Mathematics High School

Find the greatest common factor of 75, 8, and 21

Answers

Answer 1
I believe the correct answer choice is 1 because the only factors of 8 are 2 and 4 which dont factor in to 75 or 21
Answer 2
75= 3×5×5
8=2×2×2
21=3×7
there's is no common factor between them aside 1
except u typed the wrong question

Related Questions

the area of one of the smaller circles is 8 pi in2. find the area of the shaded region

Answers

the answer is D. 16 pi

Answer:

D.

Step-by-step explanation:

Which one f the following would appear in the credits column of a bank statement for a checking account?

A. Bank fees
B. An ATM withdrawal
C. An online bill payment
D. A direct deposit

Answers

The direct deposit would appear in the credit's column of a bank statement for a checking account option (D) is correct.

What is direct deposit?

A direct deposit by a payer into a payee's bank account is referred to as a direct deposit. Businesses most usually use direct deposits to pay salaries and wages, and they are typically made through electronic funds transfers or physical deposits into a payee's bank account.

From the definition, the direct deposit is the amount which is deposited by the individual bank accounts.

A direct deposit would appear in the credit's column of a bank statement for a checking account.

Thus, the direct deposit would appear in the credit's column of a bank statement for a checking account option (D) is correct.

Learn more about the direct deposit here:

brainly.com/question/15701292

#SPJ2

Answer: A direct deposit



Step-by-step explanation:


In isosceles ∆ABC the segment BD (with D ∈ AC) is the median to the baseAC. Find BD, if the perimeter of ∆ABC is 50m, and the perimeter of ∆ABD is 40m.

Answers

See attachment.  It describes all of the conditions of the problem.

Solve x2 + 6x = 7 by completing the square. Which is the solution set of the equation?

Answers

x^2 + 6x = 7
Divide 6 by 2 and square the result and add to both sides of the equation.
6/2 = 3   3^2 = 9    x^2 + 6x + 9 = 7 + 9
x^2 + 6x + 9 = 16
(x+3)^2 = 16
x+3 = +- Sqrt 16) = +-4
x = -3+4 = 1
x = -3-4 = -7

howdy!!

yr answer is

A. {–7, 1} !!!

The figure in the picture is made up of 5 congruent squares. If the perimeter of the entire figure is 21.6 cm, find its area.

Answers

Perimeter is length plus width so use that to help you

A supplier offers a discount on a product bought in bulk. If you buy 240 parts, you get a $5 discount on each part, which reduces the cost to the same as buying 200 parts at full price. How much is each part?

Answers

Let $x =  the full price for a part.

200 parts at full price costs $x * 200 = 200x dollars

240 parts will have $5 discount per part. The cost is
240(x - 5) = 240x - 1200 dollars

The two costs are the same, therefore
240x - 1200 = 200x
40x = 1200
x = $30

Answer: $30

PLEASE HELP ME ASAP!!!


1. The average cost per ounce for glass cleaner is 7.7 cents with a standard deviation of 2.5 cents. What is the z-score of glass cleaner with a cost of 10.1 cents per ounce?

A. 0.96
B. 1.31
C. 1.94
D. 4.04
E. none of the above



2. A candy bar takes an average of 3.4 hours to move through an assembly line. If the standard deviation is 0.5 hours, what is the probability that the candy bar will take between 3 and 4 hours to move through the line?

A. .2119
B. .2295
C. .6731
D. .3270
E. .8849



3. The average noise level in a diner is 30 decibels with a standard deviation of decibels. 99% of the time, the noise level is below what value?

A. 16.04
B. 30.00
C. 36.00
D. 43.96
E. 48.00



4. The mean income per household in a certain state is $29,500 with a standard deviation of $5,750. The middle 95% of incomes is between what two values? The incomes are normally distributed.

A. $23, 750 and $35,250
B. $18,000 and $41,000
C. $29,500 and $41,000
D. $12,250 and $46,750
E. $12,325 and $81,550

Answers

Part 1:

The z-score of a value, a, given the mean, μ, and the standard deviation, σ, is given by

[tex]z= \frac{a-\mu}{\sigma} [/tex]

Thus, given that the average cost per ounce for glass cleaner is 7.7 cents with a standard deviation of 2.5 cents.

