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2 years ago

Round 681,858 to the nearest hundred thousand

Mathematics

2 answers:

jeka942 years ago

6 0

Answer:

700,000

Step-by-step explanation:

So really, in this question, all you care about is the 10,000ths place

The 10,000ths place in this number is 8. Since 8 is greater that four, round up to 700,000

Marta_Voda [28]2 years ago

6 0

Answer:

700,000

Step-by-step explanation:

Round off all the numbers after the first number

If rounded off and the number closest to the first no is 5 and above, it automatically approximates the next number to its left.

Example: 681,858

The last no is 8, it therfeore approximates 5, thereby changing it to a 6

After being changed to a 6, it approximates the next no to its left, 8, turning it into a 9, nine approximates 1, turns it to a 2, two can't approximate, it's below 5, move on to 8, eight approximates 6 turning it to a 7, that's how I got my 700,000.

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Solve the system of equations using elimination. SHOW WORK!!!!!!!!!!!!!

irinina [24]

q= 6

r= 7

work--

Multiply 1st column by -2:

-30q+8r=-124

5q+8r=86

Subtract 2nd column from the first column:

-35q= -210

Solve for q:

q=6

Subtract q=6 by any of the two equations, so:

-30q+8r=-124

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Solve for r:

r=7

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2 years ago

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masya89 [10]

Answer:

$(x-4)^2+(y+5)^2=90$

Step-by-step explanation:

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We already know the center is at $(4,-5)$ , we are just missing the radius. To find the radius, we can use the fact that the circle passes through the point (7,4), and so the radius is just the distance from the center to this point (see attached image). So we find the distance by using distance formula between the points (7,4) and (4,-5):

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