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Usimov [2.4K]
4 years ago
10

A proofreader reads 200 pages in 8 hours. How many pages does the proofreader read in 30 minuets

Mathematics
1 answer:
umka21 [38]4 years ago
6 0
If 200/8=25 per hour, then i divided that by 2 to get 12.5 for 30 minutes.
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1/2n + 1/2n + 1/2n = 7<br> what is the value of n? include a check to check your answer.
Katen [24]

Answer:

N = 8/4

Step-by-step explanation:

Multiply all terms by n and cancel:

1/2+1/2+1/2=7N

8/7=7n (Simplify both sides of the equation)

7n=8/7/7

           -

           7

(Divide both sides by 7)

n= 8/49

4 0
3 years ago
BUILD PERSEVERANCE The formula A = P(1 + r) represents the amount of money A in an account after t years, where P is the amount
Veseljchak [2.6K]

The solution for P is P = A / (1 + r)^t, the initial deposit is $1,510, and I agree that A is always greater than P when given the conditions stated.

<h3>How do we calculate the initial deposit?</h3>

The correct formula in the question is provided as follows:

A = P(1 + r)^t ........................ (1)

a. P can be solved for and the amount of Patricia's initial deposit can be found from equation (1) as follows:

P = A / (1 + r)^t ................................. (2)

Where:

A = $1839.79

r = 2.5% = 0.025

t = 8

Substituting all the relevant values into equation (2), we have:

P = $1839.79 / (1 + 0.025)^8

P = $1,510

b. Yes, I agree.

The reason is that interest at the rate of 2.5% will be earned yearly on P and added to A making A always greater than P.

Learn more about initial deposits here: brainly.com/question/21845455.

#SPJ1

8 0
2 years ago
Find the missing value of X and Y.
Aneli [31]

Answer:

x = y = \sqrt{45}

Step-by-step explanation:

x^{2} + y^{2} = 30^{2}  \\x = y \\90 = \sqrt{45} +  \sqrt{45} \\\\ = 90

7 0
3 years ago
What is the product of (3.8 x 106) and (6 x 103)?
Troyanec [42]
It would be A. 2.28 x 10^9

You don’t multiply exponents you only add them for now
6 0
3 years ago
A ball is shot from a cannon into the air with an upward velocity of 65 ft/sec. The equation that gives the height (h) of the ba
Sveta_85 [38]

Answer:

Step-by-step explanation:

Find AOS

X = -b/2a

X = -65/2(-14)

X = -65/-28

X = 2.32 secs

t = 2.32secs

A) y value when t = 2.32 is the maximum height.

Substitute t in the equation.

h(t)= -14t^2+65t+1.75

h(t)= (-14 * 2.32²) + (65 * 2.32) + 1.75

= (-14 * 5.38 ) + (65 * 2.32) + 1.75

= -75.35 + 150.8 + 1.75

= 77.2 ft

Maximum height attained by the ball = 77.2 ft

B) Time the maximum height achieved = 2.32secs

C) The ball off of the ground when it was shot is well t = 0

Substitute t in equation

h(t)= -14t^2+65t+1.75

h(0)= (-14 * 0²) + (65 * 0) + 1.75

= 0 + 0 + 1.75ft

The ball is 1.75ft off the ground when it was shot.

7 0
4 years ago
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