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Scorpion4ik [409]
3 years ago
11

Please can someone solve this​

Mathematics
1 answer:
Leni [432]3 years ago
7 0

Answer:

45

Step-by-step explanation:

2a+3b=15, multiply everything by 3

3(2a+3b)=3(15)

6a+9b=45

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Question 1
ICE Princess25 [194]
<h3>Answer: Euler Line</h3>

Explanation:

The Euler Line contains the following points

  1. Orthocenter
  2. Circumcenter
  3. Centroid

all of which can be thought of as the "center" of a triangle. Strangely enough, the incenter is not generally found on the Euler line.

7 0
3 years ago
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What is the difference 6 1/9 -3 5/9​
jek_recluse [69]

Answer:

2 5/9

Step-by-step explanation:

6 1/9 = 55/9

3 5/9 = 32/9

55/9-32/9

23/9 or 2 5/9

8 0
3 years ago
What is the value of 'x' : <img src="https://tex.z-dn.net/?f=4x%20%2B%203%20%3D%2016" id="TexFormula1" title="4x + 3 = 16" alt="
Oksana_A [137]

Answer:

x = 3.25

Step-by-step explanation:

Isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

...and is the order of operation.

First, subtract 3 from both sides of the equation:

4x + 3 = 16

4x + 3 (-3) = 16 (-3)

4x = 16 -3

4x = 13

Next, dvide 4 from both sides:

(4x)/4 = (13)/4

x = 13/4

x = 3.25

x = 3.25 is your answer.

~

6 0
3 years ago
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The graph shows the path that Karis bicycles on Thursday. Each unit represents 1 mile. She bicycles north, then east, then south
Ulleksa [173]
Yes Karis is correct I hope this helps and if its wrong let me know but I'm sure I'm correct
6 0
3 years ago
#4 please help! One question seen in pic
kiruha [24]

Answer:

B. (x - 2)(x + 2)

Step-by-step explanation:

The answer is b. If you have (x + a)(x - a), the variables will cancel each other out. For example, if we take the answer (x - 2)(x + 2) and factor it out, we get:

x² - 2x + 2x - 4

Then it becomes just:

x² - 4 because the x to the power of one has been canceled. This proves his theory wrong.

7 0
3 years ago
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