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2 years ago

Help?? LOL I’m literally so confused

Mathematics

2 answers:

Gennadij [26K]2 years ago

8 0

Answer:

Step-by-step explanation:

8-7=1

maw [93]2 years ago

7 0

Answer: 2

Step-by-st\ep explanation:

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Helpppp please i’m struggling

IrinaK [193]

C is the correct answer

6 0

2 years ago

Please help me. I'm going to fail if someone doesn't and quick please.

Ainat [17]

Answer:

Step-by-step explanation:

To find volume, you have to multiply all the given sides. Therefore, 14 x 5 x 6 = 2,100. (5 x 6=30 x 14=2100)

7 0

3 years ago

What is the solution of (3x + 8)/(x - 4) >= 02

ipn [44]

Answer:

3x+8=0

x=-8/3The face of the denominator must be 0

And the face and denominator of the fraction must be positive

Step-by-step explanation:

4 0

2 years ago

the local independent party wants to poll registered voters to see the proportion who would consider voting for an independent c

SpyIntel [72]

Answer: 1308

Step-by-step explanation:

Given : Level of confidence = 0.97

Significance level : $\alpha=1-0.97=0.03$

Critical value : $z_{\alpha/2}=2.17$

Margin of error : $E=0.03$

If prior proportion of population is unknown , then the formula to find the population proportion is given by :-

$n=0.25(\dfrac{z_{\alpha/2}}{E})^2$

$\Rightarrow n=0.25(\dfrac{2.17}{0.03})^2=1308.02777778\approx1308$

Hence, the minimum sample size needed =1308

6 0

2 years ago

A particle p is moving along the x-axis the displacement x metres from O can be writen as x=t^5-12t²+9 find the velocity

Lisa [10]

Answer:

$v = t (5t^{3} - 24)$

Step-by-step explanation:

We are given an expression to solve for the displacement (x), so in order to find velocity (v), we need to differentiate the function.

============================================================

Solving :

⇒ $\frac{dx}{dt} = \frac{d}{dx} (t^{5} - 12t^{2} + 9)$

⇒ $v = (5)t^{5-1} - (2)12t^{2-1} + 0$

⇒ $v = 5t^{4} - 24t$

⇒ $v = t (5t^{3} - 24)$

Using this equation, we can find the velocity if a value of t is given.

5 0

1 year ago