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Elena L [17]
3 years ago
9

Nate wants to predict how long people use the internet each day based on their age. The table below shows the age (in years) and

average daily internet usage (in hours) for a sample of people.
Age (years)
3
33
10
1010
16
1616
22
2222
35
3535
55
5555
Internet use (hours per day)
0.0
0.00, point, 0
1.0
1.01, point, 0
2.5
2.52, point, 5
4.0
4.04, point, 0
3.0
3.03, point, 0
0.5
0.50, point, 5
Mathematics
2 answers:
Vika [28.1K]3 years ago
5 0

Answer:

Graph A is correct on Khan Academy! Hope this helps!

atroni [7]3 years ago
3 0

Answer:

A

Step-by-step explanation:

A is correct on Khan academy!

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A rectangle has a perimeter of (20x+12y). If one side of the rectangle is (3x-4y), write the expression for the other side
Nady [450]

Answer:

(7x + 10y)

Step-by-step explanation:

To find this add (3x - 4y) to itself to calculate to lengths of the shorter sides.

(3x - 4y) + (3x - 4y) = 6x - 8y

Subtract this from (20x + 12y)

(20x + 12y) - (6x - 8y) = 14x + 20y     Divide this by two to get the length of one side

14x + 20y / 2 = 7x + 10y

If this answer is correct, please make me Brainliest!

3 0
3 years ago
Type the expression that results from the following series of steps:
Sati [7]

Answer:

Step-by-step explanation:

Given

x times by 9

Required

Write out an algebraic expression for the above.

Follow the instructions below to get the algebraic expression of the above.

1. First, write out the variable: x

2. Then write out an expression for "times by 9". This means multiply x by 9.

So, this gives x * 9.

x * 9 = 9x.

Hence, the expression for the above question is 9x

5 0
3 years ago
What is the equation of the line that goes through the points (4,-1) and<br> (2,3)?
Arturiano [62]

Answer:

<u>y = -2x + 7</u>

Explanation:

<em><u>y = mx + b</u></em>

<em><u /></em>

<em>m = slope</em>

<em>b = y-intercept</em>

<em>y = a given y coordinate</em>

<em>x = a corresponding x coordinate</em>

<em />

First, we need to find the slope (m).

1) (4, -1)

2) (2/3)

m = slope = \frac{y_2-y_1}{x_2-x_1} = \frac{3-(-1)}{2-4} = \frac{4}{-2} = -2

plug in the values to the equation <u>y = mx + b</u>

<u />

-1 = -2(4) + b

-1 = -8 + b

7 = b

now, we can substitute in m and b into the equation y = mx + b

<u><em>y = -2x + 7</em></u>

5 0
3 years ago
Plz i need help :ppppppp
miv72 [106K]

Answer: D

Step-by-step explanation:

Just do 7 x 88 LOL

8 0
3 years ago
Help Me Please~
Mkey [24]

Answer:

45^0.999

Step-by-step explanation:

The bases are equal so we wont divide them, we shall only divide the exponents.

<em>2799/2800=0.999</em>

<em>hope it helps</em>

3 0
3 years ago
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