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3 years ago

What is 5 and 39/50 as a improper fraction

Mathematics

1 answer:

schepotkina [342]3 years ago

7 0

Answer:

(195)/50

Step-by-step explanation:

so you do (5*39)/50

(195)/50

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What is the answer to this?

myrzilka [38]

Answer:r=3cm,diameter =6cm and C=18.84cm

Step-by-step explanation:

To find the radius,diameter and circumference according to the diagram drawn above

r=3cm

Diameter=2×3cm

d=6cm

To find the circumference

C=2πr

C=2×3.14×3cm

C=18.84cm

4 0

3 years ago

5 to the second power minus two (4-1)

PilotLPTM [1.2K]

Answer:

Step-by-step explanation: You have to do 5x5 because 5^2 mans there is two fives. Then you just subtract two

5x5=25

25-2=23

8 0

3 years ago

The Sweater Shack is offering a 20% discount on sweaters. If the regular price of a sweateris $15.00, what is the discount? /The

Eva8 [605]

Answer:

Question #1 It is three dollars of so the cost is $12

Question #2 The answer is 6

Question #3 21.25

Step-by-step explanation:

4 0

3 years ago

The data list shows the scores of ten students in Mr. Smith's math class. 61, 67, 81, 83, 87, 88, 89, 90, 98, 100 What is the st

anzhelika [568]

Sample standard deviation

Mean of data = 84.4

Calculate deviations from the mean = 23.4, 17.8, 3.4, 1.4, -2.6, -3.6, -4.6, -5.6, -13.6 and -15.6

Squaring these deviations; we get 547.56, 316.84, 11.56, 1.96, 6.76, 12.96, 21.15, 31.36, 184.96, 243.36

Adding these we get 1378.47

As its a sample Std Dev we divide by 10 - 1 = 9. For the popklation Std Dev we divide by the number of scores (10).

Std Deviation for sample = sqrt ( 1378.47 / 9) = 12.4 to nearest tenth (answer)

Population Std Dev = sqrt (1378.47 / 10) = 11.7 answer

Theres a lot of arithmetic there so hope i haven't slipped up anywhere!

6 0

3 years ago

What is the surface area of the prism A. 812 B. 1,190 C. 2,352 D. 132

seropon [69]

Answer:

B. 1,190 square cm

Step-by-step explanation:

For given prism:

l = 16 cm, w = 7 cm, h = 21 cm

Surface area of of the prism

$= 2 (lw + wh + hl) \\ = 2(16 \times 7 + 7 \times 21 + 21 \times 16) \\ = 2(112 + 147 + 336) \\ = 2 \times 595 \\ = 1190 \: {cm}^{2} \\$

4 0

3 years ago