MATHEMATICS MIDDLE SCHOOL

The total rainfall in forks , washington, october was 8 3/8 in. in september ,60% less rainfall fell in October how much rain fell in spetember in forks, washington?

express your awnswer in simplest form

Answers

Answer 1
Answer: Rainfall in October in Forks, Washington = 8 3/8 inches
                                                                 = 67/8 inches
Percentage of rainfall that has fallen less in September in Forks, Washington = 60%
Let us assume the amount of rainfall in September in Forks, Washington = x
Then
100x/60 = 67/8
10x/6 = 67/8
5x/3 = 67/8
5x * 8 = 67 * 3
40x = 201
x = 201/40
   = 5 1/40 inches
So the amount of rainfall in September in Washinton is 5 1/40 inches.

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Solve for x.
3(x)+10= 2x3+2x6

Answers

°°° Let's see -

Solve for x - BUT, before we do that, I want to look at the right side of the equal sign: I believe the 'x' on the right side '2 x 3 + 2 x 6' is actually a multiplication sign, so we'll replace that with a proper x so that we don't get confused.

°°° Rewrite the equation -

3 (x) + 10 = 2 × 3 + 2 × 6

°°° Simplify both sides of the equation -

3x + 10 = (2) (3) + (2) (6)

°°° Simplify again (Yes, again) -

3x + 10 = 6 + 12

3x + 10 = (6 + 12)  (Combine Like Terms)

3x + 10 = 18

°°° Subtract 10 from both sides -

3x + 10 - 10 = 18 - 10

3x = 8

°°° Divide both sides by 3 -

3x / 3 = 8 / 3

x = 8 / 3

°°°FINAL ANSWER°°° -

x = 8 / 3

↑    ↑    ↑  Hope this helps! :D

What is the least common multiple of 8 and 14

Answers

The least common multiple of 8 and 14 is 2.

Two sides of an isosceles triangle measure 3 inches and 13 inches respectively. Find the length of the third side. Explain your reasoning.

Answers

Because the triangle is isosceles, two sides have the same length.

So, the triangle may have sides 3, 3, 13 OR  3, 13, 13

The triangle inequality theorem states that one side of a triangle is less than the sum of the other two.

3, 3, 13 cannot be the sides of any triangle because 13 is not less than 3 + 3 which is 6.

3, 13, 13 are the lengths of the triangle with 13 being the length of the third side.
An isosceles triangle is a triangle that has two sides of equal length. If the lengths of two sides of this isosceles triangle are 3 inches and 13 inches, then the third side would be a length of 13 inches.
This can be reasoned in that a base of 13 inches is too wide for two sides of 3 inches to meet and create a triangle, but a base of 3 inches would make a base small enough for two sides of 13 inches to meet and form an isosceles triangle.

how do u estimate decimal  like 11.6 and 0.25

Answers

Estimation is about rounding answers to the nearest whole or to a simple fraction.
11.6 is closer to 12 than it is to 11 so we can estimate that
11.6≈12

And .25 is closer to 0 than it is to .5 so we can estimate
.25≈0

It also depends what place we are rounding to, we can say that .25 is close to .3 because we don't want to have a 0 value
.25≈.3
If the number is 0-4 round it down to number that comes before.If the number is 5-9 round it up to the number that comes after.

There are 4 more girls in Mrs. Pitt's class than Mr. Brown's class.  Five girls moved from Mrs. Pitt's class to Mr. Brown's class.  Now there are twice as many girls in Mr. Brown's class as there are in Mrs. Pitt's.  How many girls were in Mr. Brown's class to begin with?

Answers

3 girls were in Mr. Brown class in the beginning

Answer:

There were 7 girls in Mr. Brown's class to begin with.

i really hope this helps/brainliest is always appreciated

one side of the square is 10 units. which is greater, the number of square units for the area of the square or the number of units for the perimeter? explain.

Answers

It is the area because the perimeter is 10+10+10+10=40 but the area is 10*10=100.
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