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Whitepunk [10]
3 years ago
10

Perform the indicated operation. 15 - (-11) 4 -4 26 -26

Mathematics
2 answers:
NeX [460]3 years ago
8 0
It would be: 15 - (-11)
= 15 + 11
= 26

In short, Your Answer would be Option C

Hope this helps!
atroni [7]3 years ago
3 0

Answer:  The correct option is (C) 26.

Step-by-step explanation:  We are given to perform the indicated operation :

E=15-(-11).

We will be using the following rule of addition and subtraction :

a-(-b)=a+b.

Therefore, we get

E=15-(-11)=15+11=26.

Thus, the required value of the given expression is 26.

Option (C) is CORRECT.

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Solve the simultaneous equations<br> 5x+2y=25 <br> 5x-y=10
Pavlova-9 [17]

<em>5x + 2y = 25;</em>

<em>5x + 2y = 25;5x - y = 10;</em>

5x + 2y = 25;

5x = 10 + y;

(10 + y) + 2y = 25;

5x = 10 + y;

10 + 3y = 25;

5x = 10 + y;

3y = 15;

5x = 10 + y;

y = 5;

5x = 10 + y;

y = 5;

5x = 10 + 5;

y = 5;

5x = 15;

y = 5;

x = 3.

Answer: (3; 5).

4 0
2 years ago
Solve for x: −2x + 5 &lt; 7
hoa [83]
-2x + 5 < 7

-2x + 5 < 7
<u>        -5     -5   </u>       deduct 5 from both sides
-2x       < 2
<u>÷ -2        ÷ -2  </u>       divide both sides by negative 2. Because of the division 
 x          > -1          using a negative number, the sign is then reversed.
                             from < it becomes >.

The value of x should be greater than -1. It can be 0, 1, 2, so on... 

To check: Revert back to the original sign which is <.

x = 1
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2x + 5 < 7
-2(1) + 5 < 7
-2 + 5 < 7
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7 0
3 years ago
Aquestion that can be answered by<br> collecting data that has variability,
riadik2000 [5.3K]

You need to give more info

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2 years ago
Using suitable identity find 231^222-131^2​
Sliva [168]

Given:

Consider the expression is

231^2-131^2

To find:

The value of given expression using a suitable identity.

Solution:

We have,

231^2-131^2

Using the identity a^2-b^2=(a-b)(a+b), we get

231^2-131^2=(231-131)(231+131)

231^2-131^2=(100)(362)

231^2-131^2=36200

Therefore, the value of the given expression is 231^2-131^2=36200.

7 0
2 years ago
In the figure below, ray was constructed starting from rays and . By using a compass D and G were marked equidistant from E on r
DaniilM [7]
The correct answer is that the angles created are equal.

The steps given are used to create an angle bisector of the angle. That means it divides the angle into 2 congruent angles.
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