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Free_Kalibri [48]
3 years ago
9

Let me get some help real quick big fella​

Mathematics
2 answers:
Sunny_sXe [5.5K]3 years ago
7 0

Answer:

cos B = 9/41

Step-by-step explanation:

Using trig functions, since we have a right angle,

cos theta = adjacent side/ hypotenuse

Cos B = 18/82

Dividing the right side by 2

cos B = 9/41

Debora [2.8K]3 years ago
3 0
The answer is A
You have to use the trigonometric ratio as it is a right angle triangle.

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A system of equations has infinitely many solutions. If 2y - 4x = 6 is one of the equations, which could be the other
Serjik [45]

Answer:

-y = -2x - 3

Option 3

Step-by-step explanation:

When equations are equivalent, they will have infinitely many solutions.

If you want to find an equivalent equation, you can <u>multiply/divide every</u> term in the equation by the same number. You can also <u>rearrange</u> the equation.

Since the options mostly have "y" by itself, start by <u>rearranging</u> to isolate "y" in the given equation.

Move all the other numbers to the right of the equal sign except for "y". To move a number, apply its reverse operation to the entire equation.

Do reverse operations in reverse BEDMAS order.

2y - 4x = 6                Move "-4x" first. It's reverse is +4x.

2y - 4x + 4x = 6 + 4x

2y = 6 + 4x                Move the "2" in 2y. Divide the whole equation by 2.

2y/2 = 6/2 + 4x/2

y = 3 + 2x                  Rearrange to look like the answer choices.

y = 2x + 3

This equation looks like option 3 except every term has a different negative/positive.

y = 2x + 3         -y = -2x - 3

We can <u>multiply every term</u> by -1.

y = 2x + 3

y*-1 = 2x*-1 + 3*-1

-y = -2x + (-3)                Negative and positive make a negative

-y = -2x - 3                     Same as option 3

6 0
3 years ago
Read 2 more answers
Is it a function or not a function and if why is it either a function or not a function?
Butoxors [25]

Answer:

function

Step-by-step explanation:

8 0
3 years ago
If 100 books cost 20 dollars, how many books can cost 5 dollars?
BaLLatris [955]

Answer: 25 books. you can buy 25 books with 5 dollars

Step-by-step explanation:

8 0
3 years ago
2. Mr. Abdulla has 160 cows, goats, horses, and chickens on his farm. 19% of the animals are cows, 28% are goats, 13% are horses
siniylev [52]

Step-by-step explanation:

28 + 19 + 13 equal 60%

therefore 40% divided by 60% multiply by 160 gives number of chicks

6 0
3 years ago
What number must be added to 14,056 to result in the sum of 38,773
Vlada [557]
24,717.
What you have to do is subtract 38,773-14,056 and then the answer would be 24,717. So all together 24,717 must be added to result in the sum of 38,773.
14,056+24,717=38,773.
8 0
3 years ago
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