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Arte-miy333 [17]
3 years ago
9

A pair of jeans is marked 25% off. If the original price is $31.50, what is the discount amount that will be taken off of the or

iginal price?
Mathematics
1 answer:
Tresset [83]3 years ago
5 0

Answer: $7.88

Step-by-step explanation: Twenty five percent of 31.50 is 7.875.

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5. Carlos collected tickets to concerts he went to. This year he went to 4 concerts. He has now been to 17 concerts. If zequals
irga5000 [103]

Answer:

The answer is 17=t

Step-by-step explanation:

If you add the tickets you get 17=t. Good luck.

5 0
2 years ago
This right triangular prism has a base with an area of 15 square feet. The height of the prism is 7 feet. What is V, the volume
frez [133]

Answer:

area =  {15}^{2}  \\ v =  \: l \times b \times h \\ area = l \times b = \\   x \times x =  {15}^{2}  \\ volume = 15 \times h \\  = 15 \times 7  \\  =  {105}^{3} feet

3 0
3 years ago
a distribution for the last difit of phone numbers sampled from a phone book for the phone number 968-9667 the last difit 7 woul
lisov135 [29]

Answer:

The answer is "Option D".

Step-by-step explanation:

Please find the attached file of the complete question:

In this question, the last choice "Histogram IV" is correct because it would be roughly evenly distributed.

7 0
2 years ago
Use the elimination method to solve the system of equations.<br><br>3x-5y= -16<br><br>2x+5y=31
Sholpan [36]
5x = 15
x = 3

3(3) - 5y = -16
9 - 5y = -16
5y = -16 - 9
5y = - 25
y = - 5

(3, -5)
8 0
3 years ago
1. What is a perfect square? 2. What is the square root of 4x²? 3. What is the square root of 25? 4. Factor 4x² + 20x + 25.
Ulleksa [173]

Answer:

Step-by-step explanation:

1) A perfect square is a whole number which is a product of a smaller whole number and itself. Examples of perfect squares are

4(2 × 2)

9(3 × 3)

16(4 × 4)

25(5 × 5)

36(6 × 6)

2) Square root of 4x² is 2x(product of square root of 4 and square root of x²)

3) square of 25 is 5

4) 4x² + 20x + 25

The general formula for solving quadratic equations is expressed as

x = [- b ± √(b² - 4ac)]/2a

From the equation given,

a = 4

b = 20

c = 25

Therefore,

x = [- 20 ± √(20² - 4 × 4 × 25)]/2 × 4

x = [- 20 ± √(400 - 400)]/8

x = [- 20 ± 0]/8

x = - 20/8

x = - 2.5

3 0
3 years ago
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