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algol13
2 years ago
8

Given the value of the hypotenuse c for a 30°-60°-90° triangle, write the

Mathematics
1 answer:
zlopas [31]2 years ago
6 0

Answer:

a= c/2

b= (c/2)×√3

side b is the side with the 60 degree angle.

side a is the side with the 30 degree angle.

using the theorem that the side with the 60 degree × 2 = length of side c and the side with the 60 degree × √3 = b.

I get the following equations shown above.

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Please help me out !! ( I will mark brainliest)
lisov135 [29]

Question 1: The y-intercept is where the line crosses the y-axis. The increments of the y-axis is by 20, and the y-intercept is at (0, 20).

The slope is the change in y over the change in x. Find two points:

(0, 20) and (2, 80)

Now:

(80 - 20)/(2 - 0) = 60/2 = 30

Slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.

So:

y = 30x + 20

Question 2: Again, look for the y-intercept, which is pretty clear. It's (0, 60).

Now find two points:

(0, 60) and (2, 40)

Find the slope:

(40 - 60)/(2 - 0) = -20/2 = -10

So, the equation is:

y = -10x + 60

And, there you go!

3 0
3 years ago
3x - 20 = 4 PLEASE EXPLAIN HOW YOU GOT THE ANSWER IN STEPS!
sammy [17]

Answer:

x = 8

Step-by-step explanation:

3x - 20 = 4

add 20 to both sides

3x - 20 + 20 = 4 + 20

3x = 24

divide both sides by 3

\frac{3x}{3} = \frac{24}{3}

x = 8

7 0
2 years ago
286 mi in 5 1/2 hours as a unit rate
MA_775_DIABLO [31]
286 ÷ 5 1/2 hours = 286 ÷ 5.5 = 52 final answer
8 0
3 years ago
if the unit selling price is $2.50 and the unit cost is $1 what is the action needed to maintain the gross margin percentage whe
Nikolay [14]
The profit is originally 250% to maintain this you need to multiply the new unit cost by 2.5.
New unit cost $1.25. * 2.5 = $3.12.5
5 0
3 years ago
Please help i need you
Natali [406]
The answer is A.0

hope this helped
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2 years ago
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