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Lapatulllka [165]
3 years ago
11

ms. keeling has eighty trick or treaters visit her house. twenty-five percent are vampires. fifteen percent are pirates. twenty

percent are comics. the rest are witches or ghosts. how many of each type of costume were there?
Mathematics
1 answer:
Gemiola [76]3 years ago
6 0

Answer:

add then divide

Step-by-step explanation:

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see i don't mind giving my points away..Can anyone help me solve this though for a brainlest and extra points?​
victus00 [196]

Answer:

a=17\sqrt{2}

Step-by-step explanation:

As we have 2 of the angles, we can find the third. The measure of the third angle is 45 degrees.

As this is the same measure as the other, that means that the side length will be the same.

Now was have two side lengths of 17 in a right triangle, so we can use the Pythagorean theorem to find a.

Recall that the pythagorean theorem states: a^2+b^2=c^2

In this case, a is 17, b is 17, and c is a

Knowing this, we can input our value into this formula and solve for a.

17^2+17^2=a^2\\\\289+289=a^2\\\\a=\sqrt{578} \\\\a=17\sqrt{2}

6 0
3 years ago
Read 2 more answers
Teague is participating in a 50K run to raise money for a charity. He has already raised $102 and will receive $1.40 for each ki
Volgvan
He has to run 45 kilometers
3 0
3 years ago
Please help it’s due today
alexandr402 [8]

Answer:

Angle <u>A</u><u> </u>= 15°

use angle properties of triangle to solve this.

7 0
3 years ago
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12x - 5 = 8x - x + 50<br> Help please show work and check the solution
Inga [223]

Answer:

x = 11

Step-by-step explanation:

12x - 5 = 8x - x + 50 \\ 12x - 5 = 7x + 50 \\ 12x - 5 - 7x = 7x + 50 - 7x \\ 12x - 7x - 5 = 50  \\ 5x - 5 = 50 \\ 5x - 5 + 5 = 50 + 5 \\ 5x = 55 \\ x = 11

and check:

12(11) - 5 = 8(11) - (11) + 50 \\ 132 - 5 = 77 + 50 \\ 127 = 127

3 0
3 years ago
An electric motor uses 6kw at an efficiency of 63%. How much power does it deliver?
r-ruslan [8.4K]
The delivered power is:
6\times0.63=3.78
The answer is 3.78kW.
7 0
3 years ago
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