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mart [117]
3 years ago
8

Please anyone help me please with this?!!​

Mathematics
1 answer:
Brilliant_brown [7]3 years ago
7 0

Answer:

72.89 degrees

Step-by-step explanation:

tangent =  \frac{opposite}{adjacent}  \\ tangent =   \frac{13}{4}  \\ tangent = 72.89 \: or \: 72.9 \: degrees

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A $10 book is 50% off. What is the cost?
RoseWind [281]

Answer:

$5.00

Step-by-step explanation:

10 × 50/100

Discount = 10 x 0.5

You save = $5.00

7 0
2 years ago
Read 2 more answers
Five sixths divided by 3 equals what ​
rosijanka [135]

Answer: 5/18

<u>Do Keep Change Flip (KCF)</u>

Keep: 5/6

Change: ÷ into ×

Flip: 3/1 into 1/3

Your new problem should be: 5/6×1/3

<u>Multiply</u>

5/6×1/3=5/18

8 0
2 years ago
A crater shaped like a cone has a height of 24 yd and a diameter of 72 yd.
mezya [45]
The formula for the volume of a cone is (1/3)*area of the base * height. The base is a circle, whose area is pi times radius^2. Here this is pi * (r^2) = 3.14*(72 / 2 yd)^2 = 4069.44 yd^2. And so the volume is (1/3) * 4069.44 yd^2 * 24yd = 32,555.52 yd^3. I recommend that you find the most common formulas of the geometrical figures and make a flashcard that you can use at any moment.
5 0
3 years ago
Solve equations by using elimination <br> -4+5y= 13<br> X-5y=21<br> ( , )
tigry1 [53]

Answer:

y=17/5 ,x= 38

Step-by-step explanation:

-4+5y =13 add 4 both side

4-4+5y=13+4

5y=17

5y/5=17/5 y=17/5

x-5y=21

x-5(17/5)=21

x-17=21

x=21+17= 38

5 0
3 years ago
G(t)=(t+1) ^2-20.25 what are the zeros of the function
Vinil7 [7]

Step-by-step explanation:

g(t) = (t + 1)² − 20.25

0 = (t + 1)² − 20.25

20.25 = (t + 1)²

±4.5 = t + 1

t = -1 ± 4.5

t = -5.5 or 3.5

The zeros are (-5.5, 0) and (3.5, 0).

5 0
3 years ago
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