3 years ago

Can someone help me on this last question

Mathematics

1 answer:

NISA [10]3 years ago

4 0

Yes I can. The answer is most likely B. I am 99.9% sure this is the correct awnswer

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The teacher separated her class of twenty-eight students into two groups. One group has 4 more than twice as many students as th

wariber [46]

4+2x = x (x = student in smaller group)

4 + 2x + x = 28 (total # of students)
4+ 3x = 28
3x = 24
x = 8
8 students in the smaller group
4 + 2(8) = 20 students in the larger group

8 0

3 years ago

Please answer ASAP. You need to find what the mistake Page made. WILL AWARD BRAINLEST TO WHOEVER GIVE CORRECT ANSWER!!!!!!!!!!!!

Fudgin [204]

Answer: She added 7x and 3y

Step-by-step explanation: The final answer should be 7x + 3y, not 10xy.

8 0

3 years ago

The circumference of the circle is 62.8cm what is the diameter use 3.14

Svetllana [295]

Answer:

Step-by-step explanation:

Divide 62.8 by 3.14

4 0

2 years ago

Find the domain of the function algebraically:<br><br> <img src="https://tex.z-dn.net/?f=R%28x%29%3D%5Cfrac%7Bx%7D%7Bx%5E%7B2%7D

BigorU [14]

The domain of the function is all real numbers except 2 and -1

Step-by-step explanation:

Domain is the set of inputs of a function on which the function is defined.

Given function is:

$R(x) = \frac{x}{x^2-x-2}$

In case of a function involving fraction, the function is undefined if the denominator is zero so in order to find the domain of the function algebraically , we have to find the values on which the function will be undefined

$x^2-x-2 = 0\\x^2-2x+x-2 = 0\\x(x-2)+1(x-2) = 0\\(x+1)(x-2) = 0\\x+1 = 0 => x=-1\\x-2=0 = > x=2$

The function will be undefined on x=-1 and x=2

So,

The domain of the function is all real numbers except 2 and -1

Keywords: Domain, functions

Learn more about domain and functions at:

#LearnwithBrainly

7 0

3 years ago

I don’t know what to do .. can somebody help

aalyn [17]

Answer:

sureeeeeeeeeeeeeeeeeee

Step-by-step explanation:

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2 years ago