Carmela is growing her hair to donate to a charity. The hair must be a minimum length of 10 inches. Her hair is already 4 inches long. If hair grows at the rate of 6 inches a year, write and solve an inequality to find the minimum number of years she must grow her hair to be able to make a donation.

Answers

Answer 1

Answer: It's kind of important to know how long it's been since her last cut but...
y=years
6y+4=10
I think that would work.

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Use the graph of f(x) to evaluate the following:

Answers

Answer:

$\large\boxed{(1)/(2)}$

Step-by-step explanation:

$\text{The average rate of change of function}\ f(x)\n\text{over the interval}\ a\leq x\leq b\ \text{is given by this expression:}\n(f(b)-f(a))/(b-a).\n\n\text{Read from graph the values of function for}\ x=3\ \text{and}\ x=5.\n(look\ at\ the\ picture)\n\nf(3)=1,\ f(5)=2\n\n\text{Substitute:}\n\n(f(5)-f(3))/(5-3)=(2-1)/(2)=(1)/(2)$

What is the slope of a line passing through (3, 4) and (5,8)?
1/2
2
2/4
4/2

Answers

Answer:

Step-by-step explanation:

To find the slope of a line given two points $(x_1,y_1) \text{ and } (x_2,y_2)$ you could use the formula: $(y_2-y_1)/(x_2-x_1) \text{ or even } (y_1-y_2)/(x_1-x_2)$ .

However, what I'm fixing to do is equivalent to that except I think easier to remember.

You line up the points vertically and subtract, then put 2nd difference over 1st difference.

Like this:

( 3 , 4)

- ( 5 , 8)

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

-2 -4

So the slope is -4/-2=4/2=2.

The slope is 2.

There are 150 members in the school marching band. the band wants to raise $30,000 for a trip to a national competition. the school agreed to contribute $10,000 towards the trip. which inequality shows the amount of money that each band member should raise?A) 150x + 30,000 > 10,000
B) 150x + 10,000 > 30,000
C) 10,000x + 150 > 30,000
D) 10,000x + 30,000 > 150

Answers

The answer is B, $10,000 is given and is not a variable that can be changed, since there are 150 band students raising money it would be 150x, and the 30,000 is the goal of the fundraiser

On her way to visit her parents, Jennifer drives 265 miles in 5 hours. What is her average rate of speed in miles per hour?

Answers

Her average speed in miles per hour would be 53 mph. You can get this by dividing the miles driven and the time. This means Jennifer drove 53 mph to get to her parent's house. Hope this helps!

Average speed = Total distance / Time

= 265 miles / 5 hours

= 53 miles / hour.

Segment AB has endpoints A(–4, 6) and B(1, 4). After a dilation, centered at the origin, the image of A is (–6, 9). Without measuring the distance, explain how you could find the image of B.

Answers

Answer:

see the explanation

Step-by-step explanation:

step 1

Find the scale factor of the dilation

Divide the x-coordinate or the y-coordinate of the image by the the x-coordinate or the y-coordinate of the pre-image

$(-6)/(-4)=1.5$

$(9)/(6)=1.5$

step 2

Multiply the coordinates of point B by the scale factor to obtain the image B'

B'(1.5*1,1.5*4)

B'(1.5,6)

Answer:

To find the image of B, first find the scale factor for the dilation. The scale factor should be greater than 1 because the image of A is farther from the origin than A. Divide the coordinates of the image of A by the coordinates of A: –6/–4 = 3/2 and 9/6 = 3/2, so the scale factor is 3/2. Now, apply the dilation to B by multiplying the coordinates by 3/2 to get ((3/2)(1), (3/2)(4)), or (3/2, 6).

Step-by-step explanation: its the sample response

2x + (3 - x) how do I do this

Answers

okay so you would do it like this

2x + (3 - x)

2x + 3 - x

x + 3

the answer would be x + 3

hope this helps!

Following PEMDAS, the parentheses comes first. Essentially, (3 - x) is times 1, which removes the parentheses. So 2x + 3 - x. Subtract the x first. This leaves x + 3.

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