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galina1969 [7]
3 years ago
10

What is the answer to this

Mathematics
2 answers:
Serjik [45]3 years ago
7 0
A.) 2 to the 30th power
b.) x to the 36th power
c.) y to the 33rd power
d.) z to the 0th power
UkoKoshka [18]3 years ago
6 0

Answers:

  • a) 2^30
  • b) x^36
  • c) y^33  
  • d) 1

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

Explanation:

The rule you use is

(a^b)^c = a^(b*c)

For something like (2^5)^6, we have a = 2, b = 5, c = 6

So,

(a^b)^c = a^(b*c)

(2^5)^6 = 2^(5*6)

(2^5)^6 = 2^30

because 2^30 is so massive, it's likely your teacher will want you to keep 2^30 as is and not use your calculator to find what it turns into.

The other expressions are simplified in a similar manner.

For part (d), you'll use the rule x^0 = 1, where x is nonzero.

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PLEASE I NEED HELPP !!o
Nikitich [7]

Answer:

I believe that the answer is Angle DBC and angle BDA form a pair of alternate interior angles that are congruent, not a pair of vertical angles.

Step-by-step explanation:

3 0
3 years ago
A safety officer wants to prove that μ = the average speed of cars driven by a school is less than 25 mph. Suppose that a random
melomori [17]

Answer:

t=\frac{24-25}{\frac{2.2}{\sqrt{14}}}=-1.70    

p_v =P(t_{(13)}  

If we compare the p value and the significance level given \alpha=0.05 and we can see that p_v>\alpha so we can conclude that we have enough evidence to FAIL reject the null hypothesis, so we can't conclude that the true average speed is lower than 25 mph at 5% of signficance.  

Step-by-step explanation:

Data given and notation  

\bar X=24 represent the sample mean

s=2.2 represent the sample standard deviation

n=14 sample size  

\mu_o =25 represent the value that we want to test

\alpha=0.05 represent the significance level for the hypothesis test.  

t would represent the statistic (variable of interest)  

p_v represent the p value for the test (variable of interest)  

State the null and alternative hypotheses.  

We need to conduct a hypothesis in order to check if the true mean for the average speed is lower than 25 mph, the system of hypothesis would be:  

Null hypothesis:\mu \geq 25  

Alternative hypothesis:\mu < 25  

If we analyze the size for the sample is < 30 and we don't know the population deviation so is better apply a t test to compare the actual mean to the reference value, and the statistic is given by:  

t=\frac{\bar X-\mu_o}{\frac{s}{\sqrt{n}}}  (1)  

Calculate the statistic

We can replace in formula (1) the info given like this:  

t=\frac{24-25}{\frac{2.2}{\sqrt{14}}}=-1.70    

P-value

The first step is calculate the degrees of freedom, on this case:  

df=n-1=14-1=13  

Since is a one side test the p value would be:  

p_v =P(t_{(13)}  

Conclusion  

If we compare the p value and the significance level given \alpha=0.05 and we can see that p_v>\alpha so we can conclude that we have enough evidence to FAIL reject the null hypothesis, so we can't conclude that the true average speed is lower than 25 mph at 5% of signficance.  

7 0
3 years ago
WILL MARK BRAINLIEST The quadratic 10x^2+100x+1000 can be written in the form a(x+b)^2+c, where a, b, and c are constants. What
Sever21 [200]
10x^2+100x+1000=10(x^2+10x+100)
=10(x^2+10x+25+75)
=10((x+5)^2+75)
=10(x+5)^2+750
\implies a=10,b=5,c=750
\implies a+b+c=765
6 0
3 years ago
If a jar wrench whose handle extends 17 cm from the center of the jar is attached to the lid, what is the minimum force required
Mrac [35]

Answer:

41.5 N

Step-by-step explanation:

Torque is given by:

τ = rF

Solved for force:

F = τ / r

The value of r is the distance from the end of the wrench to the center of the lid, which is:

r = (0.089m / 2) + 0.17m

= 0.2145m

Therefore:

F  = 8.9N∙m / 0.2145m

= 41.5N

7 0
3 years ago
Help me! I will give brainilest
swat32

Answer:

a)1/25 b)9/49 c)121/64 d)1/100

Step-by-step explanation:

Just square all the values since the area of a square is a²

4 0
3 years ago
Read 2 more answers
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