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Lorico [155]
3 years ago
12

A chess set is on sale for $75.00, which is 40% off of its original price. What was the original price of the chess set?

Mathematics
1 answer:
neonofarm [45]3 years ago
5 0
Okay, to solve this, let's use the variable 'p' to represent the original price:
Because we know the amount of discount and the percentage off, we know that 60% of the original price is $75.
Knowing this, we can write an equation:
0.6p = 75
There are multiple ways to solve this, but I'll just use the method I prefer
6p = 750
p = 750/6
p = 125
The original price of the chess set was $125
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The strong tendency of certain minerals to break along smooth parallel planes is known as
SVETLANKA909090 [29]
It is called cleavage
6 0
3 years ago
Use the following image to assist in your answer.<br> a =<br> - 6<br> - 9<br> - 4
vfiekz [6]

Step-by-step explanation:

Pythagoras' theorem for the smallest one :

c^2 = 4^2 + 6^2

c^2 = 16 + 36

c^{2} = 52

Pythagoras' theorem for the middle one :

b^{2} = 6^{2} + a^{2}

Pythagoras' theorem for the biggest one :

(4+a)^2 = c^2 + b^2

16 + 8a + a^2 = 52 + b^2

Using the formula before (for b^2) it becomes :

16 + 8a + a^2 = 52 + (6^2 + a^2)

16 + 8a + a^2 = 52 + 6^2 + a^2

16 + 8a = 52 + 6^2

16 + 8a = 52 + 36

16+8a = 88

8a = 88-16

8a = 72

a = \frac{72}{8}

a = 9

Verifying :

b^2 = 6^2 + a^2

b^2 = 36 + 81

b^2 = 117

b^{2} = 117

The biggest one :

(4+a)^2 = c^2 + b^2

(4+9)^2 = 52 + 117

13^2 = 169

True

8 0
2 years ago
HELPPPPPPPPPP!!!!!!!!!!
juin [17]

Answer:

The last one

Step-by-step explanation:

measure angle 2 and 6 to see if congruent

4 0
2 years ago
A. Identify the percentage, rate and base.
Finger [1]

Answer:

1. rate = 30, base = 40, percentage = 12

2. rate = 6, base = 24, percentage = 25

3. rate = 16, base = 64, percentage = 25

4. rate = 4, base = 50, percentage = 20

5. rate = 75, base = 80, percentage = 60

Step-by-step explanation:

5 0
3 years ago
EASY BRAINLIEST PLEASE HELP!!
DedPeter [7]

Answer:

C. AB = 5.8 cm

Step-by-step explanation:

In trapezoid ABCD, EF is the Midsegment.

.:. EF = {(AB+CD)

.:: 9.2 = {(AB + 12.6)

:: 9.2 x 2 = AB + 12.6

.. 18.4 = AB + 12.6

.. 18.4-12.6 = AB

:: AB = 5.8 cm

6 0
2 years ago
Read 2 more answers
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