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Elan Coil [88]
3 years ago
15

How to represent the number 50,679

Mathematics
1 answer:
grin007 [14]3 years ago
8 0
The answer is 50000+600+70+9
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What is the value of x?<br> (3x+ 30)<br> 20, 15, 25, 10
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The value of <em>x </em>in the equation, (3x + 30), is 10.

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If 10% off is 20 what is 23% off?
stepan [7]
23% off is 46 because 10%is 20 so 20% is 40 and 1% is 2 because 20/10 is 2 so the answe is 46
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100 points the right answer please the set designer for a play painted some background scenery on a large piece of plywood. He u
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Answer:

14 ft

Step-by-step explanation:

Focus on the triangle, and temporarily neglect the 2 ft measurement at the top of the triangle.  Then the 2 legs of the triangle have lengths h - 2 ft and 5 ft, and the hypotenuse is 13.

Applying the Pythagorean Theorem, we get:

13^2 =  (h - 2)^2 + 5^2, or

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I graphed this function on a calculator and found that -10 is a zero.  Thus, the function factors into (h + 10)(h - 14) = 0, or h = 14.

The total height of the piece of plywood is 14 ft.

Check this:  does a right triangle with legs (14 - 2) and 5 have a hypotenuse of 13?  Yes.

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3 years ago
There are 20 20 coins in a jar. Each coin is either a nickel or a quarter. If one of the coins is selected at random, the probab
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Step-by-step explanation:

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Cross multiplying, it becomes

x = 20 × 0.6

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Since there are 12 nickels inside the jar, then the number of quarters would be

20 - 12 = 8

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3 years ago
Ms. Hamby gave a quiz. Two students' work and the answer key are shown. Ms. Hamby accepts equivalent answers in any form. Part A
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Answer:

attach a picture

Step-by-step explanation:

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2 years ago
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