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Pani-rosa [81]
3 years ago
14

Shaniqua can read at a speed of 50 pages per hour. She reads 275 pages one weekend. How many hours does she read?

Mathematics
2 answers:
Step2247 [10]3 years ago
6 0
5.5 hours                                                                                                                                                  this is what i got
Burka [1]3 years ago
5 0
275/50=5.5
She read for 5 and a half hours
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30m = 6000 Find m
Ilia_Sergeevich [38]

Answer:

m = 200

Step-by-step explanation:

30 m = 6000 Divide both sides by 30

30 m / 30 = 6000 / 30

m = 200

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3 years ago
Solve the following systems of inequalities and select the correct graph: 2x-y>4 x+y< -1
Serga [27]

Answer:

Step-by-step explanation:

2x - y > 4 ⇒ y < 2x - 4

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3 years ago
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The simple interest on a certain sum of money for 2 years at 5% per annum is Rs 320. What will be the compound interest on the s
Brilliant_brown [7]

Answer:

Rs 328

Step-by-step explanation:

Find the <u>principal</u> amount invested.

<u>Simple Interest Formula</u>

I = Prt

where:

  • I = interest earned
  • P = principal
  • r = interest rate (in decimal form)
  • t = time (in years)

Given:

  • I = Rs 320
  • r = 5% = 0.05
  • t = 2 years

Substitute the given values into the formula and solve for P:

⇒ 320 = P(0.05)(2)

⇒ 320 = P(0.1)

⇒ P = 3200

<u>Compound Interest Formula</u>

\large \text{$ \sf I=P\left(1+\frac{r}{n}\right)^{nt} -P$}

where:

  • I = interest earned
  • P = principal amount
  • r = interest rate (in decimal form)
  • n = number of times interest applied per time period
  • t = number of time periods elapsed

Given:

  • P = 3200
  • r = 5% = 0.05
  • n = 1 (annually)
  • t = 2 years

Substitute the given values into the formula and solve for I:

\implies \sf I=3200\left(1+\frac{0.05}{1}\right)^{2} -3200

\implies \sf I=3200\left(1.05\right)^{2} -3200

\implies \sf I=3200\left(1.1025\right) -3200

\implies \sf I=3528-3200

\implies \sf I=328

Therefore, the compound interest on the same sum for the same time at the same rate is Rs 328.

7 0
2 years ago
Is the measure of Z1 equal to the measure of Z2?<br> Why?
VMariaS [17]

Answer:

Angles with the same measure are congruent, so Z1 = Z2.

Step-by-step explanation:

5 0
3 years ago
A circle has an arc of length 24pi that is intercepted by a central angle of 80 degrees. what is the radius of the circle?
SashulF [63]
Circumference = 2pi r

80/360 x 2pi x r = 24pi
r = 54
8 0
3 years ago
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