3 years ago

What is the solution to the system of equations?

Mathematics

1 answer:

algol [13]3 years ago

3 0

20 divided by 3 is 998

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The perimeter of a triangular field is 84 m, if the ratio of its sides are 13: 14:15, Find the area of the field. *

denis-greek [22]

Answer:

$Area = 336\ m^2$

Step-by-step explanation:

If the ratio of the sides is 13:14:15, we can say that the length of each side is 13x, 14x and 15x.

Then, if the perimeter is 84 m, we have:

$P = 13x + 14x + 15x = 84$

$42x = 84$

$x = 2$

The length of each side is:

$13x = 26\ m$

$14x = 28\ m$

$15x = 30\ m$

Now, to find the area of the field, we can use the following formula:

$Area = \sqrt{p(p-a)(p-b)(p-c)}$

Where a, b and c are the sides and p is the semi perimeter:

$p = P/2 = 42\ m$

So we have that:

$Area = \sqrt{42(42-26)(42-28)(42-30)}$

$Area = 336\ m^2$

8 0

3 years ago

Write the exponent for the expression.<br> 1/7 Х 1/7

love history [14]

Answer: the exponent is 2

Step-by-step explanation: this is equal to (1/7)^2

6 0

3 years ago

Ariane borrows $300 on a 3−year loan. She is charged 5% simple interest per year. How much interest is she charged for 3 years?

ICE Princess25 [194]

300x1.05^3

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4 0

4 years ago

10 POINTS Which of these are correct? also, isn't true that you can choose any 2 points for Rise/Run when finding the slope?

shutvik [7]

No the points have to be on a cross on the x and y axis

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3 years ago

Angle Sum Theorem Acellus<br> 20 120 y = ?

Dmitry [639]

We know

Sum of two interior angles=exterior angle

$\\ \sf\longmapsto 20°+120°=$

$\\ \sf\longmapsto$

Hope it helps

6 0

3 years ago