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Luden [163]
3 years ago
5

A company charges $0.10 for each letter engraved. Bobby plans to spend no more than $5.00 on the engraving on a jewelry box. Wri

te and solve an inequality to find the maximum number of letters he can have engraved
Mathematics
2 answers:
Bas_tet [7]3 years ago
5 0

Answer:

5.10$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$4$$4$$4$4$$$$$$

Step-by-step explanation:

joja [24]3 years ago
3 0

Answer:500

Step-by-step explanation: First, you must find the amount of cents in a dollar.(100)

Then find out how many times you can put 10 into 100. (10 times).

Now, multiply by the amount of dollars that is on your budget. In your case this is 5.

10 x 10 is 100. 100 x 5 is 500.

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A family eats at a restaurant. The bill is $56.75. They are pleased with service so they leave 22% tip. What is their total afte
nika2105 [10]
$69.24 is the correct answer because 56.75 multiplied by 1.22 is 69.24
7 0
3 years ago
Help me please if your good at maths
barxatty [35]

Answer:

a) n+5

6, 7, 8, 9, ..., 15

b) 2n-1

1, 3, 5, 7, ..., 19

3 0
3 years ago
Read 2 more answers
Explain why the polynomial 144x2 − 200x + 81 is not a perfect square.
Sloan [31]
The square root of 144x^2 = 12 x
and square root of + 81 = 9 or -9

if  this polynomial were a perfect square then its factors would be 
(12x - 9)(12x - 9)

but its not a perfect squre because (12x - 9)(12x - 9)  = 144x^2 - 216x + 81.
5 0
3 years ago
Consider a normal distribution curve where the middle 85 % of the area under the curve lies above the interval ( 8 , 14 ). Use t
NeTakaya

Answer:

\mu = 11

\sigma = 2.08

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

Middle 85%.

Values of X when Z has a pvalue of 0.5 - 0.85/2 = 0.075 to 0.5 + 0.85/2 = 0.925

Above the interval (8,14)

This means that when Z has a pvalue of 0.075, X = 8. So when Z = -1.44, X = 8. So

Z = \frac{X - \mu}{\sigma}

-1.44 = \frac{8 - \mu}{\sigma}

8 - \mu = -1.44\sigma

\mu = 8 + 1.44\sigma

Also, when X = 14, Z has a pvalue of 0.925, so when X = 8, Z = 1.44

Z = \frac{X - \mu}{\sigma}

1.44 = \frac{14 - \mu}{\sigma}

14 - \mu = 1.44\sigma

1.44\sigma = 14 - \mu

Replacing in the first equation

\mu = 8 + 1.44\sigma

\mu = 8 + 14 - \mu

2\mu = 22

\mu = \frac{22}{2}

\mu = 11

Standard deviation:

1.44\sigma = 14 - \mu

1.44\sigma = 14 - 11

\sigma = \frac{3}{1.44}

\sigma = 2.08

7 0
2 years ago
A flea treatment last 4 weeks. Jim's dog had to be treated every 3 weeks. How many weeks of flea treatment would Jim's dog get i
Reptile [31]

Answer:

Number of weeks in a year = 52 weeks

If in a normal year when each package of flea treatment lasts for 4 weeks, then in a year there Jim's dog will have to be treated for

Where as, when the fleas are bad in a year, the treatment lasts for only 3 weeks.

Then in a year Jim's dog would get

So Jim's dog will get 17- 13 =4 treatments more.

4 treatments that are made in 3 weeks each will be 4×3 =12 weeks more treatment

6 0
3 years ago
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