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pantera1 [17]
3 years ago
6

The length of a rectangular parking lot at the airport is 2/3 mile. If the area is 1/2 square mile, what is the width of the par

king lot? (Write fraction in a/b format with unit)
Mathematics
2 answers:
likoan [24]3 years ago
5 0

Answer: The Width is 24/25.

Step-by-step explanation:We use the formula for area of a rectangle to determine the width of the park.

A=l x w, where  =Area,  =length, and  w= width

                           Using the data given: 3/5 = 7/8 × w

Multiply both sides by 8/7 . 3/5 × 8/7 = 7/8 × 8/7 × w 24/35= 17/18 × 1 8/1 7 × w 24/35 = w

                               The width of the park is 24 35 mile.

Inga [223]3 years ago
3 0
The area of a rectangle is Length multiplied by Width

So plug the numbers in to find the width

1/2 = 2/3*W

Solve as follows:
1/2 divided by 2/3 =3/4 so,
W=3/4

The width of the parking lot is 3/4 of a mile
 
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The radius of the large sphere is double the radius of the small sphere.
Vlad [161]

Answer:

8

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Remember that all the spheres are similar

Let

z ----> the scale factor

V_1 ---> the volume of the large sphere

V_2 ---> the volume of the small sphere

z^3=\frac{V_1}{V_2}

<em>Find the scale factor</em>

we know that

The radius of the large sphere is double the radius of the small sphere

so

The scale factor is 2

z=2

substitute the value oz z

z^3=\frac{V_1}{V_2}

2^3=\frac{V_1}{V_2}

8=\frac{V_1}{V_2}

V_1=8V_2

The volume of the large sphere is 8 times the volume of the small sphere

8 0
4 years ago
Read 2 more answers
Weinstein, McDermott, and Roediger (2010) con- ducted an experiment to evaluate the effectiveness of different study strategies.
anastassius [24]

Answer:

a) The number of correct answers

b) Discrete

c) Ratio        

Step-by-step explanation:

We are given the following in the question:

Experiment:

Evaluate the effectiveness of different study strategies. All students were then given a test on the passage material and the researchers recorded the number of correct answers.

a) The dependent Variable

The number of correct answers given is the dependent variable because it depends on the number of times the passage is read.

b) Nature of dependent variable.

  • It is a discrete variable.
  • Since, the number of questions will always be expressed in whole numbers and cannot be expressed as decimals.
  • They are always counted and not measured.

c) Scale of measurement

  • Ratio is used to measure the dependent variable because true zero for the number of correct questions answered exist.
  • If the measure is zero that means truly no questions were answered correctly.
5 0
3 years ago
3(9-4) Divided by five
wel

The answer you are looking for is 3.

To find this, you must first distribute the 3 into the parenthesis. 3 x 9 = 27 and 3 x 4 = 12.

Next, you subtract 12 from 27. 27 - 12 = 15.

Finally, divide 15 by 5 to get your final answer as 3.

I hope this helps!

3 0
3 years ago
Read 2 more answers
Find the sum of the infinite geometric sequence:<br>8, 4, 2, 1, .......​
tatyana61 [14]

Answer:

<h3>Therefore the sum if the series is 15.98!</h3>

The common ratio is 1/2 or 0.5 . If you multiply the current term by the the common ratio the the output will be the next term.

8⋅1/2=4

4⋅1/2=2

2⋅1/2=1 etc ...

because the absolute value of r is less than 1 we can use the following formula.

a/1−r where a is the first term and r is the common ratio

In our problem

a=8 and r=0.5

Substitute

8/1−0.5=8/0.5=16

The sum of this infinite geometric series is 16.

Also, another formula you can use that is guaranteed to work every time, no matter what, is:

Sn=a(r^n−1/r−1)

All the variables work the same way as above, and "n" is the number of terms in the series. So, say you wanted to find the sum of the first 10 terms and were to substitute everything in:

S10=8(0.5^10−1/0.5−1)

S10=15.984375

Therefore the sum if the series is 15.98!

Step-by-step explanation:

<h2>Hope it is helpful....</h2>
7 0
3 years ago
Please provide steps with answers
Sunny_sXe [5.5K]

Answer:

it's answer is 36 inch ²

Hope it will help as I have my answers with picture.

4 0
3 years ago
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