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andreev551 [17]

3 years ago

5

A dealer sells a carpet that measures 6 by 5 feet. A buyer requests that a similar carpet be sold to him that is related by a sc

ale factor of 2. what is the perimeter of the carpet that the buyer wants?

1 answer:

MAXImum [283]3 years ago

8 0

The perimeter is 44 feet

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a right triangle has a hypotenuse with a length of 20. the lengths of the legs are whole numbers. what are the lengths of the le

Y_Kistochka [10]

Answer:

12;16

Step-by-step explanation:

The Pythagorean theorem states that

a^2+b^2=c^2 where a and b are legs of a triangle, and c is the hypotenuse.

This means that we have to find 2 values that once squared, add up to 400. (20^2)

Based on this, we can use the values of 12 and 16 to satisfy this.

12^2+16^2=144*256=400

Therefore, the legs of the triangle are 12 and 16.

5 0

3 years ago

Pls help me with this one <br><br><br>1,2,3,4

Grace [21]

Answer:

Option 2.

Explanation:

That method is the most random in order to decide what students should take the survey.

5 0

3 years ago

Read 2 more answers

Simplify the given expression below 2 over 2+5i

mezya [45]

Well, you'd do the same as the previous one, use the conjugate of the denominator

$\bf \cfrac{2}{2+5i}\cdot \cfrac{2-5i}{2-5i}\implies \cfrac{4-10i}{(2+5i)(2-5i)}\implies \cfrac{4-10i}{2^2-(5i)^2}
\\\\\\
\cfrac{4-10i}{4-(5^2i^2)}\implies \cfrac{4-10i}{4-(25\cdot -1)}\implies \cfrac{4-10i}{4+25}\implies \cfrac{4-10i}{29}
\\\\\\
\textit{and then you distribute the denominator}
\\\\\\
\cfrac{4}{29}+\cfrac{10}{29}i$

8 0

3 years ago

Please solve for angle X

dybincka [34]

It would be 98 degrees.
this is because on the top line their is a spot that we don’t know the angle of and next to it is an angle of 82 degrees and a line is equal to 180 degrees so all you have to do is subract 82 from 180.

hope this was correct & helped out

4 0

3 years ago

The first few steps in solving a quadratic equation 5x2+27x=14-13x by completing the square as shown.

Sever21 [200]

For this case we have the following quadratic function
$5x ^ 2 + 27x = 14-13x
$
To solve by completing squares, we must take into account the following procedures:
1) The variables on one side of the equation:
$5x ^ 2 + 27x + 13x = 14

5x ^ 2 + 40x = 14$
2) The leading term equal to 1:
$x ^ 2 + 8x = 14/5
$
3) Complete the square:
$x ^ 2 + 8x + (8/2) ^ 2 = 14/5 + (8/2) ^ 2

x ^ 2 + 8x + (4) ^ 2 = 14/5 + (4) ^ 2

x ^ 2 + 8x + 16 = 14/5 + 16$
$(x + 4) ^ 2 = 14/5 + 80/5

(x + 4) ^ 2 = 94/5

x = +/- \sqrt{ \frac{94}{5}} - 4$
Answer:
The solutions are:
$x = \sqrt{ \frac{94}{5}} - 4

x = -\sqrt{ \frac{94}{5}} - 4$

5 0

3 years ago