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vladimir1956 [14]
3 years ago
7

Karen has 216 role-playing game cards. His goal is to collect all 15 sets of cards. There are 72 cards in a set. How many cards

does kareem need to reach his goal?
Mathematics
1 answer:
Nimfa-mama [501]3 years ago
4 0
He needs 864 more cards
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Nine increased by a number
Alina [70]
increased: add/addition ( + ) \\ Number: z


9 + z \\ or \\ z + 9

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7 0
3 years ago
Mis wants to earn 2,000 in her job at a bicycle store. She is paid $55 for each bicycle she tunes up. The minimum number of bicy
Natali [406]

Answer:

Step-by-step explanation:

ok. you said 2000 and 2500 so I'll just solve for both.

this is very simple, mis/mia wants to earn 2000/2500 so let's solve

this can be done two ways. an equation way, or a dividing way. I personally like the dividing way.

2000 divided by 55= 36.36-- so she will have to tune up 37 bicycles

2500 divided by 55= 45.45-- so she will have to tune 46 bicycles. this is because 46 bicycles, times the amount of money == just a little over 2500 so she has reached  her goal

3 0
3 years ago
Mercedes is going to have her car fixed. Cairo Prince Auto Tech charges $45 for an estimate plus $24 per additional hour of work
strojnjashka [21]
Cairo's cost is modeled by 45 + 24h
Tarantino's is modeled by 30h

For h = 6:
Cairo = 45 + 24*6 = 189
Tarantino = 180

For h = 7
Cairo = 45 + 24*7 = 213
Tarantino = 210

For h = 10
Cairo = 45 + 24*10 = 285
Tarantino = 300

\boxed{2\ and\ 4\ are\ true.}
8 0
3 years ago
The mean length of long-distance telephone calls placed with a particular phone company was known to be 7.8 min under an old rat
yarga [219]

Answer:

H0: μ = 7.8

Ha: μ > 7.8

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above;

Let μ represent the true mean length of long-distance calls after the rate reduction

The null hypothesis is that true mean length of long-distance calls after the rate reduction is the same and equal to 7.8 minutes

H0: μ = 7.8

The alternative hypothesis is that the true mean length of long-distance calls after the rate reduction have increased that is greater than 7.8 minutes

Ha: μ > 7.8

5 0
3 years ago
Help me solve the simultaneous linear inequalities
Sav [38]

Answer:

The inequality form is -4<x<u><</u>-2

The Interval Notation is (-4, -2]

I hope this helps!

4 0
2 years ago
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