3 years ago

Algebra 2 Question, tagged in the link

Mathematics

1 answer:

deff fn [24]3 years ago

7 0

The answer to the question

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19. A spherical balloon has a circumference of 19cm. what is the approximate surface area of the balloon to the nearest square c

Tamiku [17]

The main formula of a spherical surface area is SA= 4 x Pi x r²
the circumference is C= 19cm =2 Pi r, so r = C/ 2Pi = 19 / 6.28 =3.02cm
so the surface area can be found by computing
SA= 4x 3.14x 3.02² =114.5, the nearest square centimeter is A) 114 cm^2

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3 years ago

Use the circular mirror shown

aliina [53]

Multiply 15 x 3.14. You'll get 47.1. Thats the area

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2 years ago

: student council is selling tickets to the fall ball dance. Tickets cost $6.00 per person , or $10 per couple. To cover the exp

Mademuasel [1]

$6x + 10y \geqslant 1450$
This basically says that the total money made from tickets will be gretarr than or equal to $1450.

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3 years ago

Each of the 13 members of a basketball team bought a team emblem. The emblems cost the team 78 dollars. How much did it cost eac

Irina-Kira [14]

Answer:

Step-by-step explanation:

78/13=6

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3 years ago

Read 2 more answers

The shape of the solution region for the system (picture) can be described as which of the following? Select all that apply.

grandymaker [24]

We have
x>=-2
x<=6
y>=-1
y<=4

using a graph tool
see the attached figure

the solution is the figure of a rectangle limited by points
(-2,-1) (6,-1) (-2,4) (6,4)

the answer is
a rectangle
a parallelogram (rectangles are subsets belonging to the set of parallelograms)

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3 years ago