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Citrus2011 [14]
4 years ago
11

When rolling 3 standard number cubes, the probability of getting all three numbers to match is 6/216.

Mathematics
1 answer:
oee [108]4 years ago
4 0

Answer:

it would simplify to 1/36

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Find the area of the blue area if each<br> square represents 1.5 square meters.
Anni [7]

Check the picture below.

so the picture has a rectangle that is 8 units high and 12 units wide, and it has a couple of "empty" trapezoids, with a height of 5 and "bases" of 9 and 3.

now, if we just take the whole area of the rectangle and then subtract the area of those two trapezoids, what's leftover is the blue area.

\textit{area of a trapezoid}\\\\ A=\cfrac{h(a+b)}{2}~~ \begin{cases} h=height\\ a,b=\stackrel{parallel~sides}{bases}\\[-0.5em] \hrulefill\\ h=5\\ a=9\\ b=3 \end{cases}\implies \begin{array}{llll} A=\cfrac{5(9+3)}{2}\implies A=30 \end{array} \\\\[-0.35em] ~\dotfill\\\\ \stackrel{\textit{\large Areas}}{\stackrel{rectangle}{(12\cdot 8)}~~ -~~\stackrel{\textit{two trapezoids}}{2(30)}}\implies 96-60\implies 36

3 0
2 years ago
phil ate three less than twice as many pancakes as sara. together they combined to eat 15 pancakes. How many pancakes did each e
Levart [38]

Answer:

Let x represents the Sara eat pancake and y represents the Phil eat the pancake.

As per the statement:

Phil ate three less than twice as many pancakes as Sara.

"Twice as many pancake as Sara" means 2x

"three less than twice as many pancakes as Sara" means 2x -3

⇒y = 2x-3         .....[1]

It is also given that together they combined to eat 15 pancakes.

⇒x+y =15      .....[2]

Substitute equation [1] into [2] we get;

x+2x-3 = 15

Combine like terms;

3x-3 =15

Add 3 to both sides we get;

3x = 18

Divide both sides by 3 we get;

x = 6

Substitute the value of x in [1] we get;

y = 2(6)-3 = 12-3 =9

y = 9

Therefore, the pancakes did each eat are;

Sara eat pancake = 6 and Phil eat pancake = 9


8 0
3 years ago
A water treatment plant needs to maintain the ph of the water in the
lakkis [162]

Answer:

0.9971

Step-by-step explanation:

Mark Me As n Brainlist

3 0
3 years ago
Please help use your explanation too!
sveticcg [70]

Answer:

sorry dont know

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Besides the fact of being positive and odd integers, what do 997 and 1003 have in common?
soldier1979 [14.2K]

Answer:

Both are rational numbers

Both are Natural numbers

Both numbers are at the same distance of 1000

|1000-1003| = |997-1000|

Step-by-step explanation:

Both numbers have several things in common.

Both are rational numbers since they can be written as whole number fractions:

1003 = 1003/1

997 = 997/1

Both are Natural numbers, since they are non-negative integers.

Also both numbers are at the same distance of 1000.

| 997 -1000 | = 3

| 1000-1003 | = 3

4 0
3 years ago
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