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aalyn [17]
3 years ago
9

Mahesh charges $21.50 a month for cutting his neighbor's lawn. How much money will he make in a year? A. $258.00 B. $215.00 C. $

64.50 D. $21.50
Mathematics
1 answer:
Diano4ka-milaya [45]3 years ago
6 0

Answer:

A. $258.00

Step-by-step explanation:

There are 12 months in a year so you will simply have to multiply $21.50 by 12


21.50 x 12


258

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For each random variable defined here, describe the set of possible values for the variable, and state whether the variable is d
Alona [7]

Answer:

X is a discrete random variable.

X can take values from 0 to 12:

X\in[0,1,2,3,4,5,6,7,8,9,10,11,12]

Step-by-step explanation:

(a) X = the number of unbroken eggs in a randomly chosen standard egg carton

X is a discrete random variable.

The minimum amount of eggs broken is 0 and the maximum amount of eggs broken is 12 (assuming a dozen egg carton).

Then, X can take values from 0 to 12:

X\in[0,1,2,3,4,5,6,7,8,9,10,11,12]

About the probability ditribution nothing can be said, because there is no information about it (it can be a binomial, uniform or non-standard distribution).

5 0
2 years ago
<img src="https://tex.z-dn.net/?f=p%5E%7B2%7Dxp%5E%7B2%7D" id="TexFormula1" title="p^{2}xp^{2}" alt="p^{2}xp^{2}" align="absmidd
vichka [17]

Answer:

{p}^{4} x

Step-by-step explanation:

1) Regroup terms.

{p}^{2} p^{2} x

2) Use product rule.

{p}^{2 + 2} x

3) Simplify 2 × 2 to 4.

p ^{4} x

Therefor, the answer is p⁴x

5 0
2 years ago
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What is the difference between Glasgow and Copenhagen. (Glasgow= -7.8 Copenhagen=-3.8)
spayn [35]

Answer:

36

Step-by-step explanation:

because it is

3 0
3 years ago
We have a jar of coins, all pennies and dimes. All together, we have 309 coins, and the total value of all coins in the jar is $
Vinvika [58]

There are 130 pennies in the jar

Step-by-step explanation:

We have a jar of coins

  • All coins are pennies and dimes
  • There are 309 coins in the jar
  • The total value of all coins in the jar is $ 19.2

We need to find the number of pennies in the jar

Assume that there are p pennies and d dimes in the jar

∵ There are p pennies and d dimes in the jar

∵ There are 309 coins in the jar

∵ All the coins in the jar are pennies and dimes

∴ p + d = 309 ⇒ (1)

∵ The total value of all coins in the jar is $ 19.2

∵ $1 = 100 cents

∴ $19.2 = 19.2 × 100 = 1920 cents

∵ 1 penny = 1 cent

∵ 1 dime = 10 cents

∴ p + 10 d = 1920 ⇒ (2)

Now we have system of equations, we can solve them to find p

∵ p + d = 309 ⇒ (1)

∵ p + 10 d = 1920 ⇒ (2)

- Multiply equation (1) by -10 to eliminate d

∵ (-10)(p) + (-10)(d) = (-10)(309)

∴ -10 p - 10 d = -3090 ⇒ (3)

Add equations (2) , (3)

∴ -9 p = -1170

- Divide both sides by -9

∴ p = 130

There are 130 pennies in the jar

Learn more:

You can learn more about the system of equations in brainly.com/question/3739260

#LearnwithBrainly

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3 years ago
Perform the following calculation: (–16) – (–42)
Viefleur [7K]
That equals, positive 26
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3 years ago
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