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3 years ago

12

On a field trip a 6th grade class traveled 19.95 kilometer by train, 7 kilometer by bus and 2.3 kilometer by car. How far did th

ey travel all together

1 answer:

CaHeK987 [17]3 years ago

7 0

19.95 + 7 + 2.3 = 29.25 kilometers

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adam wants to compare the fractions 3/12,1/6, and 1/3.he wants to order them from least to greatest and rewrite them so they all

Digiron [165]

3/12 ; 1/6 ; 1/3

Adam must first get the least common multiple of each denominator.

12 : 12, 24, 36
6 : 6, 12, 18
3 : 3, 6, 9, 12

12 is the least common denominator.

We, then, multiply each denominator by a number that will produce 12.

12 x 1 = 12
6 x 2 = 12
3 x 4 = 12

Each number multiplied to the denominator must be the number used to multiply each numerator.

3/12 * 1/1 = 3/12
1/6 * 2/2 = 2/12
1/3 * 4/4 = 4/12

Since they now share a common denominator, the numerator will become the basis of the fraction's value. The greater the numerator, the greater the fraction's value.

Fractions in order from least to greatest = 2/12 ; 3/12 ; 4/12

Substitute each fraction with its original fraction:
2/12 ⇒ 1/6 : least
3/12 ⇒ 3/12 : middle
4/12 ⇒ 1/3 : greatest

7 0

3 years ago

Solve.<br> x^2+9x+2=0<br> thanks!

shtirl [24]

Step one:
ALWAYS set equation equal to zero, which in this case has already been done for us.

Step two:
Figure out what formula you need to use in order to solve in this case I'd use the Quadratic formula.

a=1
b=9
c=2

Quadratic formula:
$x = \frac{ - b + - \sqrt{(b) ^{2} - 4(a)(c)} }{2(a)}$
Then you would plug in the information.
$x = \frac{ - 9+ - \sqrt{(9) {}^{2} - 4(1)(2) } }{2(1)}$
The solve for what is underneath the square root ONLY.
$x = \frac{ - 9 + - \sqrt{73} }{2}$
Since you cannot solve this any further, your final two answers are...
$x = \frac{ - 9 + \sqrt{73} }{2}$
$x = \frac{ - 9 - \sqrt{73} }{2}$

3 0

3 years ago

How can you calculate the area of the circle if you know the circle’s circumference?

Nimfa-mama [501]

Divide the circumference by pi, then divide that by 2, then you would have the radius, and the area is r squared multiplied by pi

8 0

4 years ago

(3,12),(3, -17) Find the slope with work<br> Please help

maw [93]

Answer:

-43.68

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers

(w times 12) times 3

melisa1 [442]

Answer:

36w

Step-by-step explanation:

$w \times 3 \times 12 = 36w$

I am joyous to assist you anytime.

6 0

3 years ago