The z-score of glass cleaner with a cost of 10.1 cents per ounce is given by

[tex]z= \frac{10.1-7.7}{2.5} = \frac{2.4}{2.5} =\bold{0.96}[/tex]



Part 2:

Assuming the data is normally distribution, the probability that a normally distributed data is between two values a and b is given by

[tex]P(a\ \textless \ X\ \textless \ b)=P(X\ \textless \ b)-P(X\ \textless \ a) \\ \\ =P\left(z\ \textless \ \frac{b-\mu}{\sigma} \right)-P\left(z\ \textless \ \frac{a-\mu}{\sigma} \right)[/tex]

Thus, given that a candy bar takes an average of 3.4 hours to move through an assembly line and that the standard deviation is 0.5 hours.

The probability that the candy bar will take between 3 and 4 hours to move through the line is given by

[tex]P(3\ \textless \ X\ \textless \ 4)=P(X\ \textless \ 4)-P(X\ \textless \ 3) \\ \\ =P\left(z\ \textless \ \frac{4-3.4}{0.5} \right)-P\left(z\ \textless \ \frac{3-3.4}{0.5} \right)=P(z\ \textless \ 1.2)-P(z\ \textless \ -0.8) \\ \\ =0.88493-0.21186=\bold{0.6731}[/tex]



Part 3

Given that the average noise level in a diner is 30 decibels with a standard deviation of 4 decibels.

The value for which the noice level is below 99% of the time is the value for which the probability that the noice level is below that value is 0.99.

Assuming the data is normally distribution, the probability that a normally distributed data is less than a value, a, is given by

[tex]P(X\ \textless \ a)=P\left(z\ \textless \ \frac{a-\mu}{\sigma} \right)[/tex]

Thus, given that the average noise level in a diner is 30 decibels with a standard deviation of 4 decibels.

The value for which 99% of the time, the noise level is below is obtained as follows:

[tex]P(X\ \textless \ a)=0.99 \\ \\ \Rightarrow P\left(z\ \textless \ \frac{a-30}{4} \right)=P(z\ \textless \ 2.33) \\ \\ \Rightarrow\frac{a-30}{4}=2.33 \\ \\ \Rightarrow a=4(2.33)+30=\bold{39.32}[/tex]

Note: there is standard deviation value was omitted in the question post but I used 4 as my standard deviation. So you can substitute the appropriate standard deviation for you question.



Part 4:

From the empirical rule, it is known that for a normally distributed data that 95% of the data are within 2 standard deviations.

Thus, given that the mean income per household in a certain state is $29,500 with a standard deviation of $5,750.

The values between which 95% of the incomes lies is obtained as follows:

[tex]95\% \ of \ the \ data \ lies \ between \ \mu\pm2\sigma=\$29,500\pm2(\$5,750) \\ \\ =\$29,500-\$11,500 \ and \ \$29,500+\$11,500=\bold{\$18,000 \ and \ \$41,000}[/tex]

Final answer:

The student's questions involve calculating z-scores and applying knowledge of normal distributions to determine probabilities and percentile ranges within a set of data. Correct answers include finding the z-score for glass cleaner costs, determining the probability of assembly line time for a candy bar, identifying the noise level not exceeded 99% of the time in a diner, and calculating the income range for the middle 95% in a state.

Explanation:

To solve these problems related to standard normal distribution and probabilities, we'll follow a step-by-step process. For each question, you'll either need to calculate a z-score or apply knowledge of normal distributions.

The z-score for a glass cleaner costing 10.1 cents per ounce when the mean cost is 7.7 cents and the standard deviation is 2.5 cents is calculated as: z = (10.1 - 7.7) / 2.5 = 0.96. The correct answer is A.The probability of a candy bar taking between 3 and 4 hours through the assembly line involves finding the area under the normal curve between these two z-scores: z for 3 hours and z for 4 hours. Use z-tables or calculators to find P(3 < X < 4) = P(Z < (4 - 3.4) / 0.5) - P(Z < (3 - 3.4) / 0.5) which gives us C. 0.6731.To find the noise level that is not exceeded 99% of the time, use the z-score that corresponds to 99% in the standard normal distribution and multiply by the standard deviation and add to the mean. This gives us 43.96 decibels, with D being the correct answer.The middle 95% of normally distributed incomes is found using z-scores that correspond to the 2.5th percentile and 97.5th percentile because 95% is in between. The correct answer is A. $18,000 and $41,000.

