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3 years ago

8

What’s the perimeter of this rectangle 2,5+D and 4-1,3D

1 answer:

koban [17]3 years ago

6 0

Answer:

The result can be shown in multiple forms.

Exact Form:

2,5+D,4-1,3D

Decimal form;

2,5+D,3,3D

Step-by-step explanation:

To find the perimeter of a rectangle, add the lengths of the rectangle's four sides. If you have only the width and the height, then you can easily find all four sides (two sides are each equal to the height and the other two sides are equal to the width). Multiply both the height and width by two and add the results.

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Tara drives due north for 22 miles then east 11 miles. How far is Tara from her starting point? Round to the nearest tenth is ne

kumpel [21]

<h2>Hello!</h2>

The answer is: Tara is 24.6 miles from her starting point.

<h2>Why?</h2>

Since she first drives to the north, and then to the east, we can find how far is Tara from her starting point by using the Pythagorean Theorem.

The Pythagorean Theorem states that:

$a^{2} =b^{2}+c^{2}$

$a=Displacement\\b=22miles(north)\\c=11miles(east)$

Therefore,

$Displacement=\sqrt{22miles^{2} + 11miles^{2}}=\sqrt{484 + 121}\\diagonal=\sqrt{605}=\sqrt{400.57}=24.59miles=24.6miles$

So, Tara is 24.6 miles from her starting point and her displacement is 24.6 miles northeast.

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Susu is solving the quadratic equation 4x2 – 8x – 13 = 0 by completing the square. Her first four steps are shown in the table.

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3 years ago

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The mass of an ant is 1/10 of the load, which it can carry in one try. What is the mass of the ant, if in one time it can carry

Viefleur [7K]

If you call $m$ the mass of the ant and $l$ the load, we have the equation

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In fact, the mass of the ant is one tenth of the load, which is exactly what this equation states.

Since we are given the load, we simply need to plug its value in the equation to deduce the mass of the ant:

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Last year, Michael biked 318 miles. This year, he biked m miles. Using m , write an expression for the total number of miles he

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5x+4y = -14<br> 3x+6y=6<br> What is the answer

iren [92.7K]

Hallo! Her er svaret ditt på dette spørsmålet! ☺

Answer: If you are solving by Substitution, your answer will be...

Point form : (-6,4)

Equation form : x=-6 , y=4

Step-by-step explanation: Solve for the first variable in one of the euations, then substitute the result into the other equation.

Hope this helps you out! ☺

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4 years ago