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yanalaym [24]
2 years ago
13

Which two expressions can be used to answer this question? 45% of the 647 students at Royal Oak High attended the football game.

How many students did not attend? A) 647 - 0.45(647); 0.55(647) B) 647 - 0.45(647); 0.45(647) C) 647 + 0.45(647); 0.45(647) D) 647 - 0.55(647); 0.55(647)
Mathematics
2 answers:
Serhud [2]2 years ago
5 0
A. since 45% of 647 is 291.15 and those are the students that attended so subtract that from the total and you get 355.85 or rounded to 355 because you cant have .85 of a person. Plus 100%-45%=55% so .55 of 647 are the ones who didn't attend
steposvetlana [31]2 years ago
3 0

Answer:

A.

Step-by-step explanation:

45% = 0.45 and 55% = 0.55.

To find the number of students who attended to the game we multiply the percentage by the total amount of students: 0.45(647). Then, the number of students who did not attend  is subtract the total and the number of students that attended: 647 - 0.45(647) = 355.

Other way is find the percentage of students who did not attend, that is 100-45 = 55% and with the same process of number of students who attended find the number of students who did not attend: 0.55(647) = 355.

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Which statement describes the end behavior of the function f\left(x\right)=\frac{1}{7}\left(x-4\right)+^3?
shusha [124]

Answer is

B.) As x approaches negative infinity, f(x) approaches positive infinity.

4 0
3 years ago
A rock is in the shape of a sphere with a radius of 5.08 centimeters. The rock has a density of 5.5 grams per cubic centimeter.
SIZIF [17.4K]

The mass of the rock is 3020.27 grams , if a rock is in the shape of a sphere with a radius of 5.08 centimeters and the rock has a density of 5.5 grams per cubic centimeter,

Step-by-step explanation:

The given is,

            Radius of the rock is 5.08 cm (Sphere)

            Density of rock 5.5 grams per cubic centimeters

Step:1

           Formula for volume of sphere,

                               Volume, V= \frac{4}{3} \pi r^{3}..........................(1)

          Where, r - Radius of sphere

          From the given values,

                          r = 5.08 cm

          Equation (1) becomes,

                                    V= \frac{4}{3} \pi (5.08)^{3}

                                    V= \frac{4}{3} (3.1415) (5.08)^{3}

                                        = \frac{4}{3} (3.1415) (131.097)

                                    V = 549.14 cubic centimeters

Step:2

          Mass of rock = Volume of rock × Density of rock

                                = 549.14 × 5.5          ( ∵ cm^{3} (\frac{ gram}{cm^{3}} )  = gram )

                                = 3020.27 grams

  Mass of the rock = 3020.27 grams

Result:

      The mass of the rock is 3020.27 grams , if a rock is in the shape of a sphere with a radius of 5.08 centimeters and the rock has a density of 5.5 grams per cubic centimeter,

6 0
3 years ago
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Answer:

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Step-by-step explanation:

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6 0
2 years ago
Read 2 more answers
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3 years ago
Find the volume and surface area of the square pyramid
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The volume and surface area of the pyramid will be 392 / 3 cubic units and 189 square units. Then the correct option is A.

The complete question is attached below.

<h3>What is the volume and surface area of the pyramid? </h3>

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brainly.com/question/23302816

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4 0
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