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hjlf
2 years ago
5

ILL GIVE BRAINLIEST!

Mathematics
1 answer:
tekilochka [14]2 years ago
4 0
The answer is y = 3/7x + 51
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F(x) = 3 sin x + 3 cos x
Darina [25.2K]
F ( x ) = 3 sim x + 3 cos x
f ` ( x ) = 3 cos x - 3 sin x
f `` ( x ) = - 3 sin x - 3 cos x = - 3 ( sin x + cos x )
The inflection points:
- 3 ( sin x + cos x ) = 0
sin x + cos x = 0
sin x = - cos x / : cos x
tan x = - 1
x 1 = 3π / 4
x 2 = 7π / 4
The function is concave up when f``(x) > 0
- 3( sin x+ cos x ) > 0
sin x + cos x < 0
tan x < - 1
f is concave up for:
x ∈ ( π/2, 3π/4 ) ∪ ( 3π/2, 7π/4)
f is concave down for: 
x ∈ ( 0, π/2 ) ∪ ( 3π / 4, 3π/2 ) ∪ ( 7π / 4, 2 π ).
5 0
3 years ago
Read 2 more answers
Help What is the solution?
VladimirAG [237]

Answer:

The answer is B.) x=1, y=2

Step-by-step explanation:

2(1)+2=4

3(1)+3(2)=9

3 0
2 years ago
Read 2 more answers
Identify the terms, like terms, coefficients, and constants in each expression.
sattari [20]
If you do what she said then you’ll get the answer
7 0
3 years ago
g A manufacturer of nickel-hydrogen batteries randomly selects 100 nickel plates for test cells, cycles them a specified number
nlexa [21]

Complete Question

A manufacturer of nickel-hydrogen batteries randomly selects 100 nickel plates for test cells, cycles them a specified number of times, and determines that 11 of the plates have blistered. Does this provide compelling evidence for concluding that more than 10% of plates blister under such circumstances?

A) State H_0 and H_a, (5 pts)

B) Test the hypothesis using the P-Value approach at a significance level of 4%: (15 pts)

Expert Answer

Answer:

a)H_0:p=0.10

  H_a:p>0.10

b) We fail to reject Null hypothesis

Step-by-step explanation:

From the question we are told that:

Sample size n=100

No. with blistered x=11

a)

Generally the Hypothesis given as

H_0:p=0.10

H_a:p>0.10

b)

Since p=0.10

Therefore

p'=\frac{11}{100}

p'=0.11

Test statistics

Z=\frac{p'-p}{\sqrt{p(1-p)}}

Z=\frac{0.11-0.10}{\sqrt{0.10*0.90/100}}

Z=1.33

From table

P-Value =0.092

Therefore

P-value >0.04 significance level

Hence,We cannot conclude that at 4\% significance level the proportion is greater than 10\%

We fail to reject Null hypothesis

4 0
3 years ago
Identify the pair of angles help please
aleksandrvk [35]

Answer:

C

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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