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vagabundo [1.1K]
3 years ago
14

How much hours is it from 7:45AM-4:00PM??

Mathematics
2 answers:
krek1111 [17]3 years ago
8 0

Answer:

Step-by-step explanation:

the way i do it is simple

7:45 +15m=8:00

8:00+4h=12h and another 4h to get to 4:00pm

in total we have 16hours and 15 minutes

kondaur [170]3 years ago
4 0
8 hours and 15 minutes
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Solve 3 3/4 X 2/5<br><br>a.3 6/20<br><br>b.3 5/9<br><br>c.1 1/2<br><br>d.2 1/5
AleksandrR [38]

Answer:

c.) 1 1/2

Step-by-step explanation:

8 0
3 years ago
Explain why the square root of a number is defined to be equal to that number to the 1/2 power
Snezhnost [94]

9514 1404 393

Answer:

  (x^(1/2))(x^(1/2)) = x^(1/2 +1/2) = x^1 = x

Step-by-step explanation:

The rule of exponents is ...

  (x^a)(x^b) = x^(a+b)

From which ...

  (x^a)(x^a) = x^(a+a) = x^(2a)

So, if we want two identical factors that have a product of x = x^1, then the exponents of those factors will be such that ...

  x^(2a) = x^1

  2a = 1

  a = 1/2

The square root is defined as one of two identical factors that have a product equal to the specified value. That is ...

  (√x)(√x) = x

Above, we have shown that ...

  (x^(1/2))(x^(1/2)) = x

so, we can conclude ...

  √x = x^(1/2)

_____

<em>Additional comment</em>

In like fashion, we can show that the n-th root of a number is the same as that number to the 1/n power. It's really a matter of definition. Since the square of x^(1/2) is x, we call x^(1/2) the square root. It is used commonly enough that it has its own symbol: √x.

8 0
4 years ago
Find the distance between points P(8, 2) and Q(3, 8) to the nearest tenth
olga nikolaevna [1]
(11/2 , 5) sorry if im wrong im not too sure
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3 years ago
Q+q+q=q+6 help me please
DENIUS [597]

<span>q+q+q=q+6</span>

<span>3q=q+6</span>

<span>3q−q=6</span>

<span>2q=6</span>

<span>q=<span>6/2</span></span>

<span>q=<span>3</span></span>

<span><span>
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<span><span>^o^</span></span>

8 0
3 years ago
Read 2 more answers
Slope 4.2; y-intercept (0,3.4)
umka2103 [35]

Answer:I don't know if you're asking for equation or not cause you didn't mention the question so I'm just gonna write down the equation.

y=4.2x+3.4

Use this formula➡️y=mx+b

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Step-by-step explanation:

5 0
4 years ago
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