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zhenek [66]
3 years ago
6

I need help. Thank you.

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
7 0

Answer:

27

Step-by-step explanation:

green is 30%

blue is 50%

red is 6 marbles which when calculated is equal to 20%

blue would then be 15 marbles as the whole 100% would equal to 30 marbles

if 40% is added which is also 12 marbles then 15+12 = 27

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3x squared minus 12x=-54
Alex777 [14]
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Hey !!

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7 0
3 years ago
Martha divides $94 amongst her friends. Leon gets twice as much money as K. Jill gets five more dollars than Leon. Isaac gets $1
vlada-n [284]

Let me see if I can solve this on my own.

So $94 is the first amount.

It got divided so, 94÷2 = $47

So, It's either $47 or this.

47 + 47 (or times 2) = 94 again. But gets five more dollars than Leon. So 94+5= 99 then -10 = 89 but 89 ÷ 2 = 44.5 but since money can't really be half. It's eithier $44 or $45 but in my opinion is $45.

So, these are the most reasonable answers. $47 or $45. You can pick the answer that you thinks makes more sense. This took a long time so I hope this helps!

4 0
3 years ago
Read 2 more answers
Select the option fo “?” That continues the pattern in each question. <br> 3, -6, 12, 4, 20, ?
Elza [17]

Answer:

The sixth number in series is 13.

Step-by-step explanation:

Given series : 3, -6, 12, 4, 20, ?

The pattern followed by the series is:

The first number = 3

Second number = 3 - 9 = - 6

Third number = - 6 + (9 ×2) = -6 + 18 = 12

Fourth number = 12  - 8 = 4

Fifth number = 4 + (8 ×2) = 20

Sixth number = 20 - 7 = 13

Seventh number = 13 + (7 ×2) =  13 + 14 = 27 and so on.

So as per the above pattern, the sixth number in the series is 13.

6 0
3 years ago
The maximum point of the function f (x) = -2x2 + 4x + 6 is:<br> please help me
Arisa [49]

Step-by-step explanation:

By Completing the Square,

\begin{align}f(x)&=-2x^2+4x+6\\&=-2(x^2-2x)+6\\&=-2(x^2-2x+1)+8\\&=-2(x-1)^2+8 \end{align}

Since the first tern is at most zero, the maximum value occurs when

x=1, f(x)=8

7 0
2 years ago
Write an expression that represents the perimeter of the equilateral triangle
murzikaleks [220]

Answer:

8

Step-by-step explanation:

if you multiply 4 and then minus and 12 and then add the times then you will get 8

8 0
2 years ago
Read 2 more answers
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