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Hitman42 [59]
3 years ago
13

Marcus sleeps 60 hours a week this is 5 times as many hours as he plays chess. How many hours a week does Marcus play chess?

Mathematics
2 answers:
Crazy boy [7]3 years ago
5 0

Answer:

12

Step-by-step explanation:

60/5

jek_recluse [69]3 years ago
3 0

Answer: 12 hours a week

Step-by-step explanation:

60/5 = 12

Since he plays chess 5 times the amount of time he sleeps, simply divide the amount of time he sleeps by 5.

Correct me if I am incorrect.

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Supposed Blue spruce was included in the list and the mean decreased to 165 what is the height of the Blue spruce?
postnew [5]
The height of the blue spruce was 45.

We find the mean by adding all of the data points and dividing by the number of data points.  We will add the unknown value x and change the number we're dividing by to 7:

(160+320+100+110+200+220+x)/7 = 165
(1110+x)/7 = 165

Multiply both sides by 7:
1110 + x = 1155

Subtract 1110 from both sides:
x = 45
7 0
3 years ago
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The pair of points is on the graph of an inverse variation. find the missing value. (5,4) and (x,7)
d1i1m1o1n [39]
One form of the relation of inverse variation is y = k/x.

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Next:  Let y = 7 and find the corresp. value of x:  7=20/x, or 7x=20, or

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3 years ago
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A ball is drawn at random from a container that holds 8 yellow balls numbered 1 to 8, 6 orange balls numbered 1 to 6, and 10 gra
Margarita [4]
A)

total of balls = 8+6+10= 24 balls 

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B) 

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6 0
3 years ago
Can someone plz help with 7-8 plz ASAP will give 10 points and mark brainliest
Crazy boy [7]

7. c

8. d

those are the answers

114 + 70 + n ≥ 200

184 + n ≥ 200

n ≥ 200 -184

n ≥ 16

8 0
3 years ago
I need to know how to solve this
otez555 [7]

Answer:

Traaingle =180°

H=90°

C=180-90-40=50°

X=180°-C°-H°

180-50-90=40°

X=40°

8 0
4 years ago
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