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yuradex [85]
4 years ago
10

Help with math problem

Mathematics
1 answer:
Illusion [34]4 years ago
6 0
1 = 2ml
2= 35kg
3=18tcp
4=350mcg
5=5oz
6= not sure 
7 = 10tsp
8=1mcg

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2tan(45-A)/1+tan^2(45-A)=cos2a
AVprozaik [17]

Answer:

Let θ = (45 - A)°.

=> 2Tanθ/ 1 + Tan²θ

=> 2Sinθ/Cosθ / 1 + Sin²θ / Cos²θ

=> 2Sinθ/Cosθ/ Cos²θ + Cos²θ / Cos²θ

=> 2Sinθ/Cosθ/ 1 / Cos²θ

=> 2SinθCos²θ/Cosθ

=> 2SinθCosθ  

=> Sin2θ

But we assumed θ = (45 - A)°,

=> Sin2(45 - A)

=> Sin(90  - 2A)  (∵ Sin(90 - θ) = Cosθ)

=> Cos2A

= R.H.S

Hence proved.

Step-by-step explanation:

3 0
3 years ago
The box on the left is 8 inches long 8inches wife and 8 inches tall what is the surface of the box
Georgia [21]
So the box is rectangular prism of 8x8x8, namely a cube with all sides of 8 units long.

check the picture below, the cube is just 6 squares stacked up to each other at the edges, and each square is a 8x8.

so, just get the area of all 6 squares, sum them up and that's the surface area of the box,  6(8*8).

5 0
4 years ago
Which transformation(s) can be used to map one
kirill115 [55]

The transformation(s) that can be used to map one triangle onto the other is : (C). dilation, then translation

<h3>Meaning of dilation and translation</h3>

Dilation can be defined as the process of compressing and reducing a shape to a particular scale

Translation can be defined as a process of transferring a shape from one point to another.

In conclusion, The transformation(s) that can be used to map one triangle onto the other is : (C). dilation, then translation

Learn more about dilation and translation: brainly.com/question/21369817

#SPJ1

4 0
2 years ago
In ΔRST, r = 52 cm, s = 55 cm and ∠T=48°. Find the length of t, to the nearest centimeter.
quester [9]

Answer:

44

Step-by-step explanation:

delta math

6 0
3 years ago
ari rents the bike for 4 hours, and meg rents the scooter for 3 hours. what is the total cost of the rentals?
iren2701 [21]

The computation shows that the total cost will be $66.

<h3>How to calculate the value?</h3>

From the information, Ari rents the bike for 4 hours, and meg rents the scooter for 3 hours.

The total cost will be:

= (4 × $9) + (3 × $10)

= $36 + $30

= $66

.

Therefore, the computation shows that the total cost will be $66.

Learn more about computations on:

brainly.com/question/4658834

#SPJ1

Complete question:

Ari rents the bike for 4 hours at $9 per hour and meg rents the scooter for 3 hours at $10 per hour. Calculate the cost.

8 0
1 year ago
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