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jeka94
3 years ago
10

Please help I don’t get it at all

Mathematics
1 answer:
Mama L [17]3 years ago
5 0

Answer:

x = 3

Step-by-step explanation:

12 is the total length of the line segment.

Substitute x for 3

Then solve 3^2

3^2 = 9

Then add 3 and 9

3 + 9 = 12

This makes 3 the correct answer.

You might be interested in
120−96×[5 ÷ {23 − 3 × (12 − 22 − 16)}]
oee [108]

Answer:

115.248

Step-by-step explanation:

120−96×[5 ÷ {23 − 3 × (12 − 22 − 16)}]

120−96×[5 ÷ {23 − 3 × (-26)}]

120−96×[5 ÷ {101}]

120−96×[0.0495]

115.248

Just remember PEMDAS: Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

8 0
3 years ago
Select the correct answer from each drop-down menu.
Marina86 [1]

Based on the inscribed quadrilateral conjecture: trapezoid QPRS can be inscribed in a circle because its opposite angles are supplementary.

<h3>What is the Inscribed Quadrilateral Conjecture?</h3>

The inscribed quadrilateral conjecture states that the opposite angle of any inscribed quadrilateral are supplementary to each other. That is, they have a sum of 180 degrees.

From the diagram given, the opposite angles in the trapezoid, 115 + 65 = 180 degrees.

Therefore, we can conclude that: trapezoid QPRS can be inscribed in a circle because its opposite angles are supplementary.

Learn more about the inscribed quadrilateral conjecture on:

brainly.com/question/12238046

#SPJ1

3 0
2 years ago
What number must you add to complete the square? x2 + 10x = 37
umka2103 [35]
Take 1/2 of x coeficient and square it
10/2=5
5^2=25
you has to add 25 to both sides to complete the square
(x+5)^2=25+37
8 0
4 years ago
A ball is tossed between three friends. The first toss is 8.6 feet, the second is 5.8 feet , and the third toss is 7.5 feet, whi
Zarrin [17]

The angles formed by the tosses are 79.45°, 59.02° and 41.53°

<u>Explanation:</u>

<u></u>

The three different tosses form a triangle with three different sides.

We have a triangle with sides of length 8.6, 5.8 and 7.5 feet.

Let x°, y° and z° be the three angles of a triangle

Using the Cosine Rule to find the measure of the angle opposite the side of length 8.6 feet:

cos x = \frac{(8.6)^2 - (5.8)^2 - (7.5)^2}{-2 X 5.8 X 7.5} \\\\cosx = 0.18310\\\\x = 79.45

We can now find another angle using the sine rule:

\frac{8.6}{sin 79.45}  = \frac{7.5}{siny} \\\\sin y = \frac{7.5 X sin 79.45}{8.6} \\\\y = 59.02

So the third angle would be

z =  180 - 79.45 - 59.02

z = 41.53°

Therefore, the three angles are 79.45°, 59.02° and 41.53°

6 0
3 years ago
What is x 2(2x+3)-2=5
Scilla [17]

Answer:

x = 0.25 or \frac{1}{4}

Step-by-step explanation:

2(2x + 3) - 2 = 5 (Given)

2 · 2x + 2 · 3 - 2 = 5 (Distributive Property of Equality)

4x + 6 - 2 = 5 (Simplify)

4x + 4 = 5 (Simplify)

4x + 4 - 4 = 5 - 4 (Subtraction Property of Equality)

4x = 1 (Simplify)

\frac{4x}{4} = \frac{1}{4} (Division Property of Equality)

x = 0.25 or \frac{1}{4} (Simplify)

6 0
4 years ago
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