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ozzi
2 years ago
9

Find the original price. Round to the nearest cent. Sale price: $42 Discount: 30%

Mathematics
1 answer:
adelina 88 [10]2 years ago
6 0

Answer:

140

Step-by-step explanation:

Calculator Recommended:

100 / 30 = 3.3333333

Multiply it by 42 and you'll get the original cost.

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A watering can contained 512 quarts water. After all the plants were watered, only 4 cups remained. How many cups of water were
irga5000 [103]

Answer:

18 cups.

Step-by-step explanation:

7 0
3 years ago
Write the ratio of height of the building to the number of floors.​ Then, find the unit​ rate, and explain what it means in this
kicyunya [14]

Answer:

144:9

16

16 ft high

Step-by-step explanation:

Easy...could also be written as 144/9 or 144 to 9

Divide

Same thing

Hope this helps. Have a nice day

4 0
2 years ago
Read 2 more answers
B 5 3 a 4 What is the length of the hypotenuse of this triangle? 3 units 5 units 4 units​
Lunna [17]

Answer:

5 units

Step-by-step explanation:

The hypotenuse is always the longest segment on a triangle. If the lengths of the sides of this triangle are 3 units, 4 units, and 5 units, the hypotenuse will be 5 units. You can use the pythagorean theorem to check.

a^2+b^2=c^2

If you substitute the variable with the lengths of the legs in ascending order, you will get 3^2+4^2=5^2. Simplifying the equation, you will get 9+16=25, or 25=25. Thus, proving the equation.

Hope this helped! :)

6 0
3 years ago
I don’t get this can someone explain this
LekaFEV [45]

Answer:

15.7 units

Step-by-step explanation:

AB = 6, BC = 3

Therefore by Pythagoras theorem

AC = \sqrt{45}

perimeter \: of \:  \triangle \: ABC \\  = 6 + 3 +  \sqrt{45}  \\  = 9 + 6.70820393 \\  = 9 + 6.7 \\  = 15.7\: units

3 0
3 years ago
Which ordered pair is a solution of the equation?<br> y=7x-2y=7x−2
astra-53 [7]

Answer:

3

Step-by-step explanation:

7x-2y=3

7(1)-2(2)=3

7-4=3

3=3

5 0
2 years ago
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