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Fiesta28 [93]
3 years ago
7

How do you find sin 30 of a unit circle?

Mathematics
1 answer:
Gwar [14]3 years ago
5 0
Go to where 30 degrees is on the unit circle and find the y-coordinate. That is sin30.
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Solve the system of equations. <br>5y-4x = -7 <br>2y+4y = 14​
timofeeve [1]

Answer:

5y-4x= -7 :

Slope = \frac{1.600}{2.000} = 0.800

<em>x </em>- <em>intercept =  </em>\frac{7}{4} = 1.75000

<em>y - intercept =  - </em>\frac{7}{5} =  -1.40000  <------both of these numbers a negative

----------------------------------------------

2y+4y = 14 :

<em>y = </em>\frac{7}{3} = 2.333

----------------------------------------------

<em>Hope this helped & good luck <333</em>

3 0
3 years ago
Manchu has drawn a
timama [110]

Answer:

Height of each triangle: 14cm

Area of each triangle: 168cm²

Step-by-step explanation:

So we know that the base of the area is 24. Lets find the height.

336 ÷ 24 = 14

If he makes two triangles out of the rectangle that just means he cuts it in half.

To find the area of one triangle lets do:

336 ÷ 2 = 168

Let's double check our answer:

(14 × 24) ÷ 2 = 168

Seems great!

6 0
3 years ago
Some algae contains up to 50% oil by weight. How much oil is in a 7.3-ounce sample of this type of algae?
frutty [35]

Answer: 3.65

Step-by-step explanation:

This question is asking basically what is 50% or 1/2 of 7.3.

Let's expand the number 7.3

Then, we end up getting 7.30.

We have to find 1/2 of 7.30.

\frac{1}{2} of 7.30 = 3.65

Hope this helps you!

5 0
2 years ago
The chart below shows the rabbit and fox populations in Boxerville over the last year. Of the choices below, in which month were
Nady [450]
August would be the correct answer.
jus look at the graph, the blue and orange r the closest together in august
3 0
3 years ago
Which value is equivalent to 12 + 24 ÷ 3? A) 8 B) 12 C) 20 D) 36
Montano1993 [528]

Answer:

c.20

Step-by-step explanation:

first step:24÷3=8

final step: 12+8=20

5 0
3 years ago
Read 2 more answers
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