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mihalych1998 [28]
3 years ago
14

Select the true statement about triangle ABC.

Mathematics
1 answer:
zmey [24]3 years ago
3 0

Answer:

C

Step-by-step explanation:

sin C=12/13

cos A=12/13

so sin C=cos A

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A man purchased a magazine at the airport for $2.69. The tax on the purchase was $0.13. What is the tax rate at the airport? The
alexdok [17]

We need to find the percent, let's start but making the equation.

The price is 2.69

The tax cost is 0.13

So what percent of 2.69 is = 0.13.

Equation: X/100 x 2.69 = 0.13

Multiply each side by 100 so we can get x alone with the price: 2.69x = 13

Now to get x alone, we must divide both sides by 2.69: x = 4.8

Finally, we just round 4.8 to the nearest whole number, which is 5 (5 or above give it a shove, 4 or below let it go, we have 8 so we give it a shove). This means that the answer will be 5%.

I hope this helps! :)

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3 years ago
Nikolai has a jar filled with 120 marbles. he has 72 red marbles, 17 blue marbles, 13 green marbles, and 18 purple marbles. what
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To find the probability of both of these occurring, you will multiply the probability of choosing a blue marble by the probability of choosing a purple marble (with no replacement after the first one).

Probability of choosing a blue marble:  17/120
Probability of choosing a purple marble: 18/119

17/120 x 18/119 = 3/140

You will have a 3/140 chance of both of these occurring.
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3 years ago
Need help with number 13
Taya2010 [7]

Answer:

What's the question?

Step-by-step explanation:

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PLZ HELP 100 POINTS A triangle has two sides with lengths 7 m and 12 m.Which of the following lengths could represent the length
Vinil7 [7]

Answer:

7, 10, 17

Step-by-step explanation:

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As a rule, the measure of a side of a triangle must be less than the sum of the measures of the 2 other sides

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