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saveliy_v [14]
3 years ago
7

ILL GIVE BRAINLIEST AND CRAZY POINTS JUST HELP!!!

Mathematics
1 answer:
kvasek [131]3 years ago
7 0

Charter Bus:

1.

350 ( distance) / 50 ( rate)  = 7 (time in hours).

Conclusion - Will take the charter bus 7 hours to drive from Norfolk to New York.

2.

12  - 6  = 6 A.M  ( counting for time left in this half of the day)

7 - 6 = 1 hour left ( which will be then 1 P.M )

Conclusion- Will arrive in New York City at 1 P.M.

Personal Vehicle:

3.

1 hour : 70 miles, 2 hours : 140 miles, 3 hours : 210 miles, 4 hours : 280 miles,     5 hours : 350 miles.

Conclusion: It will take 5 hours to get to New York City from Norfolk.

4.

12 A.M - 7:30 A.M = 4:30 A.M

5 - 4.5 = 0.5 hours left ( which will be then 12:30 P.M )

Conclusion- Will arrive in New York City at 12:30 P.M.

Meet Up:

5. By looking at the rates/ratios of both vehicles and finding out the time it would take with both vehciles also I figured out that Dakota's parents will arrive first.

I didn't include a graph, I thought that you could do that with the rates of both vehicles.

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Last month, Margo bought a tree that grows 2.5 cm each day. It was 5 cm when she bought it and now it 65 cm tall.
Radda [10]
You will want this equation to be in y=mx+b, because you already have the slope and y-intercept. X will be the number of days she has had the plant, and Y will be the height of the tree, because it is the variable being affected by the X. The slope, or the M, is 2.5 because this is the number of centimeters the tree grows per day. The y-intercept is 5, because this is the height of the tree originally. So, the equation is Y=2.5X+5. To solve the number of days Margo will have had the plant, plug in 65 (the height of the plant after a certain amount of days) into the Y variable and solve for X. So, 65=2.5X+5. Subtract 5 from both sides to get 60=2.5X, then divide both sides by 2.5 to get X=24. So, she will have owned the plant for 24 days.
5 0
3 years ago
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How do you do 2 divided by 7
laiz [17]
Do long division but the answer is 2/7 or 0.2857
6 0
3 years ago
Your friend attempted to factor an expression as shown. Find the error in your friends work. Then factor the expression correctl
loris [4]

Answer:

Third step is incorrect. The correct factored form is (x-1)(2x-5).

Step-by-step explanation:

The given expression is

2x^2-7x+5

We need to find the factored form of this expression.

Step 1: Given

2x^2-7x+5

Step 2: Splitting the middle term method, the middle term can be written as (-5x-2x).

2x^2-5x-2x+5

(2x^2-5x)+(-2x+5)

Step 3: Taking out common factors from each parenthesis.

x(2x-5)-1(2x-5)

Step 4: Taking out common factors.

(x-1)(2x-5)

Therefore, the third step is incorrect. The correct factored form is (x-1)(2x-5).

3 0
2 years ago
<img src="https://tex.z-dn.net/?f=%28%5Cfrac%7B4%7D%7B9%7D%20%29%5E%7B2%7D" id="TexFormula1" title="(\frac{4}{9} )^{2}" alt="(\f
ivanzaharov [21]

Answer:

\frac{16}{81}

Step-by-step explanation:

Just Square the numbers like a normal equation.

4² = 16

9² = 81

This gives us \frac{16}{81}

or 0.198 as a decimal (approx)

6 0
3 years ago
Read 2 more answers
"if the standard deviation of a group of 20 scores is 15, what is the variance?"
DerKrebs [107]

We have been given that the standard deviation of a group of 20 scores is 15 and we are asked to find variance.

Since we know variance is square of standard deviation. In order to find out the variance of the given data we have to take the square of 15.

\text{ Variance}=\sigma^{2}\\&#10;=15^{2}=225

Therefore, our variance is 225.


7 0
3 years ago
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