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Anarel [89]
3 years ago
5

Which expression can be used to find the price of a $400 telescope after a 32% markup? Select all that apply. A. 400 • 0.32 B. 4

00 • 3.2 C. 400 • 1.32 D. 400 + 400(0.32) E. 400 • 400(1.32)
Mathematics
1 answer:
irina1246 [14]3 years ago
7 0

Answer:  Option 'C' is correct.

Step-by-step explanation:

Since we have given that

Original price of  a telescope = $400

Mark up percent = 32%

So, Price after mark-up is given by

400\times \frac{100+32}{100}\\\\=400\times \frac{132}{100}\\\\=400\times 1.32\\\\=\$528

Hence, Option 'C' is correct.

You might be interested in
Measurement of angle 1
OLEGan [10]

Answer:

55 degrees

Step-by-step explanation:

Given that a circle and inside two chords with same arc length.

We are to find the angle between the two chords.

Given that two arcs subtend angle 125 degrees at the centre.

Let us join the two ends of chords to make the figure as a triangle inside a circle.

The triangle is isosceles as two arcs and hence chords are equal.

By central angle theorem we have the two equal angles as 1/2 (125) = 62.5

Hence we have a triangle with two equal angles 62.5 and another angle 1.

By triangle sum of angles theorem

angle 1+62.5+62.5 = 180

Hence angle A = 180-62.5-62.5 = 55 degrees.

5 0
3 years ago
Determine an expression that would represent the area of the figure shown.
Alborosie

Answer:

Option A : 15x² + 62x + 63 is the correct answer.

Step-by-step explanation:

Given measurements of the figure are:

5x + 9 and 3x + 7

We have to find the area. We can find the area by multiplying the two expressions.

Area = (5x+9) * (3x+7)

Area = 5x (3x+7) +9(3x+7)

Area = 15x² + 35x + 27x + 63

Area = 15x² + 62x + 63

Hence,

Option A : 15x² + 62x + 63 is the correct answer.

8 0
2 years ago
Mr. Mandel gave his class 12 minutes to read. 5 1/2 pages in that time. At what rate, in pages per hour, did Claire read?
Eva8 [605]
5 1/2 pages in 12 minutes.
11/2 pages in 12 minutes 

How many pages in an hour?
well, an hour has 60 minutes

Let's write a proportion
11/2 / 12 = x/60
cross multiply
(11/2 * 60) = 12x
330 = 12x
divide both sides by 12
27.5 or 27 1/2 = x

27.5 pages per hour.

Hope this helps
8 0
3 years ago
Find the value of x<br> (6x + 7)°<br> (8x - 17)°
Vlad [161]
<h3>Answer:  x = 12</h3>

Explanation:

The two angles shown are vertical angles. This occurs whenever you have an X shape like this, and whenever the angles are opposite one another. Vertical angles are always congruent.

6x+7 = 8x-17

6x-8x = -17-7

-2x = -24

x = -24/(-2)

x = 12

6 0
3 years ago
What is the answer for this i need help!!??
11Alexandr11 [23.1K]

Answer:

-243

Step-by-step explanation:

{( - 3)}^{ - 5}  =  \frac{1}{x}  \\  \\  \therefore \:  \frac{1}{ {( - 3)}^{ 5} }  =  \frac{1}{x}  \\  \\ \therefore \:  {( - 3)}^{ 5} = x \\  \\ \therefore \:   - 243 = x \\  \\  \huge \red{ \boxed{\therefore \: x =  - 243}}

5 0
3 years ago
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