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dimaraw [331]
2 years ago
12

Compare the backpack weights for the students in the three classes.

Mathematics
1 answer:
Lina20 [59]2 years ago
5 0
Seventh graders backpacks weigh less than Eleventh graders back packs
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C and D are mutually exclusive events. Find P(C or D).<br> P(C)= 3/7= P(D)= 4/7<br> P(C or D)
IgorLugansk [536]

Answer:

P(C\ or\ D) = 1

Step-by-step explanation:

Given

P(C) = \frac{3}{7}

P(D) = \frac{4}{7}

Required

P(C\ or\ D)

Since the events are mutually exclusive, then:

P(C\ or\ D) = P(C) + P(D)

So, we have:

P(C\ or\ D) = \frac{3}{7} + \frac{4}{7}

Take LCM

P(C\ or\ D) = \frac{3+4}{7}

P(C\ or\ D) = \frac{7}{7}

P(C\ or\ D) = 1

3 0
2 years ago
What is the slope of a line perpendicular to the line whose equation is 6x+y=66x+y=6. fully reduce your answer?
shepuryov [24]
It looks like your equation repeated twice. I'm assuming it's 6x + y = 6.

I'm going to put your equation into slope-intercept form: y = - 6x + 6.

For the slope to be perpendicular, we do the opposite reciprocal of the slope given. So your slope of a perpendicular line is 1/6. 
8 0
3 years ago
Write the slope-intercept form of the equation of the line through the given point with the given
gizmo_the_mogwai [7]

Step-by-step explanation:

18. y-(-2) = -6(x-2)

y+2 = -6x+12

y = -6x+12-2

y = -6x+10

19. y-(-4) = -½(x-4)

y+4 = -½x+2

y = -½x+2-4

y = -½x-2

8 0
2 years ago
To convert a capacity of 8.7 gallons to quarts which ratio could you multiply by
guajiro [1.7K]
<span>A- 4 quarts over 8.7 gallon 

B- 1 gallon over 4 quarts 

C- 8.7 gallons over 4 quarts 

D- 4 quarts over 1 gallon</span><span>Update: </span><span>Remember that 1 gallon = 4 quarts

</span>
6 0
2 years ago
If they are going 12 miles per 1/3 hour . What is the average speed per hour in miles
jasenka [17]

Answer:

12 miles per (1/3) hour equals

36 miles per hour

Step-by-step explanation:

3 0
2 years ago
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