3 years ago

Math help? One question?

1 answer:

3 0

My triangle solver says EF ≈ 7.5 ft.

_____
The law of cosines is usually used for this.

EF^2 = DE^2 +DF^2 -2*DE*DF*cos(D)
.. = 6^2 +11^2 -2*6*11*cos(40°)
.. ≈ 55.88

EF ≈ √55.88 ≈ 7.5 . . . ft

You might be interested in

Breifly describe the rules of multiplying and dividing integers

Ivan

Answer:

Just multiply the absolute values and make the answer positive. When you multiply two integers with different signs, the result is always negative. Just multiply the absolute values and make the answer negative. When you divide two integers with the same sign, the result is always positive.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

You buy 2.25 pounds of plums and 1.55 pounds of bananas. Plums and bananas sell for the same price per pound. The total cost, a

siniylev [52]

Answer:how much can we choose hurry and tell me so I can give you the answer

Step-by-step explanation:

4 0

3 years ago

A value is in the domain of a function if there is a(n)_____ on the graph at the x-value.

ANEK [815]

Answer:

Point

Step-by-step explanation:

8 0

3 years ago

Five cupcakes and two cookies cost $19.75. Two cupcakes

djverab [1.8K]

Answer:

4.375 dollars per cookie and 2.2 dollars per cupcake

Step-by-step explanation:

hope this helps

5 0

3 years ago

What is (-1 1/2) to the 3 power

saw5 [17]

Answer:

-3.375

Step-by-step explanation:

1. convert -1 1/2 to -3/2

2. (-3/2)^3

3. -27/8

4. -3.375

brainliest maybe ?

6 0

3 years ago