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Novosadov [1.4K]
3 years ago
12

Sam bought two CDs for $13 each. Sales tax for both CDs was $3. Write an expression to show how much Sam paid in all.

Mathematics
2 answers:
gizmo_the_mogwai [7]3 years ago
8 0
Let's see...
13x2+2x3

is it good?
aev [14]3 years ago
4 0
13x2. 13 is how much the cds cost. 2 is how many she is buying. 13x2 is 26. Check 13+13=26.26-13=13.
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Which of the following best describes the graph below?
Klio2033 [76]

Answer:

<h2>Option (B)</h2>

Step-by-step explanation:

<h3>(b). It's a many-to-one function.</h3>

8 0
2 years ago
“If a population is growing at a rate of 3% per year, how long will it take to double? Show work.”
LenaWriter [7]
24 yrs, might not be the answer

3%=0.03 you have to get to 6%=0.06

So you find the value of each month in 3%

So 3% divided by 12 months = 0.0025

Now you have the value of each month MULTIPLY until you get 0.06
So: 0.0025 x 1, 2, 3, 4,…….. and so forth

So the your result will be

0.0025per months x 24yrs = 0.06 = 6%

24 years
6 0
3 years ago
48 = 2(2w)+(4+2w)2. What Is w
crimeas [40]

Hello from MrBillDoesMath!

Answer:

w = 5



Discussion:

48 = 2 (2w) + (4 + 2w)2       =>

48 = 4w        + 4*2 + (2w)*2  =>

48 = 4w       +  8    + 4w        =>   as 4w + 4w = 8w

48 =  8w      +  8                    => subtracting 8 from each side

48 - 8 = 8w                            => divide both sides by 8

(48 -8 )/8 = w                        =>

40/8 = w                                =>

w = 5                                      =>


Check:  2(10) + ( 4 + 2*5)*2 = 20 + 14*2 = 20 + 28 = 48




Thank you,

MrB

6 0
3 years ago
I need help with this problem
Sergio039 [100]
The answer is 57765363535366355336
6 0
3 years ago
Read 2 more answers
What do you know about the side lengths and trigonometric ratios in special right triangles
TEA [102]

Explanation:

This looks like an essay question with no right answer.

__

There are two "special" right triangles:

  isosceles 45°-45°-90° triangle with sides in the ratios 1 : 1 : √2

  30°-60°-90° triangle with sides in the ratios 1 : √3 : 2

These side lengths give rise to the trigonometric ratios shown below for angles with 30°, 45°, or 60° as reference angles.

6 0
3 years ago
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