MATHEMATICS MIDDLE SCHOOL

Find the domain of y = 2x + 1

Answers

Answer 1
Answer:

hello there

the answer is down below in a graph

hope it helps
Answer 2
Answer:

Final answer:

The domain of the function y = 2x + 1 includes all real numbers since any real number can be substituted for the x-value and the function will create a valid y-value.

Explanation:

In mathematics, the domain of a function refers to the set of possible inputs or the set of x-values for which the function is defined. In this particular problem, where we have y = 2x + 1, the domain is all real numbers. This is because you can substitute any real number for x and the function will still calculate a valid y-value. Therefore, for the function y = 2x + 1, the domain is all real numbers (-∞, ∞).

Learn more about Domain here:

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98 is 35% of what number

Answers

'is' in mathematics means equal
'of' in mathematics means multiplication

35% can also be written as 35/100

98 = (35)/(100) * x\n\n98 * (100)/(35) = x\n\n x = (9800)/(35)\n\nx = \boxed{\bf{280}}

Answer:

The number is 280


Explanation:

Assume that the number we are looking for is x


We are given that:

35% of the number is 98


This means that:

35% * x = 98

0.35x = 98

x = (98)/(0.35)

x = 280


Hope this helps :)

Enter the values for the variables that give the correct simplified expressions, x = ≥ 0.StartRoot 50 x squared EndRoot = StartRoot 25 times 2 times x squared EndRoot = 5 x StartRoot b EndRoot
b =

StartRoot 32 x EndRoot = StartRoot 16 times 2 times x EndRoot = c StartRoot 2 x EndRoot
c =

StartRoot 18 n EndRoot = StartRoot 9 times 2 times n EndRoot = e StartRoot 2 n EndRoot
e =

StartRoot 72 x squared EndRoot = StartRoot 36 times 2 times x squared EndRoot = g x StartRoot 2 EndRoot
g =

Answers

Answer:

b= 2x²; c = 4; 3 = 3 ; g = 6x

Step-by-step explanation:

\textbf{(1)}\n\sqrt{50{x}^(2) } = \sqrt{25*2x^(2)} = 5* \mathbf{\sqrt{2x^(2)}}\n\textbf{b = 2x}^(2)\n\n\textbf{(2)}\n√(32x) = √(16 * 2x) = \mathbf{4}* √(2x)\n\textbf{c = 4}\n\n\textbf{(3)}\n√(18n) = √(9 * 2n) = \mathbf{3}* √(2n)\n\textbf{e = 3}\n\n\textbf{(4)}\n\sqrt{72x^(2)} = \sqrt{36 * 2x^(2)} = 6* √(2) * x\n= \mathbf{6x}√(2)\n\textbf{g = 6x}

Answer:

2

4

3

6

Step-by-step explanation:

Those are the correct answers

30 girls who tried out for the lacrosse team Euclid middle school 12 were selected of the 40 boys Who tried out 16 were selected are the ratios of the number of students on the team to the number of students trying out the same for both boys and girls

Answers

Answer:

Yes, the ratio of the number of students on the team to the number of students trying out is same for both girls and boys.

               The ratio is: 2:5

Step-by-step explanation:

It is given that:

  • Out of 30 girls who tried out for the lacrosse team Euclid middle school 12 were selected.

This means that the ratio of the number of girls on the team to the number of girls trying out is:

   12/30=2/5

  • Also, 40 boys Who tried out 16 were selected .

This means that the ratio of the number of boys on the team to the number of boys trying out is:

     16/40=2/5          

Hence, we get that the ratio is same for boys and girls i.e. 2:5
12/30=2/5
16/40=2/5
The ratio is the same because they both simplify to 2/5

What value for the constant,h, in the equation shown below will result in an onfinite number of solutions? Equation: 6x+18=h(3x+9) Answer choices: a. -2 b.-3 c.2 d.3

Answers

Answer:

c.2

Step-by-step explanation:

6x+18=h(3x+9)

To have an infinite number of solutions, the left and right side must be equal

Distribute the h

6x+18 = 3xh +9h

6x = 3xh

Divide by x

6x/x = 3xh/x

6 = 3h

Divide by 3

6/3 =3h/3

2 =h

Lets verify

18 = 9h

Divide by 9

18/9 = 9h/9

2 =h

h must be 2

Math problem solving 9-3 A new car costs$13,000and is depreciating by $900each year.how much will the car be worth after 4 years?

Answers


The answer is 9400. I came to that by multiplying 900 by 4 which is 3600. Then I subtracted that from 13000 and got 9400.

Hope this helped you and tell me if you didn't so I can help you further!

Answer:

15,700

Step-by-step explanation:

an=a1+(n-1)d

Plug in numbers- a4=13,000+(4-1)900

Solve

15,700

Explain how scaling a mixed number by 1/2 will affect the size of a number

Answers

If the mixed number is scaled by 1/2 then, the original number will be divided by 2. That being said, the number then becomes 50% of the original value. Hence, scaling the number by 1/2 will make the number only 50% of its original value.
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