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
Inessa05 [86]
3 years ago
9

Determine the unknown side length using the law of cosines. Please help, thank you!

Mathematics
2 answers:
Veseljchak [2.6K]3 years ago
5 0

Answer:

x = \sqrt{7^{2} + 5^{2} - 2 .7.5.cos 42} = ~4.689

Hope you find it useful, bro!

natka813 [3]3 years ago
4 0

Answer:

x = \sqrt{7^{2} + 5^{2} - 2 .7.5.cos 42} = ~4.689

Step-by-step explanation:

You might be interested in
A customer buys a different book that has an original selling price of $38. The book is discounted 25%. The customer must pay a
krok68 [10]
$38.00 x 0.25= $9.50
$38.00 - $9.50= $28.75
$28.75 x 0.06= $1.725
$28.75 + $1.73= $30.48

5 0
3 years ago
Read 2 more answers
Can someone please help me with this question
aev [14]
A is x times larger than B
4*10^-3=x times larger than 4*10^-4
4*10^-3=x*4*10^-4
divide both sides by 4
10^-3=x*10^-4
divide both sides by 10^-4
10^1=x
10^1=10
answer is 10 times or C
5 0
3 years ago
Can someone be my friend
marta [7]

Answer: yes

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Please answer I am begging !!!
dlinn [17]

Answer:

z=8,154

Step-by-step explanation:

To find the answer for this is you take 21,137 and subtract 12,983 from it.

21,137-12,983=8,154

12,983 + z = 21,137

12,983 + 8,154 = 21,137

3 0
3 years ago
While at a picnic, 42 adults drank iced tea, 24 adults drank bottled water, and 36 adults drank lemonade. What's the ratio, as a
alexira [117]

42 drank iced tea

60 drank either water or lemonade

So the ratio would be 42:60 or 7/10 as a fraction.

So D is the correct answer

3 0
3 years ago
Read 2 more answers
Other questions:
  • A case of grapefruit weighs 35 3/4 pounds. of this weight, 1/8 is not ripe. What is the weight of the grapefruit that are ripe?
    6·1 answer
  • How many hours will it take a culture of bacteria to increase from 20 to 2000? Use k= 0.614
    5·1 answer
  • 758 rounded to the nearest hundred is
    13·2 answers
  • A number is chosen at random from the first 100 positive integers. Find the probability that the number is a multiple of 7. 7/50
    14·2 answers
  • Place the following steps in order to complete the square and solve the quadratic equation,
    8·1 answer
  • Sixty-five percent of employees make judgements about their co-workers based on the cleanliness of their desk. You randomly sele
    6·1 answer
  • Can someone help me with this math homework please!
    13·2 answers
  • Below is the graph of a trigonometric function. It has a maximum point at (-5, 2.5) and a minimum point at
    10·1 answer
  • Y = 6x<br> 2х + Зу = -20
    14·1 answer
  • Find the slope of the line that passes through (−1, 3) and (1, 13).
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!