my math question is what is 64% of 45

Answer:

the volume equals to length x width x height

Answer:

7

Step-by-step explanation:

Because the parts of the circle are congruent, the segments are as well, we can use that to make an equation then solve it like normal

9x-34=4x+1

-1 on both sides

9x-35=4x

-9x on both sides

-35=-5x

x=7

200 is the mean absolute deviation. Therefore, choice three (200) is the right one.

The absolute difference between the predicted and actual values must be determined, added together, and divided by the total number of periods.

Forecasted values are as follows: 1,500 and 1,400

Values in actuality: 1,200 and 1,500

Absolute differences:

|1,500 - 1,200| = 300

|1,400 - 1,500| = 100

Now, we calculate the MAD:

MAD = (300 + 100) / 2 = 400 / 2 = 200

Therefore, 200 is the mean absolute deviation. Therefore, choice three (200) is the right one.

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Step-by-step explanation:

\(perimeter = 10 + 10 + 10 \\ = 30\)

Answer:

I believe 34.

Step-by-step explanation:

12+12+10= 34

Answer:

\(|a| \to \: is \: the \: absolute \: value \: of \: a .\)

Step-by-step explanation:

\(|a| \to \: is \: the \: absolute \: value \: of \: a \\ if \: a \: is \: - 5 : then : \\ |a| = | - 5| = 5.\\ if \: a \: is \: 5 : then : \\ |a| = | 5| = 5. \\ \\ but \: \\ when \: its \: - |a| \\ if \: a \: is \: - 5 : then : \\ - |a| = - | - 5| = - 1 \times 5 = \boxed{ - 5}.\\ if \: a \: is \: 5 : then : \\ - |a| = - | 5| = - 1 \times 5 = boxed{ - 5}. \)

♨Rage♨

Step-by-step Answer:

Whenever we have a problem like this, we can have 2 solutions (either one can work) because, in absolute equations, we need to find how far away the number is from 0.

So the answer would simply be that a>2 and a<-2

a can be anything greater than 2 or a can be anything less than 2

The image below might help to better understand

Answer:

so sorry

Step-by-step explanation:

I'm sorry I need points.

...

Answer:

Step-by-step explanation:

17

if v1= [5 −4] and v2 = [4 −5] are eigenvectors of a matrix corresponding to the eigenvalues λ1=5 and λ2=6, respectively, then a(-3 - v1) = [-64 50].

To find the value of a(v1 + v2), we can use the fact that eigenvectors are vectors that are scaled by a matrix without changing direction. Therefore, we have:

a(v1 + v2) = a(v1) + a(v2) = λ1v1 + λ2v2

Substituting in the given values, we get:

a(v1 + v2) = 5[5 -4] + 6[4 -5] = [35 -26]

To find the value of a(-3 - v1), we can use the same idea:

a(-3 - v1) = -3a - av1 = -3(-3[5 -4]) - a[5 -4]

Substituting in the given values, we get:

a(-3 - v1) = [-39 30] - a[5 -4]

To find the value of 'a', we can use the fact that v1 is an eigenvector of a corresponding to the eigenvalue λ1=5. Therefore, we have:

av1 = λ1v1

Substituting in the given values, we get:

a[5 -4] = 5[5 -4] = [25 -20]

Substituting this value back into the expression for a(-3 - v1), we get:

a(-3 - v1) = [-39 30] - [25 -20] = [-64 50]

Therefore, a(-3 - v1) = [-64 50].

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The number of students that were randomly selected is 10. This can be determined from the number of responses.

Based on the given information, the number of students asked about the number of text messages they sent yesterday is the same as the number of values provided in the list.

The list of values provided is: 1, 0, 10, 7, 13, 2, 9, 15, 0, 3.

Counting the number of values in the list, we find that there are 10 values.

Therefore, we can conclude that 10 students were asked about the number of text messages they sent yesterday.

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The number of students that were randomly selected is 10. This can be determined from the number of responses.

Number of respondents

Based on the given information, the number of students asked about the number of text messages they sent yesterday is the same as the number of values provided in the list.

The list of values provided is: 1, 0, 10, 7, 13, 2, 9, 15, 0, 3.

Counting the number of values in the list, we find that there are 10 values.

Therefore, we can conclude that 10 students were asked about the number of text messages they sent yesterday.

