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nevsk [136]
3 years ago
14

Tom and jasper have the same percentage of blue marbles in their bags of marbles tom has 5 blue marbles and 20 total marbles jas

per has 12 blue marbles. how many of jasper marbles are not blue
Mathematics
1 answer:
stich3 [128]3 years ago
6 0
Tom - 5/20 or 1/4
Jasper - 12/x
12 x 4 = 48
12/48 or 1/4
48-12 = 36

36 of Jasper's marbles are not blue.
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A line drawn on the coordinate plane passes through the points (5, 3) and (9, –13). What is the equation of the line?
Fiesta28 [93]

Answer:

ehhhh 5,3

Step-by-step explanation:

6 0
2 years ago
What is the 4th term in the sequence b(n)=1(-2)^n-1
mel-nik [20]
b(n)=1(-2)^n-1

When n = 4, 
b(4)=1(-2)^4-1

b(4)=16-1

b(4)=15

-------------------------------------------------------------

b(n)=1(-2)^{n-1}

When n = 4
b(4)=1(-2)^{4-1}

b(4)=1(-2)^3

b(4)=1(-8)

b(4)=-8

8 0
3 years ago
The distribution of number of hours worked by volunteers last year at a large hospital is approximately normal with mean 80 and
wariber [46]

Answer:

E 0.923

Step-by-step explanation:

The Z score is a measurement used in statistics to determine the relationship between a value and a mean of a group of values measured as standard deviation from the mean. The z score (z) is given as:

z=\frac{x-\mu}{\sigma}, Where μ is the mean, σ is the standard deviation and x is the value.

Given that:

σ = 7, μ = 80 and x = 90  

z=\frac{x-\mu}{\sigma}=\frac{90-80}{7} =1.43

From the normal distribution table, P(X < 90) = P(z < 1.43) = 0.923

7 0
3 years ago
Does anyone know how to do this
Ksenya-84 [330]
The numbers on the top depend on how many sides a dice has. Hope this helps.

6 0
2 years ago
Help please 50 points
Hatshy [7]
For this, it is kind of like a triangle and having to find the diagonal. Let's see what the two legs of the triangle would be.
Leg one= 7 units
Leg two= 8 units
8²+7²= c²
64 + 49=113
√113≈10.6
The line is 10.6 units long.
4 0
3 years ago
Read 2 more answers
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