2 years ago

Mike spins the spinner and flips the coin what is the probability that he spins green and flips heads

Mathematics

2 answers:

dedylja [7]2 years ago

6 0

Step-by-step explanation:\\\\\\\\\\\

Luden [163]2 years ago

5 0

I think d if not my bad

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The sum of the first n terms of an arithmetic sequence is n/2(4n + 20).

lesantik [10]

Answer:

(a).

$S_{n} = \frac{n}{2} (4n + 20) \\ \\S _{n - 1} = \frac{(n - 1)}{2} (4n - 4 + 20) \\ \\ S _{n - 1} = \frac{(n - 1)}{2} (4n + 16) \\ \\S _{n - 1} = \frac{(n - 1)(4n + 16)}{2} \\ \\ { \boxed{S _{n - 1} = {2 {n}^{2} + 6n - 8}}} \\$

(b).

from general equation:

$S _{n - 1} = \frac{(n - 1)}{2} (4n + 16)$

first term is 4n

common difference:

$16 = \{(n - 1) - 1 \}d \\ 16 = (n - 2)d \\ d = \frac{16}{n - 2}$

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3 years ago

In a rectangle ABCD, A and B are the points (4,2) and (2,8) respectively l. Given that the equation of AC is y=x-2. Find the equ

Nastasia [14]

Hello,

A=(4,2)
B=(2,8)

(AB)≡y-2=(x-4)*(8-2)/(2-4) ==> y=-3x+14
(BC)≡y-8=(x-2)*1/3 ==> y=1/3 x+22/3

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3 years ago

Callie surveyed 40 students at her school to see how many have dogs and/or cats. She found that 40% of students who have dogs, d

irina [24]

I think you need to show the tablle

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3 years ago

Plz answer me will mark as brainliest

nekit [7.7K]

Answer:

c.1,2.3.5.7.11.13.17.19.23.29.31.37.41.43.47.53.59.61.67.71.73.79.83.89.97

d.no for example 9

e.no for example 2

f. 7,1,3,9

Step-by-step explanation:

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3 years ago

HELP WILL MARK YOU BRAINLIEST

erma4kov [3.2K]

Answer:

r = 11

Step-by-step explanation:

mDG and mGM must add up to mDM

Step 1: Set up equation

mDG + mGM = mDM

r + 5 + 3r - 14 = 35

Step 2: Solve for r

Combine like terms: 4r - 9 = 35

Add 9 to both sides: 4r = 44

Divide both sides by 4: r = 11

3 0

3 years ago

Read 2 more answers