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TEA [102]
3 years ago
15

Edith wants to plan a dinner for one day of the week. She decides to put all the days of the week once into a hat. If she choose

s one day a random, what is the probability that she chooses a weekday?
Mathematics
1 answer:
Vesna [10]3 years ago
5 0

Answer:

The probability is 5/7

Step-by-step explanation:

In this question, what we are simply asked to calculate is that what is the probability of selecting a week day from the number of days in a week

The days in a week are ; Sunday Monday Tuesday Wednesday Thursday Friday Saturday

The total number of days in a week is thus 7

The weekdays are Monday Tuesday Wednesday Thursday Friday

The number of weekdays are 5

Thus, the probability of selecting a weekday by Edith is simply 5/7

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Solve by completing the square ( need it asap pls) <br><br> x2+18x+81=-4<br><br> -don’t send link-
Sholpan [36]

Answer:

x=2.17

Step-by-step explanation:

x^2 +18x+81=-4

            -81  -81

x^2 +18x= -85

    /18       /18

x^2= -4.7

\sqrt{x^2}= \sqrt{-4.7}

x= 2.17

I hope this helps :) (if it does, brainliest, please??)

6 0
3 years ago
Brian invests £1800 into his bank account.
SVEN [57.7K]

Step-by-step explanation:

\underline{ \underline{ \text{Given}}} :

  • Principal ( P ) = £ 1800
  • Rate ( R ) = 5%
  • Time ( T ) = 3 years

\underline{ \underline{ \text{To \: find}}} :

  • Total amount

\underline{ \underline{ \text{Solution}}}:

First , finding the amount of interest :

\boxed{ \sf{Interest =  \frac{PTR}{100}}}

⇢ \sf{Interest =  \frac{1800 \times 5 \times 3}{100}}

⇢ \sf{Interest =  \frac{27000}{100}}

⇢ \sf{Interest = £ 270}

Now , Finding the total amount :

\boxed {\sf{Total \: amount = Principal + Interest}}

⇢ \sf{Total \: amount = 1800 + 270}

⇢ \sf{Total \: amount   =  \: £ 2070}

\red{\boxed{ \boxed{ \tt{Our \: final \: answer : brian \: will \: have £ 2070 \: after \: 3 \: year.}}}}

Hope I helped ! ♡

Have a wonderful day / night ! ツ

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6 0
3 years ago
8. Solve X=Students &amp; Y=Teachers<br> X+Y=24<br> X=3Y
Len [333]

Answer:

x=18, y= 6

Step-by-step explanation:

if x+y=24

x= 24- y

in second case

x= 3y

24_ y = 3y

24=4y

y= 6

hence x = 24 _6 = 18

5 0
3 years ago
A computer technician charges $60 to come to a home to repair a
-Dominant- [34]
5 hours
Hope this helps!
4 0
3 years ago
Read 2 more answers
Help me plz I’ll give brainlist plz!!!!!!!!!!!
marishachu [46]

Answer:

answer is 10/3 thats the answer

5 0
3 years ago
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