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Triss [41]
3 years ago
5

Which calculation will ALWAYS give a result greater than 1? A.5 × a number less than 1 B.4/9+ a fraction less than 12 C. 1 3/4 -

a fraction less than 3/4 D.7/8 × a number less than 1
Mathematics
1 answer:
Bas_tet [7]3 years ago
3 0

Answer:

  C.  1 3/4 - (a fraction less than 3/4)

Step-by-step explanation:

Your number sense should be able to help you with this one.

A. 5 × 1/10 = 1/2, not a number greater than 1

B. 4/9 + 1/3 = 7/9, not a number greater than 1

C. 1 3/4 -1/2 = 1 1/4, a number greater than 1 (see below for more explanation)

D. 7/8 × 1/2 = 7/16, not a number greater than 1.

__

<em>More explanation</em>

Let x represent a number less than 3/4. Then we want to make sure that ...

  y = 1 3/4 - x

will be greater than 1.

Solving for x, we get ...

  x = 1 3/4 - y

Applying the requirement that x < 3/4, we have ...

  x < 3/4

  (1 3/4 -y) < 3/4

  1 3/4 < y + 3/4 . . . . . . add y

  1 < y . . . . . . . . . . . . . . .subtract 3/4

We see that the condition on x makes sure that y is always greater than 1.

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Cohen's d is given by:

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7 0
4 years ago
Which unit price is the highest? turnips for $1.51 per pound peppers for $1.62 per pound parrots for $1.26 per pound celery for
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Answer:

The highest price is of peppers $1.62

Step-by-step explanation:

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Cost of celery per pound = $1.48

As all the costs are given in the same unit prices, we can simply compare the prices to find out  highest value.

The highest price is of peppers $1.62.

7 0
4 years ago
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5 0
3 years ago
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Find the area of an equilateral triangle with apothem 7 cm.
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So hmm check the picture below

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\bf \textit{area of an equilateral triangle}\\\\&#10;A=\cfrac{s^2\sqrt{3}}{4}\qquad &#10;\begin{cases}&#10;s=\textit{length of one side}\\&#10;----------\\&#10;s=14\sqrt{3}&#10;\end{cases}\implies A=\cfrac{(14\sqrt{3})^2\sqrt{3}}{4}&#10;\\\\\\&#10;A=\cfrac{14^2\cdot 3\sqrt{3}}{4}\implies A=\cfrac{588\sqrt{3}}{4}\implies A=147\sqrt{3}

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3 years ago
The distance between City A and City B is 250 miles. A length of 1.7 feet represents this distance on a certain wall map. City C
Xelga [282]
The scale of the map is equal to 250 miles per 1.7 feet. or 250m/1.7ft. set up as a fraction.
Divide 250 by 1.7 to get how many miles are equal to just 1 foot.
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4 0
2 years ago
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