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Feliz [49]
2 years ago
7

Please, help me, im really desperate for help. Max answer choices is 3

Mathematics
1 answer:
steposvetlana [31]2 years ago
5 0

Answer:

I would say A, B, D

Step-by-step explanation:

I am bad at this sorta stuff so i am very very sorry if its wrong!!! :(

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Brainliest Answer!!!
AleksandrR [38]
Its fairly straightforward. Since the bottom equation only has one unknown,x, because y=1.3, you can plug y in and solve for x. Once you find the value of x, you then have the value for two variables, x and y, and again have one unknown coefficient a. To solve for the coefficient you just plug in your y value (1.3) and your x value (which can be rounded to 0.42). Using a little bit of algebra, you can then solve for a which should be a=2.108. I am not sure if your teacher wants you to solve it this way but you could also use the elimination method or substitution method that you would of learned when discussing system of equations. But no matter which way you do it, the math follows the rules. Hope this helps. I’d suggest you solve it yourself to double check my work.

To verify my credibility,
I am a Mechanical Engineering major w/ minor in mathematics
7 0
3 years ago
F(x)=3x-7 find the value of c so that f(c) =20 is true
Andreas93 [3]

<u>Answer</u>:

c = 9

<u>Explanation</u>:

given: f(x)=3x-7

<em>if f(c) =20</em>

To solve this replace x with c and then y is 20.

<u>Solve</u>:

3c - 7 = 20

3c = 27

c = 27 ÷ 3

c = 9

7 0
2 years ago
Read 2 more answers
Which ratio is equivalent to the given ratio?
Alik [6]

Answer:

5/7 is the only one

Step-by-step explanation:

7 0
2 years ago
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Logan made a treasure map he treasure is 25 cm away from his location if each 1 cm on the scale drawing equals 5 m then how far
Doss [256]
Logan is 125 meters away from the treasure.


Also, this question seems like an elementary school question, not a high school question, so why does it say that you are in high school?
8 0
3 years ago
Which expression is equivalent to 3x – 5?
Dvinal [7]

Answer:

2x – 4 – 1 + x

Step-by-step explanation:

5 0
3 years ago
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