Answer:
$4
Step-by-step explanation:
divide $28 by 7 toys
you should get $4
3x-16=14
14+16=30
3x=30
30 divided by 3 equals 10
x = 10
Answer:
No they are not
Step-by-step explanation:
in the second expression
it would turn out to be
4^xy+3^xy
Which is way different then just
4+3^xy
Answer:
The slope is y= 1/1 - 2
Step-by-step explanation:
If you look at the graph, you will see that the points of the line go up one step and over one step each time. Then, the y-intercept is at -2. (This is where the line intersects the y-axis)
Answer: P(x > - 0.23) = 0.41
Step-by-step explanation:
Since we are assuming that the readings at freezing on a batch of thermometers are normally distributed, we would apply the formula for normal distribution which is expressed as
z = (x - µ)/σ
Where
x = the readings at freezing on a batch of thermometers.
µ = mean temperature reading
σ = standard deviation
From the information given,
µ = 0°C
σ = 1.00°C
the probability of obtaining a reading less than -0.23°C is expressed as
P(x > - 0.23)
For x = - 0.23
z = (- 0.23 - 0)/1 = - 0.23
Looking at the normal distribution table, the probability corresponding to the z score is 0.41
