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nignag [31]
4 years ago
5

An equation is shown below:

Mathematics
2 answers:
IrinaK [193]4 years ago
7 0
5(2x - 8) + 15 = -15
               -15      -15     subtract 15 from each side
5(2x - 8) = -30
  ÷5             ÷5             divide both sides by 5
2x - 8 = -6
     +8    +8                   add 8 to each side
2x=2
÷2  ÷2                          divide both sides by 3
x = 1

Checking:
5(2(1)-8) + 15 = -15
5(-6) + 15 = -15
-30 + 15 = -15
-15 = -15             Correct! x=1
vivado [14]4 years ago
4 0
5(2x-8) + 15 = -15

Distribute the 5 into (2x-8) :
10x - 40 + 15 = -15

Add -25 and 15 :
10x - 25 = -15

Add 10 to both sides:
10x = -15 + 25
10x = 10

Divide both sides by 10 :
x = 10/10
x = 1
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OlgaM077 [116]
A. -23

If 7x plus 3 equals 24, X equals 3. -5 minus 6 time X(3) equals -23.
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3 years ago
It was recently estimated that domestic vehicles outnumber foreign vehicles by about seven to three. If there are 3100 vehicles
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3 years ago
Evaluate: 32 + (8 − 2) • 4 − 6/3
Ipatiy [6.2K]
The expression to evaluate is 32 + (8 - 2) * 4 - 6/3. In the first step you can solve the parenthesis and the fraction => 32 + (6)*4 - 2. In the second step you mutiply 6*4 => 32 + 24 - 2. Finally, you do the maths: 32 + 24 - 2 = 54. <span>Answer: 54</span>
8 0
3 years ago
Which of the following is true?
Ratling [72]

In this question, we're trying to find the inequality that is true.

To find your answer, we can convert the numbers in the absolute value:

|−5| < 4:

5 < 4 <em>false</em>

|−4| < |−5|:

4 < 5 <em>true </em>

|−5| < |4|

5 < 4 <em>false</em>

|−4| < −5

4 < -5 <em>false</em>

The only true inequality here would be |−4| < |−5|, since it works with the inequality sign.

Answer:

|−4| < |−5|

4 0
3 years ago
Which one should I choose?
Nastasia [14]

Given:

A figure of a quadrilateral.

To find:

The measures of angle 1 and angle 2.

Solution:

The given figure has two pairs of congruent adjacent sides. So, the quadrilateral in the figure is a kite.

We know that the diagonals of a kit are perpendicular to each other at the point of intersection.

m\angle 1=90^\circ

According to the angle sum property, the sum of all interior angles of a triangle is 180 degrees.

90^\circ+65^\circ+m\angle 2=180^\circ

155^\circ+m\angle 2=180^\circ

m\angle 2=180^\circ-155^\circ

m\angle 2=25^\circ

Therefore, the correct option is C.

7 0
3 years ago
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