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alexandr1967 [171]
4 years ago
13

Brainliest answer and 5 points

Mathematics
1 answer:
Studentka2010 [4]4 years ago
3 0
Answer: Choice C) Infinitely many solutions

If you solve the first equation for y, you get
2y = 14 - 2x
2y = 14 + (-2x)
2y = -2x + 14
2y/2 = (-2x)/2 + 14/2 ... divide every term by 2
y = -x + 7

This result of y = -x+7 is identical to the second equation in the system. So the two graphs are going to be the same. We only produce one line. One graph is right on top of the other. The two lines will intersect infinitely many times. Any point on the blue line is a solution to the system. 
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HELP ASAP I DONT HAVE TIME AND IT ALSO DETECTS IF ITS RIGHT OR WRONG
mamaluj [8]

Answer:

75%

Step-by-step explanation:

(5.6-3.2)/3.2=0.75

7 0
3 years ago
37<br> a<br> 12<br> В<br> 35<br> C<br> Find tan(a) in the triangle.
Vsevolod [243]

Your question is unclear. You can attach a photo to make it clear.

6 0
3 years ago
If f(x)=2-x^1/2 and g(x)=x^2-9 , what is the domain of g(x)÷f(x)
emmasim [6.3K]
First let P(x) = g(x)/f(x) = x^2 -  9 / 2 - x^0.5


The domain of the nominator is any value

The domain of the denominator is

Zeros of the denominator

2-x^0.5 = 0

-x^0.5 = -2

x^0.5 = 2

x = 4 

domain of x^0.5 is x >= 0 

(0,4) and (4, inf) 

7 0
3 years ago
in a right triangle, the 58cm hypotenuse makes a 51 angle with one of the legs. rounded to two decimals places, how long is that
ser-zykov [4K]

Answer:

36.50

To two decimal places

Step-by-step explanation:

The hypothenuse side in a right angle triangle has 58cm. While the angle touching one of its leg is 51°. How long is that leg.

From the right angled triangle, the size of the leg touching the hypothenuse is the adjacent side of the triangle, hence in trigonometry, the cosine rule is used, because it involves the adjacent and the hypotenuse.

Cos 51°=x/58

Let the size of the leg be x

Making x the subject

x=58(Cos51°)

x=36.500058

Correct to two decimal place

x=36.50

3 0
3 years ago
Don't know if it's a or B please help
Monica [59]
The answer is b because 60%  is not in the word problem, so you could've used process of elimination to get rid of choice a.
3 0
3 years ago
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