Mathematics College

Which of these phrases contain a variable? Check all that apply.

A. Eight miles long
B. The speed of the scooter
C. Two pounds of nails
D. The width of the book​

Answers

Answer 1

Answer:

B. The speed of the scooter.

Step-by-step explanation:

hope it helped

Related Questions

ASAP (WILL MARK BRAINLIST) THANK YOU

Answers

1. 46 + j
2. u - 17
3. 15 - k
4. r / 3
5. 17f

Is this a
function?
Why or why not

Answers

It is a function bc it passed the vertical line test which is where if u draw a straight line thru every part of the arrow there is only 1 point on that line, making it a function.

Solve the given system of equations graphically. For each problem, identify all solutions and
provide basic sketches of the graphs with identifying features (e.g., intercepts, intersection points, etc.).
3x + y = 20
x - 2y = 10

Answers

Answer:

aaa

Step-by-step explanation:

Which model shows a ratio of 1 white to 2 blue?

Answers

The first answer choice

Suppose there is an estate sale featuring many items sold at different prices. The mean selling price of the items is 75 dollars, and the standard deviation is 20. A piece of costume jewelry is priced at 15 dollars. Which of the following statements is true?

Answers

Answer: The price of the costume jewelry is 3 standard deviations to the left of the mean.

The price of the costume jewelry is 3 standard deviations to the left of the mean.

What is the mean?

The mean (aka the arithmetic mean, different from the geometric mean) of a dataset is the sum of all values divided by the total number of values.

How to solve it?

The price of the costume jewelry is 3 standard deviations to the left of the mean.

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Please help me !!!!!!

Answers

Answer:

it's option is last one.

Subtract to eliminate y.

Hope it will help :)❤

b) Find the value of 3^-3 x 10

Answers

Answer:

-270

Step-by-step explanation:

= 3^-3 × 10

= -27× 10

= -270

write each ratio in simplest form
50 to 4 =

Answers

Answer:

50:4

Step-by-step explanation:

Anthony is preparing to paint a large shipping container and needs to calculate the area of the container so he can buy the correct amount of paint. The equation he uses to find the area, A, in square feet is Syntax error from line 1 column 49 to line 1 column 73. Unexpected 'mathsize'. where l is the length, w is the width, and h is the height of the container. The container is 8 feet wide, 12 feet high, and 24 feet long. What is the area of the container in square feet?

Answers

Answer:

the answer is 1152

Step-by-step explanation:

Answer:

1,152!

Step-by-step explanation:

Hope it helps! <3

I GIVE BRAINNLILSTTTT

Answers

Answer: Its an enlargement

Enlargement - Getting bigger

Reduction - getting smaller

I kinda need this now :/ Help pls, Will give brainlist**

Answers

Answer:

Answer:

you said you needed 22,23

22. y=7x-6

23. y=-x

Step-by-step explanation:

use math-way to put in the points

it explains for you

Step-by-step explanation:

Pls help this is due by midnight

Answers

Answer:

Cost of four DVD= 36.7, but due to 25% discount it cost 27.57. Then add 7.75 taxes and he payed 29.71. Answer is 29.71

Step-by-step explanation:

Answer:

$27.71

Step-by-step explanation:

Price of 1 DVD: $9.19

Price of 4 DVDs: 4 * $9.19 = $36.76

Discount: 25%

Now we find 25% of $36.76.

25% of $36.76 =

= 0.25 * $36.76

= $9.19

The 25% discount amounts to $9.19. We now subtract $9.19 from $36.76 to find the discounted price.

$36.76 - $9.19 = $27.57

Now we need to apply the 7.75% tax to $27.57.

7.75% of $27.57 =

= 0.0775 * $27.57

= $2.14

The sales tax is $2.14.

Now we add the sales tax amount to the total discounted price.

$27.57 + $2.14 = $29.71

Answer: $27.71

What is the ratio for Cos C?​

Answers

Answer:

[tex] Cos(C) = \frac{40}{41} [/tex]

Step-by-step explanation:

Ratio of Cos C using the trigonometric ratios formula, would be:

[tex] Cos(C) = \frac{adjacent}{hypotenuse} [/tex]

Adjacent = BC = 40

Hypotenuse = AC = 41

Plug in the values

[tex] Cos(C) = \frac{40}{41} [/tex]

A living room wall is 13 feet long. How far from the corner would you have to the edge of a 3ft 6in shelf for it to be centered on the wall?

