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4 years ago

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What is 6.51 rounded to the nearest whole number

1 answer:

alekssr [168]4 years ago

8 0

To round to the nearest whole number you look at the number after the decimal point, if it is greater than 5, i.e 5 to 9 then you round up, if it is less than 5, i.e. 0 to 4 you round down. In this case the number after the decimal point is 5 therefore you round the number up. This means the answer is 7.

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we know that

Two angles are supplementary if their sum is equal to $180$ degrees

in this problem we have

$Angle\ 1=45\°$

$Angle\ 2=135\°$

so

$Angle\ 1+Angle\ 2=180\°$

therefore

<u>the answer is</u>

The two angles are supplementary

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3 years ago

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Bro can someone please help me on these three questions I’ve been trying to get help on these questions for like the past 30 min

Inessa05 [86]

Answer:

Step-by-step explanation:

1). By applying cosine rule in the given triangle,

cos(x°) = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

cos(x°) = $\frac{6}{8}$

x = $\text{cos}^{-1}(\frac{3}{4} )$

x = 41.41°

2). By applying cosine rule in the given triangle,

cos(x°) = $\frac{\text{Adjacent side}}{\text{Hypotenuse}}$

cos(x°) = $\frac{4}{5}$

x = $\text{cos}^{-1}(0.8)$

x = 36.87°

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cos(x°) = $\frac{51}{85}$

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3 years ago

Which smallest number is subtracted from the number 12675 to make it a perfect square?

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2 years ago

Here are some (simulated) data on the maximum age distribution in rabbits:

bogdanovich [222]

Let Y denote the maximum age of rabbit.

To calculate probability for Y=a from given table, we need to divide frequency corresponding to y=a with sum of frequencies.

For example P(Y=0) = $\frac{37}{37+232+429+388+225+99+58+10+6+0} =\frac{37}{1484} = 0.02493$

Like that P(y=1) = 0.1563, P(Y=2) = 0.2891, P(y=3) = 0.2615, P(Y=4) = 0.1516,

P(Y=5) = 0.0667, P(Y=6) = 0.0391,P(Y=7) = 0.0067, P(Y=8)=0.004 and P(Y=9) =0.

a) P(Y>5) = P(Y=6)+P(Y=7)+P(Y=8)+P(Y=9)

= 0.0391+0.0067+0.004+0 = 0.0498

b) P(2<Y<6) = 0.2615+0.1516+0.0667 = 0.4798

c) P(Y≥3) = 0.2615+0.1516+0.0667+0.0391+0.0067+0.004+0= 0.5296

d)P(Y<6) = 0.02493+0.1563+0.2891+0.2615+0.1516+0.0667 =0.95013

e)If we add (a) and (d), we will get 0.0498+0.95013 = 0.99993≈1

Not surprised,since this is nothing but addition of probabilities for all Y values.

That's we got 1 since numerator and denominator are same.

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3 years ago