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schepotkina [342]
3 years ago
7

suppose sin(A)=2/5. Use the trig identity sin^2(A)+cos^2(A)=1 to find cos(A) in quadrant 1. Round to ten-thousandth.

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

Answer:

about0.9165

Step-by-step explanation:

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8. Lilly paid $19.16 for a 1kg apple basket. This amount includes a tax of 3%. What was the cost of the apple before tax?
Maslowich

Answer:

19.75. The apples cost 19.75 before the tax.

Step-by-step explanation:

0.97(x)=19.16

19.75

7 0
3 years ago
How do you do this u don't understand
Elden [556K]
You have to make the denominator the same: 40
35/40 + 32/40 = 67/40
7 0
3 years ago
Which formula describes the following geometric sequence? Remember that n represents the term number.
anzhelika [568]
The formula on nth term is l=ar^(n-1)
The 1st term is 2 & r,the ration =3

Then is 2x3^(n-1). Mind you (n-1) is an exponent on 3
3 0
3 years ago
Read 2 more answers
Sandy drove 55 miles per hour to Orlando. Write a function rule that relates the number of miles traveled to the hours driven. ​
zloy xaker [14]

The function rule that relates the number of miles traveled to the hours driven is d = 55t

<h3>What is speed?</h3>

Speed is the ratio of distance traveled by a body to the time taken.

The formula for calculating distance is expressed as:

  • distance = speed * time

  • Speed s = d/t

Given that the speed is 55 miles per hour

55 = d/t

Cross multiply

d = 55t

Hence the function rule that relates the number of miles traveled to the hours driven is d = 55t

Learn more on speed function here: brainly.com/question/14101278

3 0
3 years ago
What does d equal ?? ​
Vlad1618 [11]

Answer:

<h2>d = 23</h2>

Step-by-step explanation:

∠IHE and ∠GHF are vertical angles.

Vertical angles have the same measures (are congruent).

Therefore, if m∠IHE = d + 44 and m∠GHF = 4d - 25, then we have the equation:

d + 44 = 4d - 25         <em>subtract 44 from both sides</em>

d + 44 - 44 = 4d - 25 - 44

d = 4d - 69            <em>subtract 4d from both sides</em>

d - 4d = 4d - 4d - 69

-3d = -69          <em>divide both sides by (-3)</em>

-3d/(-3) = -69/(-3)

d = 23

7 0
3 years ago
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