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Alenkinab [10]
3 years ago
5

PLEASE HELP! 15 POINTS TO BRAINLIEST!!!

Mathematics
1 answer:
Semenov [28]3 years ago
5 0

first one no second one no third one no frouth no fifth yes last one no

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Which car can travel at the slowest rate? Plz help fast
grigory [225]

Answer:

D


Step-by-step explanation:

Let's find unit rate of each (number of miles traveled in 1 hour). For that we will divide the distance by time to get the unit rate.

Note: rate=\frac{Distance}{Time}


(A)

rate = \frac{300}{4}=75 mph (miles per hour)

(B)

rate = \frac{450}{6}=75 mph

(C)

rate = \frac{750}{10}=75 mph

(D)

rate = \frac{800}{12}=66\frac{2}{3} mph


<u>As we can see, the first 3 rates are same, 75 mph, and the last one is 66\frac{2}{3} mph. So clearly, the last rate is the slowest.</u>

D is the right answer.

7 0
2 years ago
Read 2 more answers
FIND THE INDICATED PROBABILITY FOR THE FOLLOWING:
luda_lava [24]

The value of the probability P(A) is 0.40

<h3>How to determine the probability?</h3>

The given parameters about the probability are

P(A or B) = 0.6

P(B) = 0.3

P(A and B) = 0.1

To calculate the probability P(A), we use the following formula

P(A and B) = P(A) + P(B) - P(A or B)

Substitute the known values in the above equation

0.1 = 0.3 + P(A) - 0.6

Collect the like terms

P(A)= 0.1 - 0.3 + 0.6

Evaluate the expression

P(A)= 0.4

Hence, the value of the probability P(A) is 0.40

Read more about probability at

brainly.com/question/25870256

#SPJ1

3 0
2 years ago
When e = 4, f = 2, and g = 8If e varies jointly with f and g, what is the constant of variation?
tatyana61 [14]

Answer:

e=\frac{1}{4} fg

Step-by-step explanation:

Joint variation problem  solve using the equation y = kxz.

e ∝ fg

e=kfg

now substitute the values

4=k*2*8\\4=16k\\k=\frac{4}{16} \\k=\frac{1}{4}

The relationship will be:

e=kfg\\e=\frac{1}{4} fg

8 0
3 years ago
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Two numbers with a sum of one
dimulka [17.4K]

Answer:

.5 and .5, .75 and .25, ect

5 0
2 years ago
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Carla buys a dress that cost $20.00. She pays 7% sales tax. How much does she pay fo the dress, with tax? A. $21.40 B. $34.00 C.
Zarrin [17]

Answer:

A

Step-by-step explanation:

if its wrong sorry :( :(

7 0
2 years ago
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