 5 to both sides ) now we can simplify and get x = 5 ( by dividing by 2 ) so we get (5,5) as our first point. well since its in slope intercept form ( y = mx + b ) we can graph it.

Step-by-step explanation:

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Someone please help me!!! I will mark brainlist!
vagabundo [1.1K]
It would be (-5, 15) or b.
6 0
3 years ago
In the expression (44 ÷ 4 + 10) - 20 , with which operation should we start?
Luden [163]
You have to do whats in the parentheses from left to right then subtract the answer you get by 20



(9x10) - (30+30)
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8 x (12+5) -7^2
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= -576.



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P=parentheses
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4 0
3 years ago
Read 2 more answers
the cooler at a softball game holds 5 quarts of sports drink. how many cups of sports drink does the cooler hold
Leno4ka [110]

Answer: 20 cups :DD

Step-by-step explanation:

7 0
3 years ago
Use either Gaussian elimination or Gauss-Jordan elimination to solve the given system or show that no solution exists. (If there
True [87]

Answer:

x1 = t, x2 = -t and x3 = 0

Step-by-step explanation:

Given the system of equation

x1 + x2 + x3 = 0 .... 1

x1 + x2 + 9x3 = 0 .... 2

Subtract both equation

x3 - 9x3 = 0

-8x3 = 0

x3 = 0

Substitute x3 = 0 into equation 1

x1 + x2 + 0 = 0

x1+x2 = 0

x1 = -x2

Let t = x1

t = -x2

x2 = -t

Hence x1 = t, x2 = -t and x3 = 0

5 0
3 years ago
According to this diagram, what is cos 28°? 62° 17 8 28° 90° 15 O A. 17 15 O B. 8 17 O c. 15 17 O D. O E. 8 15 15 OF.​
VikaD [51]

Answer:

C. Cos(28) = \frac{15}{17}

Step-by-step explanation:

Recall: SOHCAHTOA

Thus,

Cos(\theta) = \frac{Adjacent}{Hypotenuse}

Reference angle = 28°

Adjacent = 15

Hypotenuse = 17

Plug in the values

Cos(28) = \frac{15}{17}

4 0
3 years ago
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