Solve the problem.Find the expected number of girls in a family of 3 children.

A. 2
B. 2.5
C. 1.5
D. 2.25


Answer: C

Mathematics

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Convert the numeral to a numeral in base ten.2301fifteen

A. 7426 B. 3465 C. 496 D. 346

Mathematics

Write the decimal in numbers.Three thousand and eighty-five ten-thousandths

A. 30,085 B. 3000.085 C. 3000.0085 D. 3085.0000

Mathematics

Let  and compute the Riemann sum of f over the interval , choosing the representative points to be the left endpoints of the subintervals, using:

?
Two subintervals of equal length .
?
__________ sq units
?
Five subintervals of equal length .
?
__________ sq units
?
Ten subintervals of equal length .
?
__________ sq units
?
Can you guess at the area of the region under the graph of f on the interval ?
?
? __________ sq units

What will be an ideal response?

Mathematics

Solve the problem.The width of a rectangle is 6 kilometers less than twice its length. If its area is 176 square kilometers, find the dimensions of the rectangle.

A. length = 11 km, width = 16 km
B. length = 8 km, width = 10 km
C. width = 11 km, length = 16 km
D. length = 3 km, width =  km

Mathematics