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Ghella [55]
3 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:
algol133 years ago
7 0

Answer:

i found the answer is 16÷19

Nina [5.8K]3 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

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Solve the problem. 8^4x = 135
kirill [66]
8^4x=135
log(8^4x)=log(135
4x*(log(8))=log(135)
4x=log(135)/log(8)
4x=2.358939
4x/4=2.358939/4
x=0.589735
6 0
3 years ago
Solve the equation-8+6m= 1/2(4m+16) for m
Lena [83]

Answer:

m = 4

Step-by-step explanation:

Given

- 8 + 6m = \frac{1}{2}(4m + 16) ← distribute parenthesis

- 8 + 6m = 2m + 8 ( subtract 2m from both sides )

- 8 + 4m = 8 ( add 8 to both sides )

4m = 16 ( divide both sides by 4 )

m = 4

6 0
3 years ago
Read 2 more answers
<img src="https://tex.z-dn.net/?f=2%20%7Bx%7D%5E%7B2%7D%20%20-%205x%20%3D%207" id="TexFormula1" title="2 {x}^{2} - 5x = 7" alt=
FinnZ [79.3K]

Answer:

x = -7/2 or x =1

Step-by-step explanation:

2xx - 5x - 7 = 0

2x(x - 1) + 7(x - 1) = 0

(2x +7) (x -1) = 0

x = -7/2 or x =1

4 0
3 years ago
Complete the statements about the series
AleksAgata [21]

Answer:

Ok, first in our series we can see two numbers in the Sigma, one bellow 0, and other above, 4.

This means that the value of k will go from 0 to 4, then all the numbers in the sum are:

(-1/2)^0 + (-1/2)^1 + (-1/2)^2 + (-1/2)^3 + (-1/2)^4

So we have 5 terms in our series.

b) to see the sign in each term, we must solve the powers, remember that:

(-1)^n is -1 if n is odd, and is equal to 1 if n is even, so we have:

(-1/2)^0 + (-1/2)^1 + (-1/2)^2 + (-1/2)^3 + (-1/2)^4

= 1 -1/2 + 1/4 - 1/8 + 1/16.

So the sign in each term of the series alternates.

4 0
3 years ago
Help find the value of x
Nookie1986 [14]

Answer:

x = 82

Step-by-step explanation:

The bottom angle is the same as the angle next to x + 6

A straight angle is 180 degrees.

You add the given angles: (x + 6) + (x + 10) = 2x + 16

180 = 2x + 16

- 16           -16

164 = 2x

x = 82

8 0
2 years ago
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