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Participants in an experiment were asked to list either 6 or 12 instances in their lives when they were assertive. It is not true that participants who were asked to list only 6 instances relied on the availability heuristic when making their decision.

The availability heuristic is a cognitive shortcut where people make judgments based on the ease with which examples come to mind. In the context of the experiment, participants who relied on the availability heuristic would have listed assertive instances that were more recent or emotionally charged.

However, the statement "They relied on the availability heuristic when making their decision" is not true about the participants who were asked to list only 6 instances. The other statements are all true. Participants who listed only 6 instances rated themselves as less aggressive overall and had an easier time fulfilling the task compared to those who listed 12 instances. Therefore, they were given an easier task than the 12-instance participants.

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Answer:

140,000

Step-by-step explanation:

We know that the number is 143,699.

We are asked to round to the nearest ten thousand, which is the number bolded:

143,699

This means we have to look at the number to the right of the 4, which is 3.  If this number is below "5", then we round down to get 140,000.  

If this number was (and it's NOT) above "5" or "5" itself, we would round up to 150,000.  

Since "3" is below "5", we would round down to 140,000.

Hope this helps! :)

The number of marbles Ann had at the end is 54.

The percentage is calculated by dividing the required value by the total value and multiplying by 100.

Example:

Required percentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Total marbles = 100

The number of marbles:

Marcy:

= 25% of 100

= 1/4 x 100

= 25

Roger:

= 21

Now,

The number of marbles:

Ann = 100 - (25 + 21) = 100 - 46 = 54

Thus,

Ann has 54 marbles at the end.

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Answer:

3(4 + t) = t - 2

Step-by-step explanation:

Symbolically, we have:

3(4 + t) = t - 2

Answer:

B. 334 mph

explanation:

Answer:

D.) 68 ft²

Step-by-step explanation:

8×(10-2) + 2×2

8×8 + 4

64 + 4

68 ft²

the answer would be -6

Using function concepts, it is found that:

The domain of the scenario is: {0, 1, 2, 3, 4,...}.

The range of the scenario is: {0, 3, 6, 9, 12,...}

The domain of a function is the set that contains all possible input values.

The range of a function is the set that contains all possible output values.

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Answer: 1/3x

Step-by-step explanation:

Hey there!

f(x) = 1/3x

f(x) = 1/3(-3)

f(x) = 1/3(-3/1)

f(x) = 1(-3)/3(1)

f(x) = -3/3

f(x) = -1

Therefore, your answer should be:

f(x) = -1

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer: The width is 8 inches

Step-by-step explanation:

Trust me lol also 8 gose into both 96 and 12

(a) The probability that all five calls are emergencies is 0.00008.

(b) The probability that two or more calls are not emergencies is 0.67808.

(c) The smallest number of calls that the 911 operators need to answer to be at least 92% (or more) sure that at least one call is an emergency is 7

(a) If 85% of the calls are not emergencies, then the probability that a call is an emergency is 1 - 0.85 = 0.15. Assuming that the calls are independent, the probability that all five calls are emergencies is

0.15^5 = 0.0000759375

Rounding to five decimal places, the probability is 0.00008.

(b) The probability that a call is not an emergency is 0.85. The probability that two or more calls are not emergencies can be calculated using the complement rule

P(two or more calls are not emergencies) = 1 - P(all five calls are emergencies) - P(one call is not an emergency)

We can calculate P(one call is not an emergency) as

P(one call is not an emergency) = 5C1 * 0.15^1 * 0.85^4 = 0.3218359375

where 5C1 represents "5 choose 1", or the number of ways to choose 1 call out of 5. Using this, we can calculate:

P(two or more calls are not emergencies) = 1 - 0.00008 - 0.3218359375 = 0.6780840625

Rounding to five decimal places, the probability is 0.67808.

(c) To determine the smallest number of calls needed to be at least 92% sure that at least one call is an emergency, we can use the complement rule again

P(at least one call is an emergency) = 1 - P(no calls are emergencies)

We want this probability to be at least 0.92, so we can set up the following inequality

1 - (0.15)^n >= 0.92

where n is the number of calls. Solving for n, we get

n >= log(0.08) / log(0.15)

n >= 6.3979

Since n must be a whole number, we round up to n = 7.