If a bag contains 16 red,6 yellow, 24 blue, and 8 white ballons, what is the part-to-whole ratio of yellow ballons to all ballons

Answers

6/48
Or even just 8 when you divide it

Which of the following is equivalent to 30p^4q^3r + 42p^2r - 18p^2q^2r when it is completely factored?
A. 3pr(10p^3q^3 + 12p - 9pq^2)
B. 6(5p^4q^3r + 7p^2r - 3p^2q^2r)
C. 6p^2q^2r(5p^2q + 4)
D. 6p^2r(5p^2q^3 + 7 - 3q^2)

Answers

30p^4q^3r + 42p^2r - 18p^2q^2r 
= 6p^2r (5p^2q^3 + 7 - 3q^2)

answer
D. 6p^2r(5p^2q^3 + 7 - 3q^2)
The answer is:  [D]:  " 6p²r (5p²q³ + 7 − 3q²) " .
__________________________
Note:
__________________________
Given:
__________________________
30p⁴q³r + 42p²r - 18p²2q²r  ;

we can factor out a 

"6p²r" ;
_________________________________________________
to get:

" 6p²r (5p²q³ + 7 − 3q²) " ; which is:  "Answer choice:  [D]" .
_________________________________________________

how do you solve this 2 step equation: 9+9n=9

Answers

Move 9 over to the other side so your equation looks like this:
9n = 9 - 9
Then simplify
9n = 0
n = 0
Step 1: Move all terms not containing n to the right side of the equation.
Since 9 does not contain the variable to solve for, move it to the right side of the equation by subtracting 9 from both sides.

9n = −9+9
9n=-9+9
Add −9 and 9 to get 0.
9n=0

Step 2: Divide each term by 9 and simplify.
Divide each term in 9n = 0 by 9
9n=0 by 9.
9n/9=0/9

Step 3: Reduce the expression by canceling the common factors.
n=0/9
Divide 0 by 9 to get 0.
n=0

The Smith family rented a recreational vehicle for a seven-day vacation. The cost to rent the recreational vehicle was $560 plus $0.50 per mile. How many miles were driven if the total cost was $1350?

Answers

First you find out how much money is owed by the smith family for just the $0.50 per mile. You take the full owed amount and subtract the $560 to rent it which will give you with $790.00. Then you take 790 number and divide by .5 for $0.50. Your answer then would be 1,580. The smith family traveled 1,580 miles
Final answer:

The Smith family drove 1580 miles during their seven-day vacation in the rented recreational vehicle, calculated by subtracting the flat rental fee from the total cost, and then dividing by the cost per mile.

Explanation:

This question centers on simple algebra. To calculate the number of miles driven, you need to first understand that the total cost consists of a flat rental fee and the cost per mile driven. First, we take the total cost, $1350, and subtract the flat fee of $560 from it. This leaves us with $790.

We then divide that $790 by the price per mile, which is $0.50. The calculation would then be as follows: $790 ÷ $0.50 = 1580 miles. Therefore, the Smith family drove 1580 miles during their seven-day vacation in the recreational vehicle.

Learn more about Solving Word Problems here:

https://brainly.com/question/6867142

#SPJ2

Megan is starting a business selling cookies. She researched other businesses to determine the price that people are willing to pay for a dozen cookies her results can be represented by the equation n=-2p+16 where P is the price per dozen cookies and N is the number of dozens sold where does the graph of the equation cross the x-axis?

Answers

The graph crosses the x-axis at y = 0.

n = -2p + 16

0 = -2p + 16

2p = 16

p = 8

(8, 0)

Option C.

A 6 pound bag of grass seed covers 2,000 square feet. How many pounds would be needed to cover 25,000 square feet? Round the answer to the nearest pound.

Answers

6/2000 = x / 25,000.....6 lbs to 2000 sq ft = x lbs to 25,000 sq ft
cross multiply
(2000)(x) = (6)(25,000)
2000x = 150,000
x = 150,000/2000
x = 75 <== 75 lbs

How many 10 are in 64785

Answers

6478 10's. To be accurate; 6478.5


Triangle DEF is formed by the three squares P, Q, and R:

A right triangle DEF is shown. On the side DE of this triangle is a square. Inside the square is written Square P, and below it and inside the square is written Area equal to 64 square units. On the side EF of this triangle is another square. Inside the square is written Square Q, and below it and inside the square is written Area equal to 225 square units. On the side DF of this triangle is another square. Inside the square is written Square R, and below it and inside the square is written Area equal to 289 square units.

Which statement best explains the relationship between the sides of triangle DEF?

DE + EF = DF, because 64 + 225 = 289
(DE)2 + (EF)2 = (DF)2, because 172 + 82 = 152
(DE)2 + (EF)2 = (DF)2, because 64 + 225 = 289
DE + EF = DF because, 172 + 82 = 152

Answers

using the Pythagorean Theorem

 a^2 + b^2 = C^2

 so correct answer is:

 (DE)2 + (EF)2 = (DF)2, because 64 + 225 = 289


Answer:

(DE)2 + (EF)2 = (DF)2, because 64 + 225 = 289

Step-by-step explanation:

Which function below is the inverse of f(x) = the quantity of two x plus three, over five.?f−1(x) = the quantity of five x plus three, over twof−1(x) = the quantity of five x minus three, over twof−1(x) = five over the quantity of two x plus threef−1(x) = five over the quantity of three minus two x?

