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never [62]
3 years ago
7

Use substitution to solve the system of equations. How many solutions are there? 1/2x − 1/3y = 5 x = 2/3y + 10

Mathematics
1 answer:
Vadim26 [7]3 years ago
7 0

Answer:

2 solutions cuz

2 variable are there

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Which of the following points is farthest from the origin: (0,5, (1,2), (3,-4), (6,0) (-1,-2)?
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Answer(6,0)

Step-by-step explanation:

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3 years ago
Consider three consecutive odd integers. The ratio of the smallest number to one less than twice the smallest
uranmaximum [27]

Let <em>x</em> be the smallest of the three integers. Then the next two are <em>x</em> + 2 and <em>x</em> + 4.

• "The ratio of the smallest number to 1 less than twice the smallest number..."

This translates to

<em>x</em> / (2<em>x</em> - 1)

• "... the ratio of 3 more than the middle number to twice the largest number."

This translates to

((<em>x</em> + 2) + 3) / (2 (<em>x</em> + 4))

or, simplifying a bit,

(<em>x</em> + 5) / (2<em>x</em> + 8)

The ratioes are said to be equivalent, so

<em>x</em> / (2<em>x</em> - 1) = (<em>x</em> + 5) / (2<em>x</em> + 8)

Solve for <em>x</em> :

<em>x</em> (2<em>x</em> + 8) = (<em>x</em> + 5) (2<em>x</em> - 1)

2<em>x</em>² + 8<em>x</em> = 2<em>x</em>² + 9<em>x</em> - 5

8<em>x</em> = 9<em>x</em> - 5

-<em>x</em> = -5

<em>x</em> = 5

So the three integers are 5, 7, and 9.

8 0
3 years ago
What 8 1/4 x 6 x 10 is?
Sloan [31]

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495

Step-by-step explanation:

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3 years ago
One hundred thousand is equal to how many ten thousands?<br> A. 1<br> B. 10<br> C. 100<br> D., 1,000
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The answer is B. 10

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3 years ago
Hayden likes building radio-control sailboats with his dad.One of the sails shaped like a triangle has side lengths measuring 6
alexandr402 [8]

Answer:

1.5 inches ; 2 inches ; 2.5 inches

Step-by-step explanation:

Given that the original measurement of the triangular sail is :

6 inches, 8 inches and 10 inches

Scale factor = 1/4

Hence, scaled diagram of the triangular sail :

1/4 * (6 inches, 8 inches, 10 inches)

1/4 * 6 = 1.5 inches

1/4 * 8 = 2 inches

1/4 * 10 = 2.5 inches

4 0
3 years ago
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