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professor190 [17]
2 years ago
5

HELP!

Mathematics
1 answer:
Alekssandra [29.7K]2 years ago
7 0

Answer:

Step-by-step explanation:

Since we have given that

Quadrant with radius 16 inches and angle 90° .

Since there are two quadrants:

So, Perimeter of quadrants is given by

Perimeter of this figure is given by

Hence, Second Option is correct.

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A glass ball is packed in the box shown. Which expression represents the volume of foam padding needed to fill the space in the
zhuklara [117]

Answer: (27- 4/3 pi) r^3

Step-by-step explanation: 1. Volume of a cube: V= a^3,  V= 3^3 , V=27

2.  Volume of a sphere: V=4/3 pi r^3 ......

5 0
3 years ago
Ms. Mor ris has 35 tests to grade this weekend. Mrs. Cook has 80% more tests than that to grade this weekend. How many tests doe
Serga [27]

Answer:

Mrs. Cook has to grade 63 tests.

Step-by-step explanation:

In order to find the answer, first you have to calculate 80% of the number of tests Ms. Morris has:

35*80%= 28

Then, you have to add the number that represents 80% to the number of tests Ms. Morris has to grade:

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8 0
2 years ago
The cost, y, of red apples can be represented by the equation y = 2x, where x
Temka [501]

Answer:

red apples

Step-by-step explanation:

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1 lb of red apples is 2

6 0
2 years ago
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4 0
2 years ago
Use the Change of Base Formula to evaluate log3 48. Then convert log3 48 to a logarithm in base 5. Round to the nearest thousand
Romashka [77]

Answer:

Log 48 base 3 on changing base is3.524 and log X base 5 on solving is290.385

Step-by-step explanation:

Given log48 base 3

To change the base to natural logarithm for easy simplification

Log M base n is equal to log M /log n

Hence log3 48= log48/log 3= 1.6821/0.4771= 3.524

Changing to base 5

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log5 X=3.524

Recall that loga b=x

a^x=b

So

5^3.524=290.385 =X

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3 years ago
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