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3 years ago

How many solutions does 9x - 18 = 3(3x - 6) have?

Mathematics

2 answers:

gavmur [86]3 years ago

8 0

Answer:

No solutions

Step-by-step explanation:

lys-0071 [83]3 years ago

7 0

Answer:

assuming the three options are no solutions, one solution and all real numbers, i would say the final option. i forgot what the proper wording is thoough

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Solve the system of linear equations by eliminations x+5y=-2; 5x+y=14

Arada [10]

I’ve attached my work….
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3 years ago

Solve for the right triangle given only one side and angle

34kurt

Answer:

CD = √11 and CE = √11

Step-by-step explanation:

We know that m∠D is 45° (by using the sum of interior angles in a triangle) so therefore, ΔDCE is a 45 - 45 - 90 triangle (the 45, 45, and 90 refer to the angle measures). The ratio of sides in a 45 - 45 - 90 triangle is 1 : 1 : √2 where the 1s are the sides and the √2 is the hypotenuse. We need to solve for x in x : x : √22. If you notice that √22 = √2 * √11, we can use this to find x, therefore, x = 1 * √11 = √11 so CD = √11 and CE = √11.

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3 years ago

Read 2 more answers

Which number equals (3)^-3? A) -27 B) -9 C) -1/27 D) 1/27

Alecsey [184]

Answer:

the answer is D 1/27

Step-by-step explanation:

7 0

3 years ago

Charlie is evaluating the product of 0.09 and 0.05. He multiplies, and before placing the decimal, arrives at an answer of 45. A

yKpoI14uk [10]

Answer:

Result = 0.0045

Step-by-step explanation:

Given

$0.09 * 0.05$

Required

Determine the result

Following Charlie's steps:

0.09 is a 2 decimal placed digit

and

0.05 is a 2 decimal placed digit

So, the product is as follows:

9 --------- 2 decimal place

5 --------- 2 decimal place

------------------------------------------

45 --------- 4 decimal place

Shifting the decimals in 45 to 4 decimal places will give us: 0.0045

<em>Hence, the final answer is 0.0045</em>

4 0

3 years ago

Area and estimate helpp

Vikki [24]

Sorry. It's not clear. Plz tell me if there is 12 3/8in?

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2 years ago