Please help me understand

Mathematics

1 answer:

ioda2 years ago

7 0

9514 1404 393

Answer:

C. 18 inches

Step-by-step explanation:

The median of a trapezoid is the line segment that joins the midpoints of the sides of the trapezoid. It is halfway between the parallel bases, and is parallel to them. It length is the average of the lengths of the two bases:

(15 +21)/2 = 36/2 = 18 . . . . inches

You might be interested in

3. Identify the following as true or false. For those that are false, explain why they are false.

harkovskaia [24]

Answer:

a:false

b:true

c:true

Step-by-step explanation:

a:the sum of all the probabilities in the distribution must be equal to one.

My apologies if any are wrong.

4 0

3 years ago

How do I make a ten to find the sum

Naddika [18.5K]

Use strategies such as counting on; making ten (e.g., 8 + 6 = 8 + 2 + 4 = 10 + 4 = 14); decomposing a number leading to a ten (e.g., 13 – 4 = 13 – 3 – 1 = 10 – 1 = 9); using the relationship between addition and subtraction (e.g., knowing that 8 + 4 = 12, one knows 12 – 8 = 4); and creating equivalent but easier or ...

5 0

3 years ago

Read 2 more answers

Ethan bought 4 packages of pencils. After he gave 8 pencils to his friends, he had 40 pencils

Inessa05 [86]

Answer:

Step-by-step explanation:

8 0

3 years ago

Estimate the slope of the tangent line of the function y(t)=\sqrt{(3t+1} at the point t=2.

Korvikt [17]

Answer: 0.567

Step-by-step explanation:

$y(t)=\sqrt{3t+1} \\\\y'(t)=\dfrac{3}{2\sqrt{3t+1} } \\\\y'(2)=\dfrac{3}{2\sqrt{3*2+1} } =\dfrac{3\sqrt{7} }{14} =0,56694670951384084082177480435127\approx{0.567}$