MATHEMATICS MIDDLE SCHOOL

How can I divide by zero?

Answers

Answer 1
Answer: I don't think that is even possible :|

I was taught that dividing by zero is undefined. Dividing 1 by 0 means 1/0 which makes no sense at all.

But all I'm saying is that we can't divide by zero.

Try this 0/0 does it make sense to you? Nah that is indeterminate.

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The rectangular drawing is 43.5 cm by 934 mm how many cm of wood framing will she need

Answers

934 mm = 93.4 cm 
so 
2(43.5 + 93.4) ≈ 273.8 cm or 2.738 meters

A dog runs 9.5 mi in 0.5 h. The distance the dog travels varies directly with the amount of time it runs.How many miles will it run in 1.75 h?

mi

Answers

We divide 9.5 / 0.5 to see how much it runs in 1 hour.

9.5 / 0.5 = 19

So it runs 19 miles in 1 hour.

Now we multiply 1.75 to 19 miles.

1.75 * 19 = 33.25

So he will run 33.25 miles in 1.75 hours.
9.5\ miles\ in\ 0.5h\nx\ miles\ in\ 1.75h\n\nproportion:\n9.5-0.5\nx-1.75\n\ncross\ multiplication\n\n9.5*1.75=0.5x\n\n16,625=0.5x\ \ \ | divide\ by\ 0.5\n\nx=33.25miles\n\nIt\ will \ run\ 33.25\ miles.

What is 8/10 as hundredths in fraction form and decimal form?

Answers

In hundreths in fraction form, you want 100 on the denominator (bottom)
in order to do this, multiply the top and the bottom number by 10
8/10=80/100

to get to decimal form, since your fraction is already out of 100, take the 80 and put a decimal two places to the right
80->.8

Answer:

80/100 and 0.8

Step-by-step explanation:

You would do 8/10 and multiply both by 10 and that would give you 80/100. Mainly because 10x10 is 100 and 8x10 is 80.

To get the decimal form, divide 8 by 10 and it should give you 0.8 just like that. C:


!Kayla! :)

Emily;s family drove 254.6 miles. Their car used 19 gallons of gasoline. Describe the car's gas mileage.

Answers

You take your miles driven divided by the gallons of gas used.

So,

254.6 miles/19 gallons = 13.4

The gas mileage of the car is 13.4

Hope this helps :D

How tall is a triangle that is 10ft x 10 ft x 10ft?

Answers

Are you saying that all 3 sides of the triangle are equal, and are 10-ft each ?

In that case, if you set the triangle down on one of its sides,
the vertex at the top will be 5√3 = about 8.66-ft above the table.
Square root of 75 or 8.66 rounded. Use Pythagorean Theorem.

Urgent!!!What kind of triangle is this?


Obtuse

Acute

Supplementary

Right

Please help!!!?!!

Answers

Option D:

Right triangle

Solution:

Let us first define obtuse, acute right triangle and supplementary.

Obtuse angled triangle:

If any one of the angle in the triangle is more than 90°, then the triangle is an obtuse angled triangle.

Acute angled triangle:

If all the angles of the triangle are less than 90°, then the triangle is an acute angled triangle.

Right angled triangle:

If any one of the angle in the triangle is exactly 90°, then the triangle is a right angled triangle.

Supplementary:

If sum of the angles is 180°, then the angles are supplementary angles.

But this is not a kind of triangle.

In given triangle one of the angle is 90°.

Therefore, this is a kind of right triangle.

Option D is the correct answer.
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