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Answer:

9 women for every 3 men

Written as: 9:3

Can be simplified to 3:1  (9:3/3)

3 women to 1 man

Answer:

\(y=\frac{4}{5} x-5.\)

Step-by-step explanation:

1) the common form of linear function in slope=interseption form is: y=s*x+i, where 's' and 'i' are slope and interception, unknown numbers;

2) if f(0)=-5, that means i=-5 and the equation is y=s*x-5, where s - unknown number;

3) f(5)=-1 and if to substitute x=5; y= -1 into y=x*s-5, then it is possible to calculate the value of 's': -1=5s-5; ⇒ s=4/5;

4) finally, the required linear function is:

\(y=\frac{4}{5} x-5\).

P.S. note, the suggested way is not the shortest one.

The probability of tossing a head or rolling a green face will be 1/6.

The term probability refers to the likelihood of an event occurring.

Given that;

Mrs. Seems tosses one coin and rolls a special six-sided die with different colored faces.

Now,

Here, The die has two yellow faces, two red faces, and two green faces.

Hence, The probability of rolling a green face = 2 / 6

                                                                       = 1/3

And, The probability of tossing a head = 1/2

So, We get;

The probability of tossing a head or rolling a green face = 1/3 × 1/2

                                                                                      = 1/6

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The probability that the sample proportion will differ from the population proportion by more than 0.03 is 0.9476

To determine the probability

The given parameters are:

True proportion and the mean (p) = 0.06

The samples size (n) = 235

Start by calculating the standard deviation using

\(\sigma = \sqrt{\frac{p(1-p)}{n} }\)

This gives

\(\sigma = \sqrt{\frac{0.06\;*\;(1-0.06)}{235} }\)

\(\sigma = \sqrt{\frac{0.06\;*\;(0.94)}{235} }\)

\(\sigma = \sqrt{\frac{0.0564}{235} }\)

\(\sigma = \sqrt{0.00024 }\)

\(\sigma = 0.01549\)

Next, we calculate the x values

\(x = x_{1} \pm x_{2}\)

where x₁ = 0.06 and x₂ = 0.03

x = x₁ + x₂ , x₁ - x₂

x = 0.06 + 0.03, 0.06 - 0.03

x = 0.09, 0.03

Calculate the z score for both x values

\(z = \frac{x\; - \; \mu}{\sigma}\)

\(z = \frac{0.09\; - \; 0.06}{0.01549}, \frac{0.03\; - \; 0.06}{0.01549}\)

\(z = \frac{0.03}{0.01549}, \frac{-0.03}{0.01549}\)

\(z = 1.94, -1.94\)

The p values at the z scores are:

p = 0.9738, 0.0262

Note: refer to z tables to find the p values

Calculate the difference

p = 0.9738 - 0.0262

p = 0.9476

Hence, the probability that the sample proportion will differ from the population proportion by less than 0.03 is 0.9476

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Answer:

C

Step-by-step explanation:

The product of a negative rational number and a positive integer is a negative rational number

Answer: C (A Negative Rational Number)

Step-by-step explanation

A Negative number mutiplied by a positive number is a negative number.

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-5/2

Step-by-step explanation:

-2-3/1-(-1) = -5/2

Given:

First five consecutive positive integers.

To find:

The sum of the first 5 consecutive positive integers.

Sum of the first ​n ​consecutive whole numbers.

Solution:

First five consecutive positive integers are 1, 2, 3, 4 and 5.

Sum of these numbers is

\(1+2+3+4+5=15\)

Therefore, the sum of the first 5 consecutive positive integers is 15.

First ​n ​consecutive whole numbers are 0, 1, 2, 3,..., (n-1). These numbers are in AP.

Here, first term is 0 and common difference is 1.

Sum of n terms of an AP is

\(S_n=\dfrac{n}{2}[2a+(n-1)d]\)

where, a is first term and d is common difference.

Substitute a=0 and d=1 in the above formula.

\(S_n=\dfrac{n}{2}[2(0)+(n-1)(1)]\)

\(S_n=\dfrac{n}{2}[n-1]\)

Sum of first 5 consecutive positive integers is equal to the sum of first 6 consecutive whole number because in whole numbers 0 is extra number.

For n=6,

\(S_6=\dfrac{6}{2}[6-1]\)

\(S_6=3(5)\)

\(S_6=15\)

The sum of the first 5 consecutive positive integers is 15.

So, the sum of (n-1) consecutive positive integers is

\(S_n=\dfrac{n}{2}[n-1]\)

Answer:

X -int= -9 Y -int = -3