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Llana [10]
3 years ago
8

Suzanne bought a sofa for d dollars and paid 8% sales tax, write two different expressions that represent the total number of do

llars, including tax, that Suzanne spent, and show or explain why the expressions are equivalent.
Mathematics
1 answer:
Art [367]3 years ago
3 0

If the answer below helps you please consider making it brainliest as it helps me out.

Answer:

d + (d • 0.08)

d(1+0.08)

Let’s say that d is equal to 50.

50 + (50 • 0.08) = 54

50(1+0.08) = 54

Hope this helps!

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is x-1 taking away an x or adding an x?? im trying to find the perimeter of area tiles, and the perimeter is x + x + x + (x-1) +
Vanyuwa [196]

Answer:

4x + 2

Step-by-step explanation:

x - 1 is adding an x and subtracting a 1 ,so

x + x + x + (x - 1) + 1 + 1 + 1

= x + x + x + x - 1 + 1 + 1 + 1 ← collect like terms

= 4x + 2

3 0
2 years ago
HELP!<br> Find the Area of the triangle
Zigmanuir [339]

Answer:

A ≈ 65.8 m²

Step-by-step explanation:

Given 2 sides and the angle between them then the area (A) is

A = \frac{1}{2} bc sinA

   = 0.5 × 19.9 × 10.7 × sin38.17°

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6 0
3 years ago
What is the value of p+9 when p=16​
Tasya [4]

Answer:

25 :)

Step-by-step explanation:

well, if it's p+9 and you know that p=16 then you plug 16 in for p so the equation will be 16+9 and then you solve from there which is 25

4 0
3 years ago
23.49 is 27% of what number?
Digiron [165]

Answer: 100

Step-by-step explanation: 100 divided by 27= 0.27, 23.49x0.27= 6.34.

5 0
2 years ago
Read 2 more answers
Express 78 billion in scientific notation
ryzh [129]

Answer:

7.8 * 10^{10} is scientific notation of 78 billion

Step-by-step explanation:

For scientific notation , follow the following notation:

a * 10^{b} -------->(equation 1)

Let,  a^{'} = 78 billion

a^{'} = 78000000000

a^{'} = 78000000000.0

In standard form

a = 7.8000000000

or

a = 7.8

As decimal point move 10 places from right to left, therefore

b = 10

Put the value of 'a' and 'b' in (equation 1)

7.8 * 10^{10} is scientific notation of 78 billion

6 0
4 years ago
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