Answers

Original function: f(x)=(2x+3)/5
[change f(x) to y]: y=(2x+3)/5
[swap x and y]: x=(2y+3)/5
[solve again for y]: 5x=2y+3
y=(5x-3)/2
f-1(x) = (5x-3)/2..."The quantity five x minus three, over two

Answer:

[tex]f^{-1}(x)=\dfrac{5x-3}{2}[/tex]

f⁻¹(x) = the quantity of five x minus three, over two

C is correct

Step-by-step explanation:

Given: [tex]f(x)=\dfrac{2x+3}{5}[/tex]

We need to find inverse of function f(x)

Step 1:  Set f(x)=y

[tex]y=\dfrac{2x+3}{5}[/tex]

Step 2: Switch x and y

[tex]x=\dfrac{2y+3}{5}[/tex]

Step 3: Solve for y (isolate y)

[tex]5x=2y+3[/tex]

[tex]2y=5x-3[/tex]

[tex]y=\dfrac{5x-3}{2}[/tex]

Therefore, [tex]f^{-1}(x)=\dfrac{5x-3}{2}[/tex]

Now we write as sentence form,

Inverse of f(x) is 5 times of x minus 3 over 2.

Hence, f⁻¹(x) = the quantity of five x minus three, over two

A shop advertised a 27% off sale. If a coat originally sold for 253 , find the decrease in price and the sale price

Answers

253 * 0.27= 68.31 (discounted price)

253-68.31 OR 253*0.73= 184.69 (sale price)

Suppose you're given the formula R = s + 2t. If you know that s is three times greater than t, how could you rewrite the formula?
A. R=3 (s+t)
B. R=5s
C. R=5t
D.R=3(s+2r)

Answers


r=s+2t
s=3t
so R = 3T+2T=5T



Answer:the answer is C

Step-by-step explanation:

How long is the arc subtended by an angle of 9π/5 radians on a circle of radius 30 cm?
A) 9π
B) 27π
C) 54π
D) 108π

Answers

Answer:

54π

Step-by-step explanation:

54π is correct. (9π/5)(30)= 54π

The required length of an arc is 54π cm which is subtended by an angle.

What is an arc?

The arc is a portion of the circumference of a circle.

To find the arc length, we first need to find the circumference of the circle. The circumference of a circle is given by the formula C = 2πr, where r is the radius of the circle.

Plugging in the values given in the problem, we find that the circumference of the circle is C = 2π(30 cm) = 60π cm.

Then, to find the arc length, we need to find the fraction of the circumference subtended by the angle of 9π/5 radians.

The circumference of the circle is 2π radians, so the fraction of the circumference subtended by the angle of 9π/5 radians is (9π/5)/(2π) = 9/10.

Multiplying the fraction of the circumference subtended by the angle by the circumference of the circle, we find that the arc length is (9/10)(60π cm) = 54π cm.

Therefore, the correct answer is (C) 54π cm.

Learn more about arc of the circle here:

brainly.com/question/1577784

#SPJ2

9 more than the quotient of negative 36 and negative 4

Answers

9+(-36 divided by -4)= 18

-36divided by -4 is 9 (negative divide by a negative is a positive)

then you add 9 which is 18
(-36/-4)+9

9+9

18

The answer is 18. Hope this helps!

The typical flight of stairs has 12 steps. Billy is on a new fitness regimen that requires him to climb at least 300 steps each day. His fitness tracker says he has already climbed 175 steps.
Let n represent the number of flights of stairs Billy has yet to climb.
Create the inequality that symbolizes this situation.
Then answer this.
If Billy climbs 10 more flights of stairs, will he meet his required 300 steps?


Answers

300(at least or < + =)12n+175
and No because he would have only climbed 295 steps.
Your minimum of steps is 300, and you have already have climbed 175 steps.

You would base your equation as 300 ≤ n + 175.

But, you need to fix the equation on one unit. Let's go with the stairs route.

If he goes up 10 more flights, you can multiply the amount of steps per flight (12) by the amount of flights (10).

10 × 12 = 120

So, you need to figure out if 300 ≤ 120 + 170 is a true statement. Solving it would be adding 120 to 170.

120 + 170 = 290

Well, 300 is not ≤ 290, so the answer would be no, he wouldn't reach his goal.


