1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
never [62]
2 years ago
8

Pleaseee help, Solve for x and y :3

Mathematics
1 answer:
irina1246 [14]2 years ago
6 0

Answer:

x = \sqrt{6} , y = 2\sqrt{3}

Step-by-step explanation:

using the tangent ratio and the exact value tan45° = 1 , then

tan45° = \frac{opposite}{adjacent} = \frac{x}{\sqrt{6} } = 1 , then

x = \sqrt{6}

----------------------------------

using the cosine ratio in the right triangle and the exact value

cos45° = \frac{1}{\sqrt{2} } , then

cos45° = \frac{adjacent}{hypotenuse} = \frac{\sqrt{6} }{y} = \frac{1}{\sqrt{2} } ( cross- multiply )

y = \sqrt{6} × \sqrt{2} = \sqrt{12} = 2\sqrt{3}

You might be interested in
Help with number two
BabaBlast [244]

Answer:

y = -2x+1

Step-by-step explanation:

We have a point and a slope, so we can use the point slope form of a line

y-y1 = m(x-x1)  where m is the slope and (x1,y1) is the point

y-3 = -2(x--1)

y-3=-2(x+1)

Distribute the 2

y-3 = -2x-2

Add 3 to each side

y-3+3 = -2x-2+3

y = -2x+1

This is in slope intercept form

7 0
3 years ago
The total bill for drinks and a pizza for three people is $15.65 with tax included. How much should each person pay if they are
Hatshy [7]

Answer:

5.21666667

Step-by-step explanation:

yopu do the total bill divided by 3

7 0
3 years ago
Write an equation of the line in slope-intercept form (–2, –2), slope = –4 *
jek_recluse [69]

Answer:

D

Step-by-step explanation:

8 0
3 years ago
Why does the multiplicative inverse of a number have the same sign as the number?
denis23 [38]
<span>Look at the definition of multiplicative inverse. If two numbers are multiplicative inverses of each other, then by definition, their product will be equal to 1. And 1 is a positive number. If both numbers being multiplied are positive, then the result is positive. And of both numbers being multiplied are negative, then the result is still positive. But if one number is positive and the other is negative, then the result is negative. So if you want a positive result, then both numbers you're multiplying have to have the same sign. And since we want a result of 1 for multiplicative inverses and since 1 is positive, then the numbers being multiplied have to have the same sign.</span>
7 0
3 years ago
It is known that 10% of the calculators shipped from a particular factory are defective. What is the probability that exactly th
IRINA_888 [86]

Answer:0.0081  or 0.81%

Step-by-step explanation:

The required probability is P(3,5,0.1)= C5 3 * p^3*q^2, where

C5 3=  5!/3/2=4*5/2=10

p is the probability that one randomly selected calculator is defective= 10%=0.1

q is the probability that one randomly selected calculator is non-defective.

q=1-p=1-0.1=0.9

So P(3,5,0.1)= 10*0.1^3*0.9^2=0.01*0.81=0.0081

4 0
3 years ago
Other questions:
  • Find the arc length of the semicircle
    11·2 answers
  • 8.45x10^-2 in standard form?
    5·2 answers
  • Solve for x. You must write your answer in fully simplified form.<br><br> -12x = 10
    11·1 answer
  • PLEASE HELP WILL GIVE BRAINLIEST, THANKS, AND RATE 5 STARS!!!
    7·1 answer
  • 4ab2 − 3ab2= what is it?
    12·1 answer
  • PLeaase answer it, its really important ill give out brainliest
    9·1 answer
  • write the first five terms of the sequence defined by the recursive formula an = 2 (an-1)^2, with a1 = 1.
    7·1 answer
  • What is cash? yes thats the question on edge
    6·1 answer
  • Help please :) On a small island, scientists observed and graphed changes in wolf and moose populations. From 1965 to 1970, whic
    8·1 answer
  • Please Help due today
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!