The monthly cost of a certain long distance service is given by the linear function y=0.08x+ 8.95 where Y is in dollars and X is the amount of time in minutes called in a month. Find and interpert the slope and y-intercept of the linear equation

Answers

Answer 1

Answer:

Answer:3747

Step-by-step explanation:

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A patio has a length of 8 feet and a width of x + 2 feet . Write and expression in simplest form for the perimeter of the patio

Answers

Answer:

2(x + 10)

Step-by-step explanation:

The perimeter is all the sides added together so you times the length by 2, (8 × 2 = 16). Then the width by 2 ( 2 × (x+2) = 2x + 4) add them together

16 + 2x + 4

2x + 20

take out the highest common factor of 2

2(x + 10)

A box of candy weighs 340.23 grams and costs $18.99. if 1 gram is approximately 0.03527 ounces, what is the unit price per ounce of the candy?

Answers

340.23 / 0.03527 =9,646.44
$18.99 / 9,646.44 = .0019686
340.23 / 18.99 = 17.91
17.91 x .0019686 = .0352576

You decide to put $175 in a savings account to save for a $3,000 down payment on a new car. If the account has an interest rate of 3% per year and is compounded monthly, how long does it take you to earn $3,000 without depositing any additional funds?. 8.0111 years.
96.1332 years.
93.2914 years.
94.8377 years

Answers

The correct answer is:

94.8377 years

Explanation:

The formula for compound interest is

$A=p(1+(r)/(n))^(nt)$ , where A is the total amount, p is the amount of principal deposited, r is the interest rate as a decimal number, n is the number of times per year the interest is compounded, and t is the number of years.

For our problem, A = 3000; p = 175; r = 3% = 3/100 = 0.03; n = 12; and t is unknown:

Divide both sides by 175:

We will use logarithms to solve this. The base of the exponent is 1.0025, so this will be the base of the log:

$\log_(1.0025)((120)/(7))=12t$

Divide both sides by 12:

3 % = 0.003 : 12 = 0.0025
175 · ( 1 + 0.0025 )^(12 x) = 3,000
175 · (1.0025)^(12 x) = 3,000
1.0025^(12 x ) = 17.142857
$12 x = log _(1.0025) 17.142857$
12 x = 1138.0524
x = 1138.0524 : 12
x = 94.8377
Answer: D ) 94.8377 years

1. Select all the sums that are positive.0-5+(-2)
0 5+(-2)
0-3+4
O 0+(-3)
-2-(-4)
ILL MARK BRAINLY

Answers

Answer:

the 2nd, 3rd, and 5th are your positive sums

Which letter in the word happy has an order 2 rotational symmetry

Answers

The letter H is the only one in the word "happy" that has the rotational simmetry on the order of two. In fact, if you rotate the letter H 180° clockwise or counterwise, it will still look the same; it is called "on the order of two", exactly because you've rotated it 180° (two rotations of 90°).

Answer

Letter H

Explanation
The order of symmetry is the number times an object appears exactly the same when rotated about a certain axis.
From the word HAPPY, only letter H will have 2 order of symmetry.
When rotated at 180°, It will look exactly the same.
A, P, P and Y have only 1 order of symmetry.

Divide 7/15 by 3/5.

A. 21/75B. 75/21C. 7/25D. 7/9

Answers

Your answer would be A. 7/9

Because 7/15 ÷ 3/5 = (7 × 5) / (3 ×15) = 7/9

7/15 divided by 3/5

7/15 / 3/5

Keep ====> 7/15

Change =====> *

Flip ====> 5/3

Now multiply

7/15 * 5/3 = 35/45

35/45 = 7/9

Answer: 7/9

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