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Misha Larkins [42]
2 years ago
12

Find the value of X to the nearest tenth

Mathematics
1 answer:
KonstantinChe [14]2 years ago
3 0

Answer:

it is 10 rounded hope it help

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In aΔABC, if ∠B = 60° and the ratio of two sides is a : c = 2 : √3 + 1, then ∠A= ____.
UkoKoshka [18]

Answer:

∠A= 45°....

Step-by-step explanation:

To find  ∠A first we have to find the length of side B by cosine law:

b^2 = a^2 + c^2 – 2 a c cos B

b^2=(2)^2 +(√3 + 1)^2 - 2(2)(√3 + 1) cos 60

b^2 = 6

Taking square root at both sides:

√b^2 = √6

b= 2.45

Now we can calculate ∠A by sine law:

b / sin B = a / sin A

2.45 / sin 60 = 2 / sin A

sin A= 2* √3/2 /2.45

sin A = 2√3/2 * 1/2.45

sinA = 2√3/ 4.9

sin A = 0.7069

sin A = 0.707

A=45°

Thus ∠A= 45°....

4 0
3 years ago
Help me plz- ill give brainliest or however u spell it- .,.
mixer [17]
The answer is S= 3/5 x C
4 0
3 years ago
Read 2 more answers
The finances of a group of pet owners were analyzed to determine how much they were spending on their pets each year. Would (3,7
brilliants [131]

A variable solution for the function is not realistic to have 4.5 owners.

In the given graph x-axis represents the number of owners and the y-axis represents the yearly cost of pets, in hundreds.

It is given that the graph passes through the points (1,15), (3,7), and (10,0).

We need to check whether (4.5, 6) is a realistic solution for the function or not. (4.5,6) point represents

<h3>What is a realistic solution?</h3>

1 showing awareness and acceptance of reality. 2 practical or pragmatic rather than ideal or moral. 3 (of a book, film, etc.) depicting or emphasizing what is real and actual rather than abstract or ideal.

Number of owners = 4.5

the yearly cost of pets = 6

It is realistic that owners spend $600 a year on their pet(s).

A number of owners can not be a fraction value. So, it is not realistic to have 4.5 owners.

Therefore, the correct option is D.

To learn more about the realistic solution visit:

brainly.com/question/7784687

#SPJ1

6 0
2 years ago
QUESTION 4<br> Round the following number to two significant digits: 137,426.9
Mkey [24]
137,426.9 is 140,000 when rounded to 2 sig figs
8 0
2 years ago
PLEASE HELP ASAP ASAP ASAP ASAP ASAPA ASAP
Shkiper50 [21]
5/3=1.6666 hope this helpssssssssssssssssssss
7 0
3 years ago
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