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
navik [9.2K]
3 years ago
14

Can you please help me THAKS! IN A HURRY IT'S midnight and I am trying to finish my work from home My parents allow me to ask

Mathematics
1 answer:
rusak2 [61]3 years ago
7 0

Answer: 6.82

Step-by-step explanation:

So we know the Law of Sines which is that Sin A/a = Sin B/b = Sin C/c. The Sin on top of the fraction is the angle, and the letter on the bottom is the side opposite from that angle.

Our first step is going to be finding the last angle. We have 2 angles already, but one that's missing. We know that all triangles' angles add up to 180, so we can add 68+40=108. Then do 180-108 to get 72. Now we know the third and final angle.

Ok so back to Law of Sines. Now we can plug into that equation. We only need Sin A/a = Sin B/b (It doesn't matter what order you put them in). And remember the lowercase letter at the bottom represents the OPPOSITE side from one of the angles. Since the problem wants the side opposite Sin 68, let's set up a proportion.

\frac{Sin72}{7} =\frac{Sin 68}{x}

Set up we have what we know. We know one side, and opposite that is the angle we already solved for. Now we can cross multiply and end up with:

x (Sin 72)= 7(Sin 68)

Since we want to isolate x, we can divide each side by Sin 72.

x= 7(Sin 68)/Sin 72

So now let's put it into the calculator:

7(Sin 68)=6.2853

Now let's divide 6.2853/Sin 72

And you should be left with 6.82 if you round it!

You might be interested in
Well he buys two books at a bookstore. He spent $44.52 after 6% sales tax is applied, but the clerk does not provide him with th
mart [117]

Let x represent the cost of book B

Book A: $17.50

Book B: x

Sales tax: (A + B) x 6% = .06(17.50 + x) = 1.05 + .06x

book A + book B + sales tax = total cost

(17.50) + (x) + (1.05 + .06x) = 44.52 <em>plugged in all of the values</em>

18.55 + 1.06x = 44.52 <em>added like terms</em>

1.06x = 25.97 <em>subtracted 18.55 from both sides</em>

x = 24.50 divided 1.06 from both sides

Answer: $24.50

8 0
3 years ago
Pls answer fast. will give brainliest (v2)
Alinara [238K]

Answer:

Account B   principle for B=400, principle for A=200

Step-by-step explanation:

4 0
3 years ago
What is the best way to describe the solution of this system of equations?
fomenos
The answer for this problems is D. because the y-intercept is 4 for both equations.
please like and rate.
plus u can find the answer in math-way ;).
3 0
3 years ago
To determine the inverse of a point, you?
oksano4ka [1.4K]

So if you're asked to graph a function and its inverse, all you have to do is graph the function and then switch all x and y values in each point to graph the inverse. Just look at all those values switching places from the f(x) function to its inverse g(x) (and back again), reflected over the line y = x.

8 0
3 years ago
2-1/2 cups water minus 1-2/3 cups water =
weeeeeb [17]

The difference between the mixed numbers is equal to 5/6.

<h3>How to perform the subtraction between the two mixed numbers?</h3>

A mixed number is a number that is written as a whole number plus an improper fraction, here we want to compute:

(2 + 1/2) - (1 + 2/3)

We can group the whole numbers and the fractions, so we get:

(2 - 1) + (1/2 - 2/3)

Now we can simplify this so we get:

(2 - 1) + (1/2 - 2/3)

= 1 + (3/6 - 4/6) = 1 - 1/6 = 6/6 - 1/6 = 5/6

We conclude that the difference between the mixed numbers is equal to 5/6.

If you want to learn more about mixed numbers:

brainly.com/question/1746829

#SPJ1

7 0
2 years ago
Other questions:
  • Work out the value of (6.8 x 10²) x (1.3 x 10°)<br>Give your answer in standard form.​
    9·2 answers
  • Number 15. Find the equation of the line that passes through (3,-1) and is perpendicular to the line that passes through (-5, 2)
    10·1 answer
  • Write the equation for this line in slope-intercept form
    10·1 answer
  • In a certain school,260 students were present on monday,270 on tuesday,280 on wednesday,and 250 on thursday find the average num
    5·1 answer
  • How many solutions does the equation -9(x+6)=-9x+108 have?
    15·1 answer
  • Please help me white this it will be in the Picture. And do not look at Number 3
    10·2 answers
  • If you solve the equation for ax+by/c=d for x, what would you get?
    6·1 answer
  • Explain what is wrong with each of the following randomization procedures, and describe how you would do the randomization corre
    6·1 answer
  • 4
    11·1 answer
  • The figure shows a circle circumscribed around a triangle.
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!