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
dimulka [17.4K]
3 years ago
12

Find the exact length of side a

Mathematics
1 answer:
pantera1 [17]3 years ago
5 0

The figure is a scalene triangle, and the exact length of side a is √13

<h3>How to determine the exact length of side a?</h3>

To calculate the length of a, we make use of the following law of cosine

a² = b²  + c² - 2bc * cos(A)

Using the values in the figure, we have:

a² = 3√2²  + 5² - 2 * 3√2 * 5 * cos(45)

Evaluate the expression

a² = 18  + 25 - 30

Evaluate the sum and the difference

a² = 13

Take the square root of both sides

a = √13

Hence, the exact length of side a is √13

Read more about law of cosines at:

brainly.com/question/4372174

#SPJ1

You might be interested in
A box contains 17 balls numbered 1 through 17. Two balls are drawn in succession without replacement. If the second ball has the
Brilliant_brown [7]

Answer:

1 ; 7 /17

Step-by-step explanation:

17 balls numbered 1 through 17

Picking without replacement :

If the second ball picked = 4

P(first ball has a smaller number)

Numbers less Than = (3, 2, 1)

P(number less than second ball Given 4 is drawn for second ball) :

= (3/17 * 1/16) ÷ (3/17 * 1/16) +) 14/17 * 0)

= (3 / 272) / (3 /272) * 0

= 3 / 272 * 272 / 3

= 1

2.)

(8/17 * 7/8) ÷ (8/17 * 7/8) + (9/17 * 1/17)

7/17 ÷ (7 /17) + 10/17

7 /17 ÷ 17/17

7/17 ÷ 1

7 /17

7 0
3 years ago
Your class is selling boxes of flowers as a fundraiser. The profit p depends on the amount x that your class charges for each bo
Korvikt [17]

Answer:

$ 22.6

Step-by-step explanation:

Given that

Price charged for each box of seeds = x

Profit gained from from selling boxes of seeds = p

The equation of profit is modeled as

P(x) = 0.5x² + 36x - 179

As per given information if the fundraisers make a profit of  $379 then find the minimum price charged for each box of seed.

Now our above equation becomes

379 = -0.5x² + 36x - 179

Simplifying

379+179 = -0.5x² + 36x

558 = -0.5x² + 36x

0.5x² - 36x + 558 =0

multipying both sides of equation by 2

2(0.5x² - 36x + 558) = 2x0

x² - 72x +1116 = 0

Using quadratic formula we get the following factors

x= 49.4 or x= 22.60

As we can the smalles value is 22.6

So, they can charge 22.6 dollar for each bag of seeds in order to get profit of 379 dollars.

NOTE.- just substitute values and resolve

5 0
4 years ago
15 POINTS! + BRAINLIEST.
bezimeni [28]

Answer:

x^6 + 2 x^5 - 6 x^4 + 3 x^2 + 6 x - 18

Step-by-step explanation:

f(x) = x^2 +2x-6

g(x) =x^4+3

We want to find f*g

(f*g)(x) = (x^2 +2x-6)(x^4+3)

Distribute

          =x^2*x^4 +3x^2 +2x*x^4 +2x*3 +-6x^4 -6*3

         = x^6 +3x^ +2x^5 +2x^3 -6x^4 -18

Combine like terms

         =x^6 + 2 x^5 - 6 x^4 + 3 x^2 + 6 x - 18

8 0
4 years ago
A rectangular lot is 65 meters wide and 110 meters long.Give the length and width of another rectangular lot that has the same p
xxTIMURxx [149]

Answer:

maybe you have to add

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Write three different polynomial functions such that f(3) = 2.
ahrayia [7]

Answer:

1. f (x) = x-1

2. f (x) = x^2-7

3. f (x) = x^3-25

Step-by-step explanation:

Many polynomials can be formulated so that f(3) = 2, some are as follows:

1. f (x) = x-1

verification:

f (3) = 3-1 = 2

meets the condition.

2. f (x) = x^2-7

verification:

f(3)=3^2-9=9-7=2

also meets the condition

3. f (x) = x^3-25

verification:

f (3) =3^3-25=27-25 = 2

It is also valid.

6 0
3 years ago
Other questions:
  • Simplify the expression, and explain each step. 1/3*q*3
    9·1 answer
  • Which lists all the integer solutions of the inequality |x| &lt; 4?
    10·2 answers
  • Which vehicle
    5·2 answers
  • (Answer Quickly!!!)<br> Order these numbers from least to greatest<br> 0.42, 2/5, 39%, and 1/3
    6·1 answer
  • A construction firm bids on two different contracts. Let E1 be the event that the bid on the first contract is successful, and d
    14·1 answer
  • The world's largest ocean, the Pacific ocean, has an area of about 200,000,000 km^(2) , which can be written as 2 x 10 ^(n) km^(
    13·2 answers
  • Help me help me math question
    15·2 answers
  • 10. What is the stope of the line shown in the graph Express your answer as an improper fraction or as an integer as appropriate
    14·1 answer
  • A circular pool has a radius of 10 feet. What is the area of the pool? Use 3.14 for it. The area of the pool is about ft?​
    6·1 answer
  • Area of the shaded region: ___ units squared
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!