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3 years ago

I have 9 questions please think wisely then comment your answers quick:

Mathematics

1 answer:

Viktor [21]3 years ago

4 0

Answer:

1.) 6 5/6+ 6 11/12= 13 3/4

2.) 4 2/3 + 3 3/4 = 8 5/12

3.) 1 1/2 + 2 3/10 = 3 4/5

4.) 4 1/6 + 5 4/7 = 9 31/42

5.) 4 1/6 + 5 4/7 = 9 31/42

6.) 3 8/9 + 1 5/12 = 5 11/36

7.) 3 1/4 + 2 1/6 = 5 5/12

8.) 4 9/16 + 1 5/8 = 6 3/16

9.) 2 1/8 + 1 3/4 = 3 7/8

Step-by-step explanation:

Idk, i just used symnolab for the most part

help a sistah, follow the instah: emventures666

plz give brainliest-

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2/5 of Janet's class prefers chocolate ice cream and 2/5 prefers vanilla ice cream. What part of the class prefers chocolate or

belka [17]

The answer is D, 4/5, because 2/5+2/5=4/5.

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3 years ago

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Chose all the values of x that are not in the domain of this rational function. Picture attached, 15 points and I'll give Brainl

pogonyaev

Answer:

All of them.

Step-by-step explanation:

For rational functions, the domain is all real numbers except for the zeros of the denominator.

Therefore, to find the x-values that are not in the domain, we need to solve for the zeros of the denominator. Therefore, set the denominator to zero:

$x(x-1)(x^2-4)=0$

Zero Product Property:

$x\neq 0\text{ or }x-1\neq 0\text{ or }x^2-4\neq 0$

Solve for the x in each of the three equations. The first one is already solved. Thus:

$x-1\neq 0 \text{ or }x^2-4\neq 0\\x\neq 1\text{ or }x^2\neq 4\\x\neq 1 \text{ or }x\neq\pm 2$

Thus, the values that cannot be in the domain of the rational function is:

$x=-2,0,1,2$

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3 years ago

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Genevieve buys 4 dance tickets for $15 bill buys 16 dance tickets for $75 did they pay at the same rate?

GrogVix [38]

Answer:

No they did not pay the same rate, Bill paid more than Genevieve.

Step-by-step explanation:

Genevieve : 15 ÷ 4 =3.75

Genevieve paid 3.75 per ticket

-----------------------------------------------------

Bill : 75 ÷ 16 = 4.6875

Bill paid 4.6875 per ticket

********************************************

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3 years ago

What is the difference of the polynomials? (x2 - 6x + 2) - (3x? – 7x-8)

bagirrra123 [75]

The difference is 10.

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3 years ago

Jack is 13 years younger than his older brother, Tyler. Their Dad is twice Tyler's age. The sum of their ages now is 91. Find Ja

grin007 [14]

Answer:

13 years old

Step-by-step explanation:

So to solve this we use a system of equations. Let's use "j" to represent Jack, "t" to represent Tyler, and "d" to represent the dad. Set the system up and it will look something like this:

j = t - 13 (Jack is 13 years younger than Tyler)

d = 2t (Dad is twice Tyler's age)

d + j + t = 91 (The sum of the ages is 91)

And then solve, I solved by isolating the "j" variable on the last equation, giving us j = 91 - t - d, then plugged that into the first equation, giving us 91 - t - d = t - 13, and got d = 104 - 2t. Then I plug that into d = 2t, giving us 104 - 2t = 2t, and solve for t. T is 26, meaning Tyler is 26 years old, and then I just subtract 13 from that, giving us 13 years old.

And finally, I obviously checked my answer, because now we know dad is 52, and I got 91.

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3 years ago