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Masja [62]
3 years ago
9

Brady studied 1.5 hours on Monday, 0.75 hours on Tuesday, 1.25 hours on Wednesday, and 1 hour on Thursday. How many total hours

did he study this week?
Mathematics
2 answers:
Lerok [7]3 years ago
7 0
If you are asking for the total number of hours he studied in the week, that means you have to add up the total number of hours he studied for each day to find your sum of the total number of hours which would be 4.5 hours.
lisabon 2012 [21]3 years ago
7 0
4.5 hour would be the answer your welcome

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Rufina [12.5K]
4,875 in expanded form is 4,000 + 800 +70 + 5 = 4,875
3 0
3 years ago
If the range of f(x)= square root mx and the range of g(x)=m square root x are the same, which statement is true about the value
AveGali [126]
M can be any positive real number.

Explanation:

From f(x) = √(mx) ; if x is posive m has to be positive; if x is negative m has to be negative; if x is cero m can have any value, and the range will always be 0 or positve

From g(x) = m √x; x can only be 0 or positive and the range will have the sign of m.

Given we concluded that the range of f(x) can only be  0 or positive, then me can only be 0 or positive. 
3 0
3 years ago
Blue Cab operates 15% of the taxis in a certain city, and Green Cab operates the other 85%. After a nighttime hit-and-run accide
NikAS [45]

Answer: The required probability is 0.414.

Step-by-step explanation:

Since we have given that

Probability of taxis in a certain city by Blue Cab P(B)= 15%

Probability of taxis by Green Cab P(G) = 85%

Let A be the event that eyewitness said that vehicle was blue.

P(A|B)=0.80

P(A|G)=0.80

P(A'|B)=0.20=P(A'|G)

Using the "Bayes theorem":

Probability that the taxi at fault was blue is given by

=\dfrac{P(B).P(A|B)}{P(B).P(A|B)+P(G).P(A'|G)}\\\\=\dfrac{0.15\times 0.8}{0.15\times 0.8+0.85\times 0.2}\\\\=\dfrac{0.12}{0.12+0.17}\\\\=\dfrac{0.12}{0.29}\\\\=0.414

Hence, the required probability is 0.414.

8 0
3 years ago
A woman is 6 years older than 3 times her daughters age. their ages total 46. what are their ages?
Darina [25.2K]

(46/3)-6=9

Her daughter is 9 years old and her mother is 37.

4 0
3 years ago
Find the zeros of the function. f(x) = 4x3 - 12x2 - 40x
mote1985 [20]
First take out the GCF which is 4x

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4x = 0  so x = 0

x - 5 = 0 so x = 5

x+2 = 0 so x = -2

zeros are  -2, 0 and 5
3 0
3 years ago
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