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raketka [301]
3 years ago
6

William sold half of his comic books and then bought 14 more he now has 24 with how many did he have in the beginning

Mathematics
2 answers:
yarga [219]3 years ago
6 0
Answer: 20 books 

I hope this helps and have a wonderful day filled with joy!!

<3
Lera25 [3.4K]3 years ago
3 0
Let the number of comic books be X
if we add 14 to X = 24
so we will find the value of X to get half initial number of comic books William had.
14+X=24
X=24-14
X=10
so the total innitial number of comic books William had is 10+10=20 books.
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Answer: -4.1

Step-by-step explanation:

0.4 - 4.5 = -4.1

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3 years ago
What is the cube root of 27a^12
tino4ka555 [31]

ANSWER

3{a}^{4 }

EXPLANATION

The cube root of

27 {a}^{12}

is

\sqrt[3]{27 {a}^{12} }

This is the same as:

(27 {a}^{12} )^{ \frac{1}{3} }

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3 years ago
PSEG Long Island charges its residential customers a little monthly service charge plus an energy charge based on the amount of
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Using linear function concepts, it is found that:

  • a) It costs $0.1 for each kilowatt hour of electricity used in excess of 250 kWh.
  • b) f(90) = 46.6, which is the cost of 340 kWh of consumption in a month.

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

A <em>linear function </em>has the format given by:

y = mx + b

In which:

  • m is the slope, which is the rate of change, that is, how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0.

The equation for the cost of h kilowatt hours (kWh) of electricity used in excess of 250 kWh is of:

C = f(h) = 37.6 + 0.1h

Item a:

  • The slope is of m = 0.1, which means that it costs $0.1 for each kilowatt hour of electricity used in excess of 250 kWh.

Item b:

f(90) = 37.6 + 0.1(90) = 37.6 + 9 = 46.6

250 + 90 = 340.

f(90) = 46.6, which is the cost of 340 kWh of consumption in a month.

A similar problem is given at brainly.com/question/24808124

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2 years ago
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1 year ago
If f(t)=3t^2+11 find f(7)
tamaranim1 [39]

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f(7) = 158

Step-by-step explanation:

To evaluate f(7) substitute t = 7 into f(t)

f(7) = 3(7)² + 11 = (3 × 49) + 11 = 147 + 11 = 158

6 0
3 years ago
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