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Step2247 [10]
3 years ago
5

HELP ME!!!!!!!!!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Oliga [24]3 years ago
8 0

Answer:

C 1,844

Step-by-step explanation:

Debora [2.8K]3 years ago
8 0
C, this can be done with an approximate
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Im confused that's all - If 80% is 75 marks, what is full marks
never [62]

Let the full marks be represented by = x

As given, 80% of x is 75

So,

\frac{80}{100}*x=75

x= 80x=7500

x=93.75

Hence, full marks is 93.75

We can check also- \frac{80}{100}*93.75 =75


8 0
3 years ago
Find the measure of the central angle that you would draw to represent 67% in a circle graph. Round your answer to the nearest d
natima [27]
Circle=360 so
67%=67% of 360

percent means parts out of 100 so
67%=67/100=0.67

'of' means multiply
67% of 360=0.67 times 360=241.2

round
241

answer is 241 degrees
5 0
3 years ago
Colton bought a CD for $760 that earns a 3.8% APR and is compounded monthly. The CD matures in 3 years. How much will this CD be
4vir4ik [10]

Answer:

  $851.62

Step-by-step explanation:

The value multiplier wll be ...

  (1 +r/n)^(nt)

where r is the annual interest rate (3.8%), n is the number of compoundings per year (12), and t is the number of years (3). Filling in these numbers, we see the ending value will be ...

  A = $760(1 +.038/12)^(12·3) = $760(1.0031667^36) = $851.62

8 0
4 years ago
Find the area of the following circles. a. A circle with a 8-inch radius b. A circle with a 10-kilometer radius c. A circle with
Thepotemich [5.8K]
Area of a circle is A= \pi r^2.  The first one, a, the radius squared is 8*8=64.  So A=64 \pi.  If you multiply in pi as 3.14, you'll have 200.96 square inches.  The second one, b, the radius squared is 10*10=100.  So A=100 \pi square kilometers.  If you multiply in pi as 3.14 you'll have 314 square kilometers.  The third one, c, the radius squared is 14*14=196.  So A=196 \pi yd^2.  Or you could multiply in pi as 3.14 to get 615.44 yd squared.  For the last one, d, the radius squared is 22*22=484 cm.  Therefore, A=484 \pi cm^2, or multiply in 3.14 for pi to get 1519.76 cm squared.  There you go!
5 0
3 years ago
Read 2 more answers
Susan designed a circular pool with diameter of 25 meters. What is the area of the bottom of the pool?
wel

Answer: Area = 490.87  meters

Step-by-step explanation:

A=πr2

r = 12.5 (1/2 of diameter)

A = 490.87  meters

7 0
4 years ago
Read 2 more answers
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