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antiseptic1488 [7]
3 years ago
8

13 A scout group has a raffle to raise money for charity,

Mathematics
1 answer:
diamong [38]3 years ago
6 0

Answer:

29%

Step-by-step explanation:

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Which of the following angles is in the solution set of sec^2θ - 3secθ - 2 = 0 for 0° ≤ θ < 360°.
STALIN [3.7K]
1 / cos^2 O - 3 / cos O - 2 = 0
1 - 3 cos O -  2 cos^2 O = 0

2 cos^2 O + 3 cos O - 1 = 0

cos O = 0.2807 , -1.78   ( -1.78 cannot be a solution)

O = 74 degrees  (from  0.2807) another solution is 360-74 =  286 degrees

Its D
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3 years ago
The distance around a circular pool is 39.25 m. How does the lifeguard have to walk from the edge of the pool to the centre of t
Marysya12 [62]

Answer:

d = 6.246 m

Step-by-step explanation:

Given that,

The distance around a circular pool is 39.25 m.

We need to find how does the lifeguard have to walk from the edge of the pool to the centre of the pool. It means we need to find the radius r of the circle.

ATQ,

Circumference = 2πr = 39.25 m

r is radius

r=\dfrac{39.25 }{2\pi}\\\\r=6.246\ m

So, the required distance is 6.246 m.

4 0
3 years ago
A polynomial is factored using algebra tiles. An algebra tile configuration. 0 tiles are in the Factor 1 spot and 0 tiles are in
MatroZZZ [7]

Polynomials consist of both indeterminates and coefficients. The polynomial that was factored in is x² - 2x - 8.

<h3>What are polynomials?</h3>

A polynomial consists of both indeterminates and coefficients and involves mathematical operations such as addition, subtraction, multiplication, and division.

Given to us

1 is labeled x squared,

2 are labeled x,

4 tiles below x squared are labeled negative x,

8 tiles below the x tiles are labeled negative.

As we know that algebra tiles are the tiles that represent variables or coefficients. Also, the shape of the tiles can be rectangle or square.

These tiles can be represented as,

1 is labeled x squared, = x²

2 are labeled x,  = 2x

4 tiles below x squared are labeled negative x = -4x

8 tiles below the x tiles are labeled negative = -8

Sum all the terms we will get,

x² + 2x - 4x - 8

x² - 2x - 8

Hence, the polynomial that was factored in is x² - 2x - 8.

Learn more about Polynomials:

brainly.com/question/17822016

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2 years ago
0.125 in a fraction form 
Yakvenalex [24]
0.125=\frac{125}{1000}=\frac{1 \times 125}{8 \times 125}=\boxed{\frac{1}{8}}
4 0
4 years ago
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How many line segments are needed to make a row of six triangles
Tanzania [10]
18 line segments also for faster and better u can 6 times 3 since there is already three in a triangle.
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