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4 years ago

janine bought a portable CD player for $75. if the sales tax is 5%,what is the total cost of the CD player

Mathematics

1 answer:

Marina CMI [18]4 years ago

3 0

Answer

78.75

Step-by-step explanation:

75.00 × 0.05

= 78.75

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you drink a beverage with 120mg of caffeine each hour the caffeine in your system decreases by about 12% how long until you have

Arte-miy333 [17]

Answer::

Step-by-step explanation:

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3 years ago

PLEASE HELP! 50 POINTS ON THE LINE!

MAVERICK [17]

Answer: hello! I'm here to help.

Let's work the problem using just the thousands and leave the zeros off. We'll add them back at the end.

Let M be the salary of the Master's degree, and B be the salary of the Bachelor's degree.

M + B = 120

M + 39 = 2B

M = 2B - 39

2B - 39 + B = 120

3B - 39 = 120

3B = 159

B = 53

M = 120 - B = 120 - 53 = 67

<h2>PLEASE BRAINLIEST! :)</h2>

8 0

3 years ago

M(9, 8) is the midpoint of mc005-1.jpg The coordinates of S are (10, 10). What are the coordinates of R? a (8, 6) b (9.5, 9) c (

trasher [3.6K]

Let point R be (x₁, y₁) and Point S(10, 10) be (x₂, y₂)

Midpoint is given by $( \frac{x_1+x_2}{2}, \frac{y_1+y_2}{2})$

We know that the midpoint is (9, 8)
We will use this to evaluate the value of (x₁, y₁)

$\frac{x_1+x_2}{2}=9$
$\frac{x_1+10}{2}=9$
$x_1+10=18$
$x_1=8$

$\frac{y_1+y_2}{2}=8$
$\frac{y_1+10}{2}=8$
$y_1+10=16$
$y_1=6$

Point R (x₁, y₁) = (8, 6)

Correct answer: A

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4 years ago

In a group of 26 children, there were 12 girls. Which is the ratio of girls to boys in simplest form?

SVETLANKA909090 [29]

26 - 12 = 14 boys

girls : boys = 12 : 14 = 6 : 7

5 0

3 years ago

Read 2 more answers

Find f. f ''(x) = −2 + 36x − 12x2, f(0) = 8, f '(0) = 18 f(x) =

Alik [6]

Integrate <span>f ''(x) = −2 + 36x − 12x2 with respect to x:

f '(x) = -2x + (36/2)x^2 - (12/3)x^3 + c. Find c by letting x = 0 and using f(0)=8.

Then f '(0) = -2x + 18x^2 - 4x^3 + c = 18 (which was given).

Then -0 + 0 - 0 + c = 18, so c = 18 and

f '(x) = </span>-2x + 18x^2 - 4x^3 + 18.

Go through the same integration process to find f(x).

8 0

3 years ago

janine bought a portable CD player for $75. if the sales tax is 5%,what is the total cost of the CD player​

janine bought a portable CD player for $75. if the sales tax is 5%,what is the total cost of the CD player