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KiRa [710]
3 years ago
9

Plzzzzzzzzzzz help !!!! 7 1/5 x 2 1/6 first gets 15 points and brainlest

Mathematics
2 answers:
garik1379 [7]3 years ago
7 0
7/6 or the simplified answer is 1 1/6
Alex3 years ago
6 0
15 3/5 i checked with my calculator
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Type the correct answer in each box. Use numerals instead of words. Consider this expression. (x+5)(x-7) Complete the box to sho
Ne4ueva [31]

In the top right corner is -7x since we multiply the x and -7

In the bottom row, we'll have 5x for the first box and -35 for the second box. Each box is the result of multiplying the outer values.

In the top left corner, the x^2 is from multiplying the two copies of x.

3 0
3 years ago
Chloe's car used 4 gallons of gas to drive 88 miles. At what rate does her car use gas in gallons per mile? Express your answer
victus00 [196]

Answer:

About 0.5 gpm

(Exactly 0.045454545454545)

but for a short decimal answe it is 0.45

Step-by-step explanation:

4 divide by 88 will give your answer

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3 years ago
Can someone help me understand this!!!
otez555 [7]

Answer:

7b, 8a

Step-by-step explanation:

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4 0
3 years ago
Lisa ran around a rectangular field 150 m long and 50 m wide at an average speed of 100 m/min. How long did she take to complete
Anarel [89]

Answer:

20 minutes

Step-by-step explanation:

To make one round of the field, Lisa will have to cover the entire perimeter of the field.

The perimeter of a rectangle = 2(l+w) Where L = length and W = width.

The multiplication of 2 means two lengths and widths that each rectangle has. The perimeter of the field = 2(150 +50) = 400m

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6 0
3 years ago
Read 2 more answers
Given a mean earth radius of 20,906,000 ft, and an observation latitude of n 42 degrees, what is the arc distance of one second
murzikaleks [220]

Answer:

  • arc second of longitude: 75.322 ft
  • arc second of latitude: 101.355 ft

Explanation:

The circumference of the earth at the given radius is ...

  2π(20,906,000 ft) ≈ 131,356,272 ft

If that circumference represents 360°, as it does for latitude, then we can find the length of an arc-second by dividing by the number of arc-seconds in 360°. That number is ...

  (360°/circle)×(60 min/°)×(60 sec/min) = 1,296,000 sec/circle

Then one arc-second is

  (131,356,272 ft/circle)/(1,296,000 sec/circle) = 101.355 ft/arc-second

__

Each degree of latitude has the same spacing as every other degree of latitude everywhere. So, this distance is the length of one arc-second of latitude: 101.355 ft.

_____

<em>Comment on these distance measures</em>

We consider the Earth to have a spherical shape for this problem. It is worth noting that the measure of one degree of latitude is almost exactly 1 nautical mile--an easy relationship to remember.

3 0
3 years ago
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