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Sedaia [141]
3 years ago
13

sharita does special typing jobs for scientist. she charges 16$ for the first 3 pages and 3$ for each additional page of scienti

fic typing Sonia,a a biologist paid 106$ to have a research paper typed how many pages long was Sonia's paper
Mathematics
1 answer:
liq [111]3 years ago
6 0

Answer: 33 pages

Step-by-step explanation:

Let x represent the total number of pages typed by Sharita.

The cost of the first 3 pages = $ 16

Each additional page cost $3

Total amount paid = $106

since the first 3 pages cost $16 , and x represent the total pages , then the remaining pages will be x - 3

Also , since each additional page cost $3 , the cost of the remaining pages will be 3 ( x - 3)

Combining this , we have

16 + 3 ( x -3 ) = 106

16 + 3x - 9 = 106

7 + 3x      = 106

      3x = 106 - 7

       3x = 99

        x = 33

therefore ,Sonia's paper was 33 pages long

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Simplify -4b+(-9k)-6-3b+12
andre [41]

\boxed{-7b-9k+6}

<h2>Explanation:</h2>

We have the following expression:

-4b+(-9k)-6-3b+12

First of all, we need to open parentheses:

-4b-9k-6-3b+12

Next, combine like terms:

-4b-3b-9k-6+12 \\ \\ \therefore \boxed{-7b-9k+6}

<h2>Learn more:</h2>

Simplify expressions: brainly.com/question/13378777

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3 years ago
1/4(24x+12)=6(x+1/2)
forsale [732]

Answer:

The final answer cannot be decided

Step-by-step explanation:

Since 1/4(24x+12)=6(x+1/2)

This can also be written as

24x+12/4=6(x+1/2)

So let's open the bracket from the right side and also solving using the LCM

24x+12/4=6(2x+1/2)

Open the bracket

24x+12/4=3(2x+1)

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Cross multiply

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Collect like terms

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7 0
3 years ago
PLEASE HELP QUICKLY! 20 points! I will mark best answer as Brainliest!
Alina [70]

t= 2.25 secs

Step-by-step explanation:

Step 1 :

Equation for motion with uniform acceleration is v = u+ at

where v is the final velocity

          u is the initial velocity

          a is the acceleration due to gravity

          and t is the time

Step 2 :

Here , v = 0 because at the highest point final velocity is 0.

u = 72 feet/sec

a = -32 ft/sec^2

We need to find the time t.

Substituting in the equation we have,

0 = 72 -32 * t

=> 32 t = 72

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The answer is 2 miles or 3520 yards. (they are the same answer.)

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8 0
3 years ago
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Solve x (give answer as fractions or integers). 2^x =1/2​
Rudik [331]

Answer:

x = -1

Step-by-step explanation:

When an exponent is negative, you have to move it to the denominator (or to the numerator if it's already on the denominator). Since the answer is \frac{1}{2}, you know that the 2 has been raised to the power of 1 (any number to the power of 1 is the same number), so you just make it negative. Hope that helps!

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