The diameter of a circle is 18 centimeters. what is the radius? d=18 cm give the exact answer in simplest form.

Answers

The diameter of the circle is 18 cm.

The radius is one half the diameter.
Therefore the radius is  18/2 = 9 cm

Answer: 9 cm

The perimeter of triangle ABC is 54. The triangle has side lengths AB=3x, BC=4x, and AC= 5x. Find the length of each side.

Answers

54 = 5x+4x+3x

54= 12x

x= 54/12

x=4.5

AB= 3(4.5)
= 13.5

BC= 4(4.5)
= 18

AC= 5(4.5)
= 22.5

Hope I helped :)

What is the coefficient in the expression 3x/13+4 ?


Enter your answer in the box.

Answers

the coefficient of a variable  is any number multiplied by it so in this case the variable is x and the number multiplied by it is [tex] \frac{3}{13} [/tex]

If a student scores a 17/35 on a test, what is their percentage on it?

Answers

17/35 = 0.485 rounds to 0.49 = 49%
17/35 (Divide)
= 0.485714285 (Answer)
=0.49 (Rounded)
49% (Converted answer)

Lannie order 12 copies of the same book for his book club members to build cost $19 each and the order has a $15 shipping charge what is the total cost of lannie's order

Answers


19 x 12 = 228

228 + 15 = $243

How many 3-digit numbers can you write using only the digits 1 and 2?

Answers

For the first digit, you have two possible choices: 1 or 2. For *each* of those choices, you can choose 1 or 2 for the second digit in the number, and for each of *those*, you can choose 1 or 2 for the third digit of the number.

That’s 2 * 2 * 2 or 8 possible 3-digit numbers you can make with the digits 1 and 2.

The equation of line p is y = 52x + 72. line q is parallel to line p. the slope of line q is?

Answers

line q would have the same slope as line p, in order to be parallel

A wooden board is leaning against a house. the base of the board is 10 ft from the base of the house and the base of the board forms a 35 degree angle with the ground
so what is the length of the wooden board?

Answers

check the picture below.

make sure your calculator is in Degree mode.

Please be a good person and help me..I really need to get this right to boost my grade in math ((and boy do I need it!!))

Use the graph shown to fill in the blank.

When x = 1, then y = a0.

Answers

Use a different color pen to draw a vertical line through x = 1 on the x axis. See the attached image and you'll see I'm drawing a vertical red line. This red line crosses the slanted black line at the location (1,-2), which is the blue point marked. The x coordinate of this point is x = 1 and the y coordinate of this point is y = -2. 

So when x = 1, the value of y is y = -2 which is the final answer
Other Questions
(1 pt)How did several Native American groups that lived on the plains govern themselves?A.by shamans or chiefsB.by elected officialsC.by kings or emperorsD.by farmers and hunters _____ is a new nontariff barrier that was designed to prevent foreign producers from using predatory pricing. Was reconciliation between the American colonies and Great Britain possible in 1774? Why or why not? Write an algebraic expression for the word phrase: six times a length w What is the missing leg length of the hypotenuse 23 and the other leg is 11?? What fraction is equivalent to 1/3 using the LCD? Choose the best option from A,B,C or D to complete the following sentences:1. He finished the paintings ... for the exhibition.A. in good time B. for the time being C. from time to time D. time after time2. Hello. Is that 21045? Please put me ... to the manager.A. across B. up C. over D. through3. So little ... that the neighbors could not settle their differences.A. they agreed B. agreed did they C. did they agree D. they did agree evaluate 12 - 6 +(14-8)^2 What does it mean that the media could be bias? What is 0.16666666666 as a simplified fraction The Celtic form for seven is _____.SechtSapaSept Which of these is a chemical sedimentary rock that is similar to limestone and contains magnesium? A.chert B.rock salt C.dolostone D.rock gypsum Why are mr. and mrs.number so happy answer sheet? What is the definition of "cache," and in what circumstances would it be appropriate to use it? The patient is soaked with blood. he is awake with respirations of 38. his pulse is weak and there is no palpable radial pulse. what is the triage category of this patient? If three lines intersect at one point, them they are ? coplanar. A) always, B) never, C) sometimes why did the Spanish start bringing african slaves to the caribbean colonies and settlements? Which sentence most clearly uses imagery HELP!! Find the area of a window that measures 3 yards by 3/4 yard. A. 2 1/4 yd B. 6 1/2 yd^2C. 2 1/4 yd^2D. 6 1/2 simplify 18A. 23B. 29C. 32D. 92 Steam Workshop Downloader