anaslion111 anaslion111
  • 18-08-2020
  • Mathematics
contestada

please help right now

please help right now class=

Respuesta :

wiitong0394703
wiitong0394703 wiitong0394703
  • 18-08-2020

Answer:

4sqrt(2) + 1

Step-by-step explanation:

Well you know that cos 0 is 1

this means that a+b = 9

cos 60 is 1/2

this means 1/2 a + b = 5

a = 8

b = 1

now plug in for x = 45

cos 45 = sqrt(2)/2

Answer Link

Otras preguntas

What do minutemen, loyalist, and patriots have in common
how are observation and inference different
A block of wood has a mass of 180 grams. It is 10.0cm, long 6.0cm wide, and 4.0cm thick. What is it volume and density?
The sum of 3 fifteens and 17 fifteens
if an atom has 35 protons, how many electrons will it have orbiting the nucleus
What is the standard form of the number in the calculator’s display? The calculator shows eight point six e plus twelve a. 8,600,000,000,000 b. 860,000,000,000
The use of logic, making empirical observations, and performing dissections were all part of the scientific studies by a)Thales b)Aristotle c)Ptolemy d)Socrates
Dario is finding the percent of change from $52 to 125
What are two composite numbers between 60 and 90
What were conditions like for workers before the beginning of the labor movement??