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yulyashka [42]
3 years ago
14

A stack of nickels has a math of 45 grams. there are 9 nickels in the stack. what is the mass of 1 nickel

Mathematics
2 answers:
Stella [2.4K]3 years ago
8 0

Answer:

Step-by-step explanation:5

ZanzabumX [31]3 years ago
7 0
1 stack of nickels is S=45gm; given that there are 9 nickels on each stack you can divide the mass of the stack(45) by the number of nickels in a stack(9) to find the mass of 1 single nickel 

\frac{45gm}{9}=5gm 

<u>5gm = 1 nickel</u>
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This graph shows the solution to which inequality?
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The graph shows the solution to inequality is; y > ¹/₃x - 2

<h3>How to interpret Inequality Graphs?</h3>

From the given graph, we see that the line joining the two dotted coordinates is a dashed line and as such the inequality will be less than or greater than.

Now, If a line passing through two points, then the equation of line is;

y - y1 = [(y2 - y1)/(x2 - x1)](x - x1)

Using the two given coordinates, we have;

y - (-3) = [(-1 - (-3))/(3 - (-3))](x - (-3))

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Since the related line is dashed and the shaded region is above the line, therefore the sign of inequality is >.

The graph shows the solution to inequality is;

y > ¹/₃x - 2

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4 years ago
In a genetics experiment on​ peas, one sample of offspring contained 450 green peas and 371 yellow peas. Based on those​ results
laiz [17]

Answer:

P(G) = 0.55

the probability of getting an offspring pea that is green. Is 0.55.

Is the result reasonably close to the value of three fourths that was​ expected?

No

Expected P(G)= three fourths = 3/4 = 0.75

Estimated P(G) = 0.55

Estimated P(G) is not reasonably close to 0.75

Step-by-step explanation:

Given;

Number of green peas offspring

G = 450

Number of yellow peas offspring

Y = 371

Total number of peas offspring

T = 450+371 = 821

the probability of getting an offspring pea that is green is;

P(G) = Number of green peas offspring/Total number of peas offspring

P(G) = G/T

Substituting the values;

P(G) = 450/821

P(G) = 0.548112058465

P(G) = 0.55

the probability of getting an offspring pea that is green. Is 0.55.

Is the result reasonably close to the value of three fourths that was​ expected?

No

Expected P(G)= three fourths = 3/4 = 0.75

Estimated P(G) = 0.55

Estimated P(G) is not reasonably close to 0.75

3 0
3 years ago
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