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Helen [10]
3 years ago
5

Introduction To TrigonometryNO LINKS PLEASE ​

Mathematics
1 answer:
Sonbull [250]3 years ago
6 0

Answer:

sin(R)=6/sqrt(97)

Step-by-step explanation:

Sine is opposite/hypotenuse

If you want to know what the angle is, Angle R= about 37.5

Hope this helps

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Calculate the area and the circumference of the circle
tiny-mole [99]

Circumference = 2 x radius x Pi

Circumference = 2 x 0.8 x pi

Circumference = 1.6pi or 5.024 yards


area = r^2 x pi

Area = 0.8^2 x pi

Area = 0.64pi or 2.0096 square yards

6 0
2 years ago
Read 2 more answers
What error did Clyde make? And what is the correct simplified form
romanna [79]

Answer:

Clyde added -8+(-2), your supposed to multiply -8*(-2) the answer is j^16

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
A microwave oven costs $124.85 before it is marked down. If it is marked down by 63%, what is its new price, to the
Aleksandr [31]

Answer:

D ($46.19)

Step-by-step explanation:

$124.85 * (100% - 63%)

= $124.85 * 37 %

= $124.85 * 0.37

= 46.1945

= $46.19 (to the nearest cent)

Hope this helped!

5 0
2 years ago
Read 2 more answers
2x-7=8x-47-(3x-14)/2
jok3333 [9.3K]
2x - 7 = 8x - 47 - (3x - 14) / 2
combine like terms
0= 6x - 40 - (3x-14)/2
(3x-146) / 2
isolate x
x=22/3

your final answer would be x=22/3


5 0
3 years ago
roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz. which best describes the percent of increase in
laila [671]

The percentage of increase in Roberto score is 14.87%, if Roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz.

Step-by-step explanation:

The given is,

               Roberto score on math quiz at last week is 74

               This week he made an 85 on the quiz

Step:1

            Formula to calculate the percentage of increase the score,

                  Percentage of increase = \frac{Final score-Starting score}{Starting score} × 100...........(1)

            From the given,

                  Final score = 85

                  Starting score = 74

           Equation (1) becomes,

                  Percentage of increase =( \frac{85-74}{74}) ×  100

                                                       = (\frac{11}{74}) ×  100

                                                       = 0.1486486  ×  100

                                                       = 14.86486 %

                                                      ≅ 14.87 %

              Percentage of increase = 14.87 %

Result:

        The percentage of increase in Roberto score is 14.87%, if Roberto made a 74 on last weeks math quiz. this week he made an 85 on the quiz.

                                                                   

         

7 0
2 years ago
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