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Wewaii [24]
3 years ago
13

Can someone help me? I am pretty bad at trig.

Mathematics
2 answers:
damaskus [11]3 years ago
7 0
Cos (x) = 3/5.8
x = cos⁻¹(3/5.8)
x = 59° (nearest whole number) (Answer D)

Sin x = 0.5
x = sin⁻¹(0.5)
x = 30° (Answer B)
vlada-n [284]3 years ago
5 0
6 is 59 degrees

7 is 30 degrees
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Help help help if u can answer this I’ll mark u brainliest (6) (the one in the middle)
Hoochie [10]

You just have to plug in each thing:

So f(0):

3(0)^2 - 4 = -4

so its not A

f(-2) and f(2):

3(-2)^2 - 4

3(2)^2 -4

now we don't even have to calculate these, anything to the power of an even number is a positive number so -2^2 and 2^2 both equal 4

B is correct, so you can do the others if you want to check, but if B is true the others shouldn't be true.

4 0
4 years ago
If p(x) = x^2 – 1 and q(x)=5(x-1), which expression is equivalent to (p – q)(x)? 5(x – 1) – x^2 – 1 (5x – 1) – (x^2 – 1) (x^2 –
Murrr4er [49]
P(x) = x^2 - 1
q(x) = 5(x - 1)
(p - q)(x) = p(x) - q(x) = (x^2 - 1) - 5(x - 1)
8 0
3 years ago
A sphere has a diameter of 14 ft. Which equation finds the volume of the sphere? V = four-thirds (7) cubed V = four-thirds pi (7
lidiya [134]

Answer:

V=4/3*πr^2 is the same as V=four-thirds pi &(7) cubed

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
You deposit $1200 in an account. The annual interest rate is 3%. How long will it take you to earn $108 in simple interest?
Kruka [31]

Answer:

<em>Interest = $3,888</em>

Step-by-step explanation:

Formula:

I = prt or I = p · r · t

what it stands for:

I = amount of interest

P = principal amount ($1,200)

R = interest rate (in years)(3% into decimal which would be .03)

T = amount of time (in years)($108)

so:

I = prt

I = (1,200)(.03)(108)

I = $3,888

Interest = $3,888

5 0
3 years ago
Does anyone know any of them
WINSTONCH [101]

the answer for 53. is the gram.


5 0
3 years ago
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