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andreyandreev [35.5K]
3 years ago
10

40. Kaitlin bought $34.40 worth of compact discs. The sales tax is 6.5%. What was the total cost rounded to the nearest cent?

Mathematics
1 answer:
galina1969 [7]3 years ago
6 0

Answer:

$34.64

Step-by-step explanation:

Change 6.5% into a decimal. (6.5)/100

Multiply $34.40 by .065. (.065)*(34.40)

Add $34.40 and 2.236. (34.40)+(2.236)

Round 36.636 to the nearest hundredth place.

You have your answer. ($36.64)


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What is the equation of the line with a y-intercept of −10 and a slope of 3
Anika [276]

Step-by-step explanation:

we have y intercept -10

and slope 3

we know the equation of line in slope -intercept form

y=mx+b

where m is slope and b is y-intercept

so the final equation would be

y=3x-10

5 0
3 years ago
What is the mode of the data set?<br><br> A. 8<br> B. 9<br> C. 10<br> D. 5
Lunna [17]

Answer:

A: 8

Step-by-step explanation:

The mode is the value that appears most frequently in a data set. A set of data may have one mode, more than one mode, or no mode at all. ... The mode can be the same value as the mean and/or median, but this is usually not the case

7 0
3 years ago
Ms. Thomas is saving up to buy a new phone. She has already saved $200 and adding $50 per month to her saving account. She wants
melomori [17]

Answer:

Step-by-step explanation:

The inequality equation can be determined by using the concept of arithmetic progression;

a(n) = a₁ + (n-1)d

where;

a(n) = 1000

a = 200

d = 50

The inequality will be:

1000 = 200 + ( n - 1) 50

1000 = 200 + 50n - 50

1000 = 150 + 50 n

1000 - 150 = 50 n

850 = 50 n

n = 850/50

n = 17 months

So, if Ms. Thomas is planning to have more than $1000 in her account, she will need to save for 17 moths before she can buy the phone.

5 0
2 years ago
Please help me please will give brainliest ​
alisha [4.7K]

Answer:

16\sqrt{17}

Step-by-step explanation:

The perimeter is two times width plus two times length:

2\sqrt{17} + 2\cdot 7\sqrt{17} = 2\sqrt{17} + 14\sqrt{17} = 16\sqrt{17}

There is no way to simplify further.

3 0
3 years ago
Answer quickly for 50 points, thank you.
Kaylis [27]

The incorrect answer is B.

All you have to do is plug in x to the formulas and see if the are equal.

4x - 2 = 3x + 6

4(8) - 2 = 3(8) + 6

30 = 30

CORRECT


The second is not only not equal, but it is the wrong kind of formula for what you are trying to prove there.

Hope that helps!

6 0
3 years ago
Read 2 more answers
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