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3 years ago

Is 4/6 is closer to a whole than 1/2

Mathematics

2 answers:

mars1129 [50]3 years ago

8 0

Answer: Yes, it is.

Andreas93 [3]3 years ago

6 0

Answer:

yes

Step-by-step explanation:

1/2=3/6

4/6=4/6

4/6>3/6

therefore as long as both fractions are less than a whole the bigger the fraction is the closer it is to a whole.

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What’s the correct answer for this question?

Katena32 [7]

Answer:

Step-by-step explanation:

It is the complement of the circle in the square

Okay,

Let the square be Universal set(U) and the circle be A

A complement = A' = U-A So

The shaded area is the complement of the circle

4 0

3 years ago

6 divided by 7.6 times 44

Delvig [45]

Answer:55.73333333333

Step-by-step explanation:

7 0

3 years ago

Researchers measured the bone mineral desnsity of the spines of 94 women who had taken teh drug CEE. The mean was 1.016 g/cm2, a

Valentin [98]

Answer:

The 95% confidence interval for the mean is between 0.985g/cm² and 1.047 g/cm².

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.95}{2} = 0.025$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.025 = 0.975$ , so $z = 1.96$

Now, find M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

$M = 1.96*\frac{0.155}{\sqrt{94}} = 0.0310$

The lower end of the interval is the mean subtracted by M. So it is 1.016 - 0.0310 = 0.985 g/cm²

The upper end of the interval is the mean added to M. So it is 1.016 + 0.0310 = 1.047 g/cm²

The 95% confidence interval for the mean is between 0.985g/cm² and 1.047 g/cm².

6 0

3 years ago

Javon needs two 5 foot pieces of rope for the sides of the ladder. She needs 7 pieces of rope each 18 inches long for the steps.

garik1379 [7]

Answer:

20 1/2 feet

Step-by-step explanation:

18 inches is 1 1/2 feet. We can add up the lengths. Remember that multiplication is used to simplify repeated addition.

rope needed = 2×(5 ft) +7×(1 1/2) ft

= 10 ft + 10 1/2 ft

= 20 1/2 ft

_____

<em>Comment on the solution</em>

There are many ways you can go at the solution of this. The one you choose may depend on the kind of aritmetic you're comfortable with.

Since one of the dimensions is given in inches, and the result is required in feet, at some point you need to convert from inches to feet. It is useful to know that 12 inches equal 1 foot. That tells you that you can divide the number of inches by 12 to get the number of feet. (18 inches = 18/12 feet = 3/2 feet = 1 1/2 feet)

You can add the step lengths in inches (18 inches × 7 = 126 inches = 10 1/2 feet) or in feet (1 1/2 feet × 7 = 10 1/2 feet).

___

Since one of the dimensions involves a fraction of a foot, at some point you have to deal with arithmetic involving fractions. Here, we have assumed you know how to do that (this is college math, after all).

Modern calculators are quite versatile in the sorts of expressions they can evaluate. For mine, it would be convenient to write it as ...

2×5+7×(18/12) . . . . would give 20 1/2

The Google search box is also a very good calculator for a variety of problems. Its use is shown below.

8 0

3 years ago

Maxine can swim 240 meters in 4 minutes. What is Maxine's unit rate?

BabaBlast [244]

Answer: A) 18.2 minutes
B) 4.5 minutes.
Step-by-step explanation:
A) Maxine can mow one lawn in 24 minutes, so the rate of work is:
1/24 of the lawn per minute.
Sammie can mow one lanw in 36 minutes, so the rate of work is:
1/36 of the lawn per minute.
The amount of the lawn that each has left to lawn by the minute x is:
Maxine = 1 -(1/24)*x
Sammie = 1 - (1/36)*x
we want to find the value of x such that:
2*(1 - (1/24)*x) = 1 - *(1/36)*x
which means that the amount that Sammie has left is two times the amount that Maxine has left to mow.
2 - (1/12)*x = 1 - (1/36)*x
2 - 1 = (1/12 - 1/36)*x
1/0.055 = x = 18.2
by the minute 18.2
B) Similar to before, here the rates are:
For Maxine, R = 1/6
For Sammie, R = 1/9
The amount they have left to mow by minute x is:
Maxine = 1 - (1/6)*x
Sammie = 1 - (1/9)*x
We want to solve, similar to before.
2( 1 - (1/6)*x) = 1 - (1/9)*x
2 - (1/3)*x = 1 - (1/9)*x
2 - 1 = (1/3 - 1/9)*x
1 = (2/9)*x
1*9/2 = x = 4.5
So here the solution is 4.5 minutes. Hope this helps

5 0

3 years ago