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Ghella [55]
4 years ago
5

There are 19 marbles in a bag: 6 are blue, 3 are white, and 10 are green. If 1 marble is drawn what is the probability that it i

s either blue or green?
Mathematics
2 answers:
algol134 years ago
7 0

Answer:

i found the answer is 16÷19

Nina [5.8K]4 years ago
6 0

Answer:

84

Step-by-step explanation:

100 divided by 19 is 5.26

19-3 is 16

5.26 multiplied by 16 is (rounded) 84

You might be interested in
Factor this trinomial 4x^2-6x-10 If you can please try to show me how to do it.
lilavasa [31]

Answer:

=2(2x-5)(x+1)

Step-by-step explanation:

So we have the trinomial:

4x^2-6x-10

First, factor out a 2:

=2(2x^2-3x-5)

Now, factor within the parentheses.

To do so, we want to find two numbers. When multiplied, these two numbers must equal (a)(c) and when added, they must equal b

(a)(c) is 2(-5) or -10 and b is -3. So, we want two numbers that when multiplied together gives -10 and when added gives -3.

-5 and 2 works. Therefore:

=2(2x^2-3x-5)

Replace -3x with 2x and -5x:

=2(2x^2+2x-5x-5)

Factor out a 2x for the first two terms. And factor out a negative 5 for the remaining two:

=2(2x(x+1)-5(x+1))

Grouping:

=2(2x-5)(x+1)

And we're done!

8 0
3 years ago
Selesaikan persamaan linear serentak berikut.<br> 2x + y = -5<br> 3x - 4y = 9
makkiz [27]

Answer:

(-1;-3)

Step-by-step explanation:

\left \{ {{4(2x+y)=4*(-5)} \atop {3x-4y=9}} \right.  \ => \ \left \{ {{8x+4y=-20} \atop {3x-4y=9}} \right. \ => \ \left \{ {{11x=-11} \atop {2x+y=-5}} \right. \ => \ \left \{ {{x=-1} \atop {y=-3}} \right.

8 0
3 years ago
Wants to build a regulation-size pool table that is 9 feet in length.The plans he ordered are 18 by 36 inches.what is the scale
Vlad [161]
<span>Length = the longer side

He wants to build a table with a length of 9ft.

The plans he has are 18ft x 36ft
Length of the plans =  36ft
Compare the length of the plans to the length he wants:
36 ft vs 9 ftThe length in the plans is 4 times longer than the length he wants.<span>

</span>Length he wants / Length of plans = your dilation scale factor

9 / 36 = ¼
1/4 = dilation scale factor

Hope this answers your question, and May the Force Be With You!

<span>-Jabba</span></span>
6 0
3 years ago
How many of the following numbers are prime numbers? {7, 17, 27, 57, 77, 97, 117}
Natasha_Volkova [10]
All of them because they can't be multiply by nothing more than 1 Exept 27
3 0
3 years ago
Read 2 more answers
Write 5.5% as a fraction in simplest form
worty [1.4K]

Answer:

11/200

Step-by-step explanation:

5.5% = 5.5/100 = 0.055

0.055 1000

———- X ———

1 1000

=55/1000

=11/200

4 0
3 years ago
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