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Kryger [21]
3 years ago
7

Janie has \$3$3dollar sign, 3. She earns \$1.20$1.20dollar sign, 1, point, 20 for each chore she does and can do fractions of ch

ores. She wants to earn enough money to buy a CD for \$13.50$13.50dollar sign, 13, point, 50.
Write an inequality to determine the number of chores, ccc, Janie could do to have enough money to buy the CD.
Mathematics
2 answers:
madreJ [45]3 years ago
8 0

Answer:

9

Step-by-step explanation:

13.50 - 3 = 10.50

1.20×8 = 9.60 = not enough

1.20×9= 10.80 = more than enough

She has to do 9 chores to have enough money including the 3 dollar she already has

Sergeu [11.5K]3 years ago
5 0

Answer:

Step-by-step explanation:

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Maria bought seven boxes. a week later half of her boxes were destroyed in a fire. There are now only 22 boxes left. with how ma
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She started with x boxes.
Then she bought 7 more, so now she has x + 2.
Then half of the boxes were destroyed.
She now has (x + 7)/2.
She has 22 boxes.

(x + 7)/2 = 22

x + 7 = 44

x = 37

She started with 37 boxes.

6 0
3 years ago
Seth wants to buy a new skateboard that cost $230.55 if he earns $8.70 an hour pulling weeds how many hours will have to work to
lutik1710 [3]

Answer:

230.55/8.70 = 26.5 hours (round as appropriate)

3 0
3 years ago
according to the information that comes with a certain prescription drug, when taking this drug, there is a 24% chance of experi
sergij07 [2.7K]

There is 46% probability of experiencing neither of the side effects.

<h3>What is probability ?</h3>

Probability shows possibility to happen an event, it defines that an event will occur or not. The probability varies from 0 to 1.

Given that,

While taking drug, chances of experiencing nausea (n)= 24 %,

Chances of experiencing decreased sexual drive (d) = 46 %.

Also, there are 60% chances of experiencing both side effects.

Use vain diagram to solve this type of questions,

Total chances of experiencing side effects = 8 + 30 + 16 = 54

The chances of experiencing neither of the side effects = 100 - 54 = 46

So there is 46% probability of experiencing neither of the side effects.

To know more about Probability on:

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4 0
1 year ago
Suppose there is 6% sales tax. How much would you pay for bag of candy with a price tag
dimulka [17.4K]
The answer would be $2.12.

The equation for this problem would look like… 2 x 1.06.
6 0
3 years ago
Help please! Math Nation Section 6 Test Yourself Practice Tool.
aalyn [17]

Answer: D)  y=-5(x-5)^2+1125

Step-by-step explanation:

Let x be the number of $2 increases in price and y be the revenue.

By using the given table , lets check all the options

A) y=(x+5)^2-1125

For x=1, y=1045

y=(1+5)^2-1125=36-1125=-1089\\\\But\ 1045\neq-1089

B)  y=(x-5)^2+1125

For x=1, y=1045

y=(1-5)^2+1125=14+1125=1139\\\But\ 1045\neq1139

C)   y=-5(x+5)^2-1125

y=-5(1+5)^2-1125=-5(36)-1125=-1305\\\\But\ 1045\neq-1305

D) y=-5(x-5)^2+1125

y=-5(1-5)^2+1125=-5(16)+1125=1045

Hence, this is the quadratic equation that models the data.

3 0
3 years ago
Read 2 more answers
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