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Alinara [238K]
4 years ago
10

If you could help me from #15 Thanks

Mathematics
1 answer:
KatRina [158]4 years ago
7 0
I am sorry but I can not see this image. Sorry XD
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matrenka [14]

Answer:

a

Step-by-step explanation:

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3 years ago
The winning times for a race are shown in the table.
bonufazy [111]

Answer: The winning time increased by an average of 0.4 second per year from year 2 to year 4.

8 0
3 years ago
1. 5 M 20 CM of cloth is needed to stitch a shirt how much clothes will be needed to stitch 449 shirts
Ratling [72]

#1

Length in cm

  • 500+20=520cm
  • Shirts=449

Total length

  • 449(520)
  • 233480cm
  • 2334m 80cm

#2

Total notes

  • 425-412+1=14

Total money

  • 100(14)
  • 1400

|

Total suits per month=120

per year

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Total 5mins

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6 0
2 years ago
(a) Find an angle between 0° and 360° that is coterminal with – 120°.
Novay_Z [31]

Answer:

a)  240\degree

b) \frac{15\pi}{4}

Step-by-step explanation:

<u>Coterminal angles</u> have the same terminal sides in standard position.

a) To find an angle between 0\degree and 360\degree, that is coterminal with -120\degree, we keep adding multiples of 360\degree until we get an angle within the specified range.

 -120\degree \implies -120\degree +360\degree=240\degree.

In some cases you would have to subtract in order to get the specified angle. That is when the angle given is positive.

b) This time we want to find an that coterminal with \frac{15\pi}{4} radians.

We keep subtracting multiples of 2\pi until we get an angle measure within the specified range.

\frac{15\pi}{4}=\frac{15\pi}{4}-2\pi=\frac{7\pi}{4}

4 0
3 years ago
Evaluate the expression<br> 5(4)^2\20+9^2
arsen [322]
5 \times  \frac{ 4^{2} }{20} +9^{2} \\ \\ 5 \times  \frac{16}{20} + 9^{2} \\ \\ 5 \times  \frac{16}{20} + 81 \\ \\  \frac{80}{20} + 81 \\ \\ 4 + 81 \\ \\ 85 \\ \\ Answer: \fbox {85}
3 0
3 years ago
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