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Citrus2011 [14]
3 years ago
15

The spinner above is used in a game. What is the theoretical probability of the given event with one spin? P (5)

Mathematics
1 answer:
Sloan [31]3 years ago
5 0

Answer:

1 /8

Step-by-step explanation:

Given that :

Number of sections on spinner = (1,2,3,4,5,6,7,8) = 8

Number of 5's = 1

Recall :

Probability of event A = number required outcome / Total possible outcomes

P(5) = 1/8

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62.5% of what number is 25 ?
denis23 [38]


40

62.5% = 0.625

25 ÷ 0.625 = 40

25 is 62.5% of 40

8 0
3 years ago
4/9 times what equals 1?
ArbitrLikvidat [17]
4/9 *9/4 =1
Use the reciprocal to find your answer :)
Cheers :3
8 0
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What is the sum of the measures, in degrees, of the interior angles of a 16- sided polygon?
IRISSAK [1]

Answer: So the sum of all of the measures of the interior angles of a 16-sided polygon is 2520 degrees.

3 0
3 years ago
What are the solutions of the compound inequality -6<=2x-4<4? Graph the solutions
Nata [24]

-6\leq2x-4 < 4\qquad\text{add 4 to both sides}\\\\-2\leq2x < 8\qquad\text{divide both sides by 2}\\\\-1\leq x < 4

5 0
3 years ago
Find the value of c so that (x-5) is a factor of the polynomial p(x)
liubo4ka [24]

I think the question is

Find the value of c so that (x-5) is a factor of the polynomial

p(x) = x^3 + 2x^2 + cx + 10

The other factor is going to be some quadratic.  We can say a few things about its coefficients but let's start by saying in general it's

q(x)= ax^2 + bx + k

p(x) = (x-5)q(x)

x^3 + 2x^2 + cx + 10 = (x-5)(ax^2 + bx+k) = ax^3 + (b-5a)x^2 + (k-5b)x - 5k

Equating respective coefficients,

a=1

b-5a = 2

k - 5b = c

-5k = 10

so we get

b = 2 + 5 = 7

k = 10/-5 = -2

c = k - 5b = 2 - 5(7)= -37

Answer: -37

Check:

(x^2 + 7x - 2)(x - 5) = x^3 + 2 x^2 - 37 x + 10\quad\checkmark




7 0
3 years ago
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