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kifflom [539]
3 years ago
8

Another attachment. Remember to answer correctly, please.

Mathematics
2 answers:
Arte-miy333 [17]3 years ago
3 0
The answer is 9 units

musickatia [10]3 years ago
3 0
I would say the answer to AC is 9 units.


Hope this helps!!
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What is the value of x? Enter your answer in the box
g100num [7]

x = 180° - 67° - 52°

x = 61°

So, the value of x is 61°

5 0
4 years ago
What is the value of the midpoint of AB on a
guapka [62]

Answer:

-14

Step-by-step explanation:

point AB = -23-5 /2 = -14

3 0
3 years ago
A ball is being inflated at a rate that can be modeled by the function V(t) = 10t, where t is the number of seconds spent inflat
krek1111 [17]

Answer:

r = \sqrt[3]{7.5 t/\pi} \\

Step-by-step explanation:

Given volume as a function of time is for a ball is  V(t) = 10t

we know that volume of a sphere is given by (4/3) *\pi * r^3

where r is radius of sphere

Note we are using formula for sphere as  ball is spherical in shape

Now equating volume V(t) = 10t,  and volume of a sphere is given by formula (4/3) *\pi * r^3

10t = (4/3 ) \pi r^3\\=> 10t * 3/4 = \pi r^3\\=>(10t * (3/4))/\pi  = r^3\\=> r^3=  (30/4)*t /\pi = 7.5 t/\pi \\=>  r = \sqrt[3]{7.5 t/\pi} \\\\or \\ r = ({7.5 t/\pi})^1/3

Hence radius at a given volume can be modeled by function

=>  r = \sqrt[3]{7.5 t/\pi} \\\\\\

4 0
3 years ago
Several years ago, the mean height of women 20 years of age or older was 63.7 inches. Suppose that a random sample of 45 women w
VikaD [51]

Since the p - value is less than significance level . So, we will accept the null hypothesis.

​(a) State the appropriate null and alternative hypotheses to assess whether women are taller today.

Definition of null hypothesis : The null hypothesis attempts to show that no variation exists between variables or that a single variable is no different than its mean. it is denoted

Alternative Hypothesis : In statistical hypothesis testing, the alternative hypothesis is a position that states something is happening, a new theory is true instead of an old one (null hypothesis).

We are given that The mean height of women 20 years of age or older was 63.7 inches.

So, null hypothesis :  H₀ : μ = 63.7

Alternative Hypothesis :  H₁ : μ > 63.7

b)The​ P-value for this test is 0.06.

The p-value represents the probability of getting a sample mean height of 20 years old women is  64.1 inches.

c) Write a conclusion for this hypothesis test assuming an alpha equals 0.10 level of significance.

p- value = 0.06

Since the p - value is less .

So, we will accept the null hypothesis

So,  

Hence The mean height is 63.7 inches

To learn more about hypothesis testing from the given link

brainly.com/question/12976831

#SPJ4

7 0
2 years ago
Using all the letters in the alphabet how many two letter codes can we form if we are allowed to use the same letter twice?
babymother [125]
There are 26 possible choices for the 1st letter in the code.
There are also 26 choices for the 2nd letter in the code.

---> 26*26 = 676 total possible two-letter codes
4 0
3 years ago
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