3 years ago

Round each number to the underlined place value.

Mathematics

1 answer:

True [87]3 years ago

5 0

Answer:

1 is 6

2 is 3.5

3 is 5

4 is 8.46

Step-by-step explanation:

if not sorry :-(

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Answer:

the answer is -1

Step-by-step explanation:

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Which equation represents the circle described? (in picture)

Sedaia [141]

You are right. In circle equation we have =r² so the correct answer will be C od D. But we have to calculate the center of a circle.

$x^2+y^2-8x-6y+24=0\quad|-24\\\\(x^2-8x)+(y^2-6y)=-24$

Complete the square:

$x^2-8x+a^2\implies a=\dfrac{8x}{2x}=4\implies x^2-8x+4^2\\\\\\y^2-6y+b^2\implies b=\dfrac{6y}{2y}=3\implies y^2-6y+3^2$

And we have:

$(x^2-8x)+(y^2-6y)=-24\\\\(x^2-8x+4^2)-4^2+(y^2-6y+3^2)-3^2=-24\\\\
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So the answer is C (the same left side of equation).

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3 years ago

Elliot uses 3/8 pound of clay to make a charm for a necklace. how much clay does he use to make 4 charms?

Lapatulllka [165]

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3/2 pound of clay is used

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Jason is buying a home theater system on layaway for $349. If he makes a down payment of $25 and pays $54 each week will it take

Gekata [30.6K]

Hey!
First, you would take 349 and subtract 25 from it.(349-25=324) This gets rid of the down payment.
Next, you would divide 324 by 54. (324÷54=6)
It would take him 6 weeks!
Hope this helped! And make sure to check my calculations!
Godspeed
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Step-by-step explanation:

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