Answer:
25
Step-by-step explanation:
We need to set up a system of equations, then solve for the number of board markers.
Let r represent red pens, let b represent board markers.
She has 41 items, so our first equation is r+b=41.
The total cost is $46.30, so our second equation is .55r+1.5b=46.3.
r+b=41
.55r+1.5b=46.3
Let's use substitution.
r+b=41
r=41-b
.55r+1.5b=46.3
.55(41-b)+1.5b=46.3
22.55-.55b+1.5b=46.3
22.55+.95b=46.3
.95b=23.75
b=25
He bought 25 board markers.
Step-by-step explanation:
2.5 m = 250 cm
so, the scale factor is 1/250
that means the tennis court is in reality
10×250cm × 5.5×250cm = 2500 × 1375 = 3,437,500 cm²
1 m² = 100×100 = 10,000 cm²
so,
3,437,500 cm² = 343.75 m²
Answer:
<h2>in my opinion it is not possible </h2>
Step-by-step explanation:
hope it helps you have a good day
Answer: The average difference of weights of all 48 eggs from mean eight is 0.08.
Step-by-step explanation:
The mean absolute deviation of a data interprets the mean distance between each data point and the mean.
When this distance goes larger it means data has greater variability
Given, 48 large eggs have a mean weight of 2.1 ounces and a mean absolute deviation of 0.08 ounces.
It means that the average difference of weights of all 48 eggs from mean eight is 0.08.
Answer: either b or c
Step-by-step explanation:
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