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lana [24]
3 years ago
14

Answer the following questions,

Mathematics
2 answers:
denis-greek [22]3 years ago
6 0

Answer:

95% of 80 is 76 and 85% of 60 is 51.

Step-by-step explanation:

andriy [413]3 years ago
5 0

Answer:

a. 76,  b. 60.

Step-by-step explanation:

a)  80 * 0.95 = 76.

b)   0.85 x = 51

x = 51/0.85 = 60.

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Find the square root of 201.64 by division method
Juli2301 [7.4K]

Steps involved in finding square root using division method:

  1. Group the digits of the number in pairs. You will start pairing from the decimal point and move away from the decimal point. E.g. for 201.64, first pair would be 2, second would be 01, and third would be 64 (see the attachment for visualizing)
  2. Now start with the first pair, and find the number whose square is equal to or just less than the first pair. So here, since first pair is 2, that number whose square is just less than or equal to 2 is 1. Now divide 2 by 1 , and also put 1 in the quotient.
  3. After this step, you will have 1 in quotient, and 1 in divisor with remainder of 2 - 1 = 1. Now bring down the next pair to join with the remainder. The resulting number now is 101
  4. Now, double the number that is there in the quotient (so 1 becomes 2) and use it to determine the new divisor for 101. The new divisor will be such that when the divisor is multiplied with its unit digit then the product is just less than or equal to 101 (i.e. 2x * x <= 101). So for x = 4, 24 *4 = 96, which is less than 101. Now append this 4 in the quotient. The quotient now become 14. And subtract 96 from 101 to find the remainder. The remainder now is 5
  5. We have now reached the decimal point in the dividend, so add a decimal point in the quotient
  6. Now bring down the next pair to join with the remainder. The resulting number now is 564
  7. Now, double the number that is there in the quotient (so 14 becomes 28) and use it to determine the new divisor for 564. The new divisor will be such that when the divisor is multiplied with its unit digit then the product is just less than or equal to 564 (i.e. 28x * x <= 564). So for x = 2, 282 *2 = 564. Now append this 2 in the quotient. The quotient now become 14.2. And subtract 564 from 564 to find the remainder. The remainder now is 0. Hence, we have completed the problem, and we have the square root with us
  8. The square root is the quotient obtained: 14.2

Please refer to the attached image to see how the calculations are done

5 0
3 years ago
Help please i really need it asap
Varvara68 [4.7K]
The expression coud be re written:

12x²y/2xy + 6xy/2xy + 4x²/2xy . Simplify numerator & denominator whenever it is possible:

6x-3+2x/y
3 0
3 years ago
Name a pair of adjacent angles. explain why they are adjacent. Name a pair of acute vertical angles. Name a pair of supplementar
Anna71 [15]
The 41° and the 90° are adjacent.  They are adjacent because they are touching each other side by side.  That is the angles SUR and SUT

Angle SUR is acute, because it is 41° and it less than 90°.  Same as angle  PUQ. Angle PUR = Angle SUR, both are vertically opposite, therefore PUR is also 41°. 

Angles TUQ and QUN are both supplementary because they both add up to 180°, which is the straight line TUN.
6 0
3 years ago
A sphere has a radius that is 12 centimeters long. Find the volume of the sphere. Round to the nearest tenth.
soldier1979 [14.2K]
To get the sphere, you have to do r^3 x pi x 4/3, and since the radius is 12, 12^3 x 3.14 x 4/3 = 7234.56. Rounded to the tenth would be 7234.6.
6 0
3 years ago
An object is moving at a speed of 7300 inches every 3 seconds. Express this speed in miles per day.
AleksAgata [21]

Answer:

Since there are 60 seconds in one minute, we can write this as 146,000 inches per minute. Since there are 60 * 60 = 3600 minutes in one day, we can write it as 525,600,000 inches per day. Since there are about 63360 inches in one mile, the answer is about 8295 miles per day.

4 0
4 years ago
Read 2 more answers
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