bbellag17 bbellag17

22-06-2020
Mathematics

contestada

help on this one please??

help on this one please class=

Respuesta :

ronhagrid310 ronhagrid310

22-06-2020

Answer:

C = ~50 deg

Step-by-step explanation:

Apply the cosine theorem:

cos(C) = (CA^2 + CB^2 - AB^2)/(2*CA*CB)

= (7.5^2 + 6.5^2 - 6^2)/(2*7.5*6.5)

= 0.6410

=> C = ~50 deg

Hope this helps!

Answer Link

Otras preguntas

Given that f(x) = x sqaured - 10x + 16 and g(x) = x - 8, find f (x) · g(x) andexpress the result in standard form.

Find f(-1) for the function below. 4x if x <= -1x-2 if x > -1

which of the following is equivalent to sqrt (54a^3)/sqrt (2a) ?

if RS=2x+6 ST=x+4 and RT= 40 Find RS

A bucket can hold 26 litres of water when it is 8/9 full. How many litres can it hold when it is full?

purpose of pie chart and data example

The diagram below shows the mRNA codes that corresponds to amino acid and stop codons. Read the diagram from the center outwards. For example, the mRNA code UAC

which step of the performance management process are heidi and christopher at in the beginning of the video? multiple choice define performance provide support

Which sequence of transformations shows that ABCD is similar to EFGH?

PLEASE PLEASE HELP ASAPIn parallelogram ABCD, AD=19, EC=15, mABC=66°, mDAC=78° and mBDC=19°.Find mDAB.