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Harrizon [31]
2 years ago
6

The number 20 is no less than the difference of 4 times a number c and 8.

Mathematics
1 answer:
sammy [17]2 years ago
5 0

Answer:

20 >= 4*c - 8

Step-by-step explanation:

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Trig help please!!! This is due tomorrow. If you don’t mind could you please explain how you do it
vivado [14]

Answer:

The larger acute angle is equal to 50.8 degrees.

Step-by-step explanation:

Let's solve for both of the acute angles for the purpose of checking our work at the end with angle A being the top angle and angle B being the one on the base of the triangle (that's not the 90 degrees one). Determining whether to use sin/cos/tan comes from SOH-CAH-TOA.

A = cos^-1 (2√6/2√15)

However, you need to move the radical out of the denominator by multiplying √15 to the numerator and denominator. You should come up with (2√90)/30. So,

A = cos^-1 (2√90/30) = 50.768 degrees.

B = sin^-1 (2√90/30) = 39.231 degrees.

Now, we can check the work by adding the 2 angles to 90 and, if it comes to 180, it's right.

cos^-1 (2√90/30) + sin^-1 (2√90/30) + 90 = 180.

If you have any questions on where I got a formula or any step, feel free to ask in the comments!

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3 years ago
University theater sold $525 tickets for a play. Tickets cost &21 per adult and $12 per senior citizen. If total receipts we
Kamila [148]
620.25 u calculate 7443 and divide that by 12
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3 years ago
Help me with this pls
vladimir1956 [14]

Answer:

Is there any more information about the question?

Step-by-step explanation:

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3 years ago
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Evaluating express<br> 6<br> Evaluate 13 + - when y = 6.<br> y
Step2247 [10]

Step-by-step explanation:

how i think this question is

13+ -y

y=6

= 13 + -6

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therefore the answer is 7

7 0
3 years ago
What is 4 times as much as 20.075? show work
choli [55]

Answer:

80.3

Step-by-step explanation:

20.075 x 4 = 80.3

Hope that helps!

5 0
2 years ago
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