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BaLLatris [955]
2 years ago
7

30 points. Please help!!

Mathematics
2 answers:
Tju [1.3M]2 years ago
8 0
It would be D I think I’m not to sure though
yarga [219]2 years ago
4 0

Answer:

c

Step-by-step explanation:

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B E D M A S  MEANS BRACKETS EXPONENTS DIVISION MULTIPLICATION ADDITION AND SUBTRACTION
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Show that sinxtanx=1-cos^2x/cosx
yawa3891 [41]
LHS: = \sin x \tan x =  \frac{\sin x \sin x }{\cos x} =  \frac{\sin^2 x}{\cos x} (using \tan x =  \frac{\sin x}{\cos x})

We know \sin^2x + \cos^2x = 1 \Rightarrow \sin^2x=1-\cos^2x so we can replace the sin²x in the LHS expression as follows

\frac{\sin^2x}{\cos x} =  \frac{1-\cos^2x}{\cos x} which is the RHS.
7 0
2 years ago
Question 5(Multiple Choice Worth 4 points) Which number is the largest? 1.2 × 104, 4.5 × 10−3, 3.8 × 103, 7.5 × 103 1.2 × 104 4.
Andrew [12]

Answer:

  • 1.2 × 10^4

Step-by-step explanation:

<u>Which number is the largest? </u>

  • 1.2 × 10^4
  • 4.5 × 10^-3
  • 3.8 × 10^3
  • 7.5 × 10^3

The first one is the largest as it has the greatest power

8 0
3 years ago
Urgent i need it 20 points for whoever that does it
PIT_PIT [208]

Answer:

C

Step-by-step explanation:

Took the test

4 0
2 years ago
In 2002, a robot explored a tunnewl 210 feet long inside the
zvonat [6]

Answer:

y= 10x

Step-by-step explanation:

In 2002, a robot explored a tunnel 210 feet long inside the

Great Pyramid in Egypt. The robot could travel about 10 feet per

minute.

The speed of the robot is 10 feet per minute

we need to find the equation for giving distance y

the robot travel in x minutes

to time is x minutes

Distance = speed x time

speed=10, distance is y and time is x

y= 10x

3 0
3 years ago
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