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krok68 [10]
3 years ago
7

SOLVE AND EXPLAIN FOR BRAINIEST !!!!!!!!!!!!!!!!!!!!!!!!!!!!1

Mathematics
1 answer:
daser333 [38]3 years ago
6 0
I Think You Should Add Them Together.
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When you double my number and add five you get 17 what is my number
Alexeev081 [22]

the answer is 6, 6 times 2 is 12 plus 5 is 17

3 0
3 years ago
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the figure below is a square . Find the length of side x in simplest radical form with a rational denominator.
wel

Answer:

\sqrt{14}

Step-by-step explanation:

In any square with side length s, the diagonal of the square is equal to s\sqrt{2}. Since the side length of this square is \sqrt{7}, the diagonal is equal to \sqrt{7}\cdot \sqrt{2}=\boxed{\sqrt{14}}.

Alternatively, you can form two 45-45-90 triangles with the diagonal of the square. The diagonal acts as the hypotenuse for the both these triangles, and the legs of both triangles are equal to the side length of the square. To find the length of the diagonal, use the Pythagorean Theorem, which states a^2+b^2=c^2, where c is the hypotenuse of the triangle, and a and b are the two legs of the triangle.

In this question, both legs are equal to \sqrt{7}, and we're solving for the diagonal, which is the hypotenuse in this case:

\sqrt{7}^2+\sqrt{7}^2=c^2,\\c^2=14,\\c=\boxed{\sqrt{14}}

4 0
3 years ago
Definicion del concepto de numero
NNADVOKAT [17]

Answer:

1.

Mathematical concept that expresses an amount in relation to the computer unit; results from counting the elements that make up a set.

"Cardinal number"

2.

A graphic sign or set of graphic signs that expresses or represents that amount.

Step-by-step explanation:

8 0
3 years ago
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Apartment Math Quiz : The total length of your apartment is 30 feet and the total width is 20 feet. What is the total area of th
maks197457 [2]

Answer:

<h2>600ft²</h2>

Step-by-step explanation:

30·20

=600

7 0
3 years ago
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Sin y = cos ( y + 2° )
Archy [21]

Answer:y=44°

Step-by-step explanation:

Sin y =cos [90°-y]

It is Given that sin y =cos (y+2°)

Cos[90°-y]=Cos(y+2°)

90°-y=y+2°

88°=2y

y=44°

8 0
3 years ago
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