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4 years ago

PLEASE HELP!!! WILL MARK BRAINLIEST! 15 POINTS!

Mathematics

1 answer:

Aleonysh [2.5K]4 years ago

3 0

This graph is not a direct variation graph.

Direct variation graphs take the form of a = kb where k is a constant

An example is y = 4x.

There is no constant increase, rather it is an exponential function y = x^2

You might say you could write it as y = x(x). and say x is the constant but x is not constant in this case and its changing.

This graph does not show direct variation :)

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<img src="https://tex.z-dn.net/?f=%20-%204%20%5Cfrac%7B2%7D%7B3%7D%20-%20%283%20%5Cfrac%7B1%7D%7B6%7D%29" id="TexFormula1" title

Komok [63]

Answer:

$\frac{-47}{6}$ = $7.833$

Step-by-step explanation:

Expression given is:

$-4\frac{2}{3} -(3\frac{1}{6})$

Now change the mixed fraction to improper fractions;

$-\frac{14}{3} -\frac{19}{6}$

Now take a common denominator:

$-\frac{28}{6} -\frac{19}{6}$

Now we can simplify the the above equation:

$\frac{-28-19}{6}$

$\frac{-47}{6}$ = $7.833$

3 0

3 years ago

What does the expression 3x+4y equal

enot [183]

That expression can’t be simplified and the answer is unknown. Finding what 3x+4y is impossible unless more information is provided.

7 0

3 years ago

Solve 2x^2=11x+6 by factoring

Ede4ka [16]

Answer:

(x-6) (2x+1)

Step-by-step explanation:

1) move everything over to the left side, so subtract 11x and 6.

2x^2 -11x - 6 = 0

2)multiply 2(a term) with -6 (c term)

x^2 -11x -12

3) factor and find what multiples to -12 and adds up to -11. in this case its -12 and positive 1

(x-12) (x+1)

4) divide -12 and 1 by the original a term (2)

(x-6) (x+1/2)

5) move the denominator of 2 over to the x.

(x-6) (2x+1)

5 0

4 years ago

Solve the system of linear equations by adding or subtracting. Show all work!

Thepotemich [5.8K]

Answer:

x = -2, y = -2

Step-by-step explanation:

Your goal is to try and cancel out a variable. I want to get rid of y so i subtracted the first equation from the second one.

After that I solve for x and got x=-2.

I used x=-2 and plugged it back into either of the equation to solve for y.

4 0

3 years ago

Find the length of the missing side.

Sergeeva-Olga [200]

Answer:

Step-by-step explanation:

5^2+12^2=169

25+144=169

sqrt 169 =13

8 0

3 years ago