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Viktor [21]
3 years ago
7

Please help me with question b) and please explain!!look at the attached image

Mathematics
2 answers:
Mama L [17]3 years ago
5 0
8/100x25/1=200/100=2/1=2

So that means 2 more squares have to be shaded to fill 8% of the grid

So 13+2=15
natta225 [31]3 years ago
4 0

Answer:

17

Step-by-step explanation:

let x be the number of boxes to be shaded to make it 80%

x = 80% of total number

= 80/100 of 25

= 80/4

= 20

So 20 need to be shaded to fill 80%

Now, 13 of the grids are already shared so the amount of more squares that need to be shaded = 20-13

= 17 squares

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Well, this will give them a correct exchange, this is because if you round 1.35261 to the nearest hundredth 1 euro would be one dollar and 35 cents. I hope this helped!
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The sum of the interior angles of an n-gon is 180° (n - 2). A) True B) False
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Solve |-3| 3 -3 -1 9
stiks02 [169]

Answer:

The absolute value of -3 is 3.

Step-by-step explanation:

Absolute value is the distance between a number and zero on a number line. To solve for absolute value, solve inside the absolute value sign (it is also a grouping symbol), and if it is positive, the number inside is the absolute value. If it is negative, remove the negative sign to get your answer.

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3 years ago
There are 8 members on a board of directors. If they must form a subcommittee of 3 members, how many different subcommittees are
Katyanochek1 [597]

Answer:

56 possible different subcommittees

Step-by-step explanation:

This is a combination problem.

In combination probability, the formula is;

nCr = n!/((n - r)! × r!)

Now, out of the 8 members on the board of directors, they now want to form a subcommittee of 3 members.

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3 0
3 years ago
How long is the arc intersected by a central angle of startfraction pi over 2 endfraction radians in a circle with a radius of 4
Nimfa-mama [501]

<u>7.1 cm  long is the arc</u><u> intersected by a central angle .</u>

What is length of an arc?

  • The arc length of a circle can be calculated with the radius and central angle using the arc length formula.
  • Length of an Arc = θ × r, where θ is in radian. Length of an Arc = θ × (π/180) × r, where θ is in degree.

Given,

Central angle = π / 2

radius = 4.5 cm

we apply formula of length of arc.

length of the arc = angle ×  radius

                              = (π/2) × (4.5 cm)

Now put value of π = 3.14

length of the arc = (3.14 / 2) × (4.5) cm

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Therefore, 7.1 cm  long is the arc intersected by a central angle .

Learn more about<u> </u> length of an arc

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1 year ago
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