2 years ago

Which geometric principle is used to justify the construction below?

Mathematics

1 answer:

ahrayia [7]2 years ago

4 0

Answer:

Step-by-step explanation:

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Solve 3[-x+(2x+1)]=x-1

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Answer:

x = 1

Step-by-step explanation:

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2 years ago

Giselle enjoys playing chess and Scrabble. She wants to play a total of at least 10 games (condition A), but she has only 6 hour

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3 years ago

Find the vertex of the function h(x) = x2 – 4x – 21

lakkis [162]

Answer: (2, -25)

Step-by-step explanation:

The x coordinate of the vertex is $x=-\frac{-4}{2(1)}=2$ .

When x=2, $h(2)=2^2 - 4(2)-21=-25$ .

So, the vertex is (2, -25).

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1 year ago

Barry bought 25 kg of fish-flavored cat food and 35 kg of chicken- flavored cat food for the cat rescue center. He is going to d

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3 years ago

Two welders worked a total of 46 h on a project. One welder made $34/h, while the other made $39/h. If the gross earnings of the

Ratling [72]

Answer:

25 and 21 hours respectively

Step-by-step explanation:

Let the number of hours worked by each welder be x and y respectively.

They worked a total of 46 hours. This means :

x + y = 46 hours.......(I)

Now, given their hourly charges, since we have the total amount of money realized, we can make an equation out of it. This means:

34x + 39y = 1669........(ii)

We then solve both simultaneously. From I, x = 46 -y

We can substitute this into ii

34(46 -y) + 39y = 1669

1564 -34y + 39y = 1669

5y = 1669 - 1564

5y = 105

y = 105/5 = 21

x = 46 - y

x = 46 - 21 = 25 hours

The numbers of hours worked by the welders are 25 and 21 respectively

4 0

2 years ago