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RoseWind [281]
3 years ago
12

If someone is good at Precalculus or Physics, please help me solve this.

Mathematics
1 answer:
Kobotan [32]3 years ago
8 0
Magnitude of vector V =√(3²+7²) = √58

Hence: U= -3/√58 - 7/√58

OR multiply numerator and denominator by √58

U = - (3√58)/58 i - (7√58)/58 j
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Please help and show all work.
Stels [109]
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4 0
3 years ago
Need help with math. I will give brainliest!!!!!!
Mice21 [21]

Answer:

~~

Step-by-step explanation:

Ok so first 2.4 will have to be changed to 24 which means we multiplied it by ten making it 24/10 since it is tan it is opposite side/ adjacent side so your one of your legs will be 24 and one will be 10. Now we just plug that into the Pythagorean Theorem to find the hypotenuse and we get 26. The area is 24b10/2=120 the area is 120.

Leg a= 24

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Hypotenuse=26

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Read more on Brainly.com - brainly.com/question/12450752#readmore

5 0
3 years ago
Please help me out!!!
serg [7]

Answer:

x = 76.9

Step-by-step explanation:

Since this is a right triangle, we can use trig functions

tan theta = opp side / adj side

tan 70 = x/28

28 tan 70 = x

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Rounding to the nearest tenth

x = 76.9

8 0
3 years ago
Read 2 more answers
Jonathan bought a new computer for $1,716 using the electronic store's finance plan. he will pay $143 a month for 12 months. whi
Katena32 [7]

By this equation y = 1,716 - 112x he find that how much money he still owes after each month of the plan.

According to the statement

Jonathan bought a new computer for $1,716

He will pay $143 a month for 12 months.

Total amount he will for 12 months is 143(`12)

Now,

y = the money he still owes

x = the number of months (from x = 0 to x = 12)

y = 1,716 - 112x

So, By this equation y = 1,716 - 112x he find that how much money he still owes after each month of the plan.

Learn more about SUBSTITUTION METHOD here

brainly.com/question/3774975

#SPJ4

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2 years ago
Why is the ph of distilled water usually 7? how can you prevent this from happening?
Nimfa-mama [501]
The pH of distilled water is usually LESS THAN 7, because when it contacts air CO2 gas begins dissolving into the water.
3 0
3 years ago
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