3 years ago

The ratio of the length of the rectangular field to its width 5:2. The length of the field is 30yd. Find the perimeter and area

Mathematics

1 answer:

almond37 [142]3 years ago

5 0

Answer:

Perimeter= 84

Area= 360

Step-by-step explanation:

We know that this field has portions split up by 7. The length is 5/7 of that, and the width is 2/7.

We know that the length is 30yd. 30/42 is the equivalent of 5/7. That means that 12/42 is the equivalent of 2/7.

Thus, the width of the field is equal to 12.

To find the perimeter we will add all sides. 30 + 30 + 12 + 12 = 84

We will multiply them to find area. 30 * 12 = 360

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The price of a pair of shoes increases from $55 to $77. What is the percent increase to the nearest percent?

Rom4ik [11]

Answer:

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Step-by-step explanation:

40% of 55 is 22 and 55+22=77

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3 years ago

A company makes bicycles in two sizes. The first bicycle size weighs 18.5 pounds. The second bicycle sizes weighs 1/14 as much a

QveST [7]

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3 years ago

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julsineya [31]

Answer: P * ( 1 + 7%)

Step-by-step explanation:

You included no options but the expression should go something like this:

Pn = P * ( 1 + 7%)

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<em>The above formula will show the new price given the current price. </em>

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3 years ago

What is the sum of the roots of the quadratic equation x²+6x-14=0?

aivan3 [116]

Answer:

<h3>Sum of Roots =<u> (-8)</u><u> </u><u> </u></h3><h3>Product of Roots = <u> </u><u> </u><u>(-84)</u><u> </u><u> </u></h3>

Step-by-step explanation:

${x}^{2} + 6x - 14 = 0$

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Sum of the roots :

[6 + (-14)]

= (-8)//

Product of the roots :

[(6)(-14)]

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2 years ago