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vovikov84 [41]
3 years ago
10

If you sleep 7 hours every night how many hours are you AWAKE in a year? Tips: There are 24 hours in a day. There are 365 days i

n a year.
Mathematics
2 answers:
alexdok [17]3 years ago
8 0

Answer: 6205 hours

Step-by-step explanation:

Given: The number of sleeping hours =7

Since, the total number of hours in a day = 24

Therefore, the number of awake hours = 24-7=17

Also, the number of days in a year = 365

Therefore, the total number of awake hours=17\times365

Thus, the total number of awake hours= 6205 hours

Hence, If we sleep 7 hours every night we awake 6205 hours in a year.

artcher [175]3 years ago
5 0
6,205 hours you are awake in a year
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Plz hurry, brainliest and lots of points plz explain answer and only answer if you are actually gonna do it.
Citrus2011 [14]

Answer and Step-by-step explanation:

1st box:

0, -3

2nd box

-2, -9/4

3rd box:

2, -3/2

4th box:

4, 0

Btw 0, -2, 2, 4 are in the x-coordinate column if you didn’t know, and 1, -9/4, -3/2 are in the y-coordinate column

Basically to solve if you plug in 0 into x, so basically it’s 3(0)-4y=12, which you simplify gives you 0-4y=12, subtract 0 from 12 which is 12 and then do 12 divided by -4 and then you get y = -3 and that’s how you get the box answer

Idk how to the rest srry lol!

3 0
3 years ago
A water balloon is 5 feet above the ground when Sally launches it into the air. Use the quadratic equation 0 = -t^2 + 4t + 5 to
rodikova [14]

Answer:

t=5\ sec

Step-by-step explanation:

we have

-t^{2} +4t+5=0

Solve the quadratic equation to find the zero's or x-intercepts

Remember that

The x-intercepts are the values of x when the value of y is equal to zero ( water balloon reach the ground)

we know that

The formula to solve a quadratic equation of the form ax^{2} +bx+c=0 is equal to

x=\frac{-b(+/-)\sqrt{b^{2}-4ac}} {2a}

in this problem we have

-t^{2} +4t+5=0

so

a=-1\\b=4\\c=5

substitute in the formula

t=\frac{-4(+/-)\sqrt{4^{2}-4(-1)(5)}} {2(-1)}

t=\frac{-4(+/-)\sqrt{36}} {-2}

t=\frac{-4(+/-)6} {-2}

t=\frac{-4(+)6} {-2}=-1

t=\frac{-4(-)6} {-2}=5

therefore

the solution is t=5\ sec

7 0
3 years ago
Read 2 more answers
What is the scientific notation of 0.005
Airida [17]
Move the decimal to the right 3 places: 5 x 10⁻³ 
3 0
3 years ago
5<br> Select the correct answer.<br> What is this expression in simplified form?<br> 5/2 . 9/6
mr_godi [17]

Answer:

Bro 1st expression is in simplest form and 2nd in simplest is 3/2

Step-by-step explanation:

If you like my answer than please mark me brainliest

7 0
3 years ago
Read 2 more answers
A sum of money invested at the compound interest payable yearly has interest in
jeka94

Answer:

49% and 30% respectively

Step-by-step explanation:

Step one:

Given data

Principal =  Rs. 4,200

Final Amount= Rs. 9282 respectively

time = 2 years and

time = 4 years

Required

The rate of interest for 2 and 4 years

Step two:

the compound interest formula is

A= P(1+r)^t

for 2 years

Substitute

9282= 4200(1+r)^2\\\\9282/4200= (1+r)^2

1+r= \sqrt{\frac{9282}{ 4200} }\\\\1+r= \sqrt{2.21} \\\\1+r= 1.49\\\\r=1.49-1\\\\r= 0.49\\\\

the rate is 49%

For 4 years we have

9282= 4200(1+r)^4\\\\9282/4200= (1+r)^4

1+r= \sqrt[4]{\frac{9282}{4500} } \\\\1+r=\sqrt[4]{2.21}  \\\\1+r= 1.30\\\\r=1.30-1\\\\r= 0.30\\\\

the rate is 30%

6 0
3 years ago
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