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natita [175]
3 years ago
10

Carol Spends 1/2 an hour doing math Homework, Spends 4/5 of an hour doing science homework, and 1/4 an hour doing history homewo

rk. About how much time did she spend in all doing homework?
A. About 1 Hour
B. About 1 1/2 an Hour
C. About 2 Hours
D. About 2 1/2 Hours
Mathematics
2 answers:
Lelechka [254]3 years ago
8 0
YOur answer should be B I think :)
GarryVolchara [31]3 years ago
6 0
The answer is B. About 1 1/2 hours
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Find the solution of y = –x – 3 for x = 1.
nikklg [1K]

Answer:

A.  :)

Step-by-step explanation:

5 0
3 years ago
I need help on dependent and independent events
strojnjashka [21]
In other words, the event<span> has no effect on the probability of another </span>event<span> occurring. </span>Independent events<span> in probability are no different from </span>independent events<span> in real life. ... When two </span>events<span> are </span>independent<span>, one </span>event does not influence the probability of another event<span>.</span>
7 0
3 years ago
In your own words, explain the steps needed to rewrite an equation so that it is "FRACTION" free
leva [86]

Answer:

Fractions are the same things as division

Step-by-step explanation:

For example:

8/12

is the same thing as

8 ÷ 12

hope this helps

have a great day

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7 0
2 years ago
A die is rolled 20 times. given that three of the rolls came up 1, five came up 2, four came up 3, two came up 4, three came up
Serjik [45]

Solution:

Number of times a die is rolled = 20

1 - 3=A

2 - 5=B

3 - 4=C

4 - 2=D

5 - 3=E

6 -  3=F

Total number of arrangements of outcomes , when a dice is rolled 20 times given that 1 appear 3 times, 2 appears 5 times, 3 appear 4 times, 4 appear 2 times , 5 appear three times, and 6 appear 3 times

            = Arrangement of 6 numbers (A,B,C,D,E,F) in 6! ways and then arranging outcomes

= 6! × [ 3! × 5! × 4!×2!×3!×3!]

= 720 × 6×120×24×72→→[Keep in Mind →n!= n (n-1)(n-2)(n-3)........1]

= 895795200  Ways

8 0
3 years ago
T he equation for a parabola with directrix y = –p and focus (0, p) is:
zhuklara [117]

The equation for a parabola with directrix y = –p and focus (0, p)

The distance between vertex and directrix is P

Also the distance between vertex and focus is also P

Focus (0,p) so focus lies on y axis

Directrix line is paralled to focus point

So Directex crosses the x axis .

Hence line of symmetry lies is the y-axis.

The graph is attached below.


3 0
3 years ago
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