Answers

Answer:

You start the shelf 4 ft. 9 in. from the wall.

Step-by-step explanation:

The game plan is to take the length of the shelf away from the length of the wall, and then divide the remaining part into two equal pieces.

13 ft.

-  3 ft. 6 in.

12 ft  12 in,

- 3ft    6 in

9 ft   6 in.

9 ft. 6 inches divided by 2 equals 4.5 ft, 3 in.

.5 ft * 12 inches = 6 inches

You start the shelf 4 ft. 9 in. from the wall.

The length from the corner for the edge of a 3ft 6in shelf for it to be centered on the wall is A = 4.75 feet = 4 feet 9 inches

What is the diagonal of a rectangle?

The diagonal of a rectangle is calculated by the formula

From the Pythagoras Theorem , The hypotenuse² = base² + height² , and

Diagonal of a Rectangle = √ ( Length )² + ( Width )²

Given data ,

To center a shelf on a 13-foot long wall, we need to find the midpoint of the wall, and then subtract half the length of the shelf to determine the position of the shelf's edge.

First, we need to convert 3 feet 6 inches to feet. There are 12 inches in a foot, so:

3 feet 6 inches = 3 + 6/12 = 3.5 feet

Now , the diagonal of the rectangular shelf is

The midpoint of the wall is half of 13 feet, which is:

13 / 2 = 6.5 feet

To find the distance from the corner to the edge of the shelf, we need to subtract half the length of the shelf from the midpoint of the wall:

6.5 feet - 1.75 feet = 4.75 feet

Hence , the shelf should be placed 4.75 feet from the corner to be centered on the 13-foot long wall.

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The number of typing errors made by a typist has a Poisson distribution with an average of five errors per page. If more than five errors appear on a given page, the typist must retype the whole page. What is the probability that a randomly selected page does not need to be retyped

Answers

Answer:

0.61596

Step-by-step explanation:

Given that:

λ = 5 (5 errors per page)

Poisson distribution formula :

P(x = x) = (λ^x * e^-λ) / x!

Probability that page does not need to be retyped means that error on page is less than or equal to 5

P(x ≤ 5) = p(x = 5) + p(x = 4) +... + p(x = 0)

The individual probabilities can be obtained using the formula above or the use of a calculator

P(x ≤ 5) = 0.17547 + 0.17547 + 0.14037 + 0.08422 + 0.03369 + 0.00674

P(x ≤ 5) = 0.61596

what is tbe percentage​

Answers

Answer:

5/33

Step-by-step explanation:

Probability=10/66

P=5/33

Answer:

5/33

Step-by-step explanation:

Solve the following equation algebraically

3x2 = 48

a. +6.93
b. +8
c. +4
d. +0.25​

Answers

Answer:

C. +4

Step-by-step explanation:

I calculated logically

If (4,y) is a solution to x-2y = 6, what is the value of y?

Answers

Answer:

(4, -1)

Step-by-step explanation:

(4, y) is a solution to x - 2y = 6.

Find the value of y:

[tex]4-2y=6\\\\4-4-2y=6-4\\\\-2y=2\\\\\frac{-2y=2}{-2}\\\\\boxed{y=-1}[/tex]

The value of y is '-1'.

(4, -1) is a solution to the equation.

Hope this helps.

Solve the equation 5x-8=57

Answers

Answer:

X = 13

1. Add 8 to both sides of the equation

5

5x-8=57

add 8 to both sides

5x=65

divide both sides by 5

x=13

The price of one stock fell $12.50 in five days. How much did the stock’s price change each day (on average)?

Answers

Answer:

-$2.50

Step-by-step explanation:

Since it said that one stock fell $12.50,that means that the $12.50 is negative.Then you have to do -12.50 ÷ 5 which equals -2.50

Hope this helped!

judy works 8 hours a day. she works 6 days a week. how many hours per week

Answers

Answer:

48 hours

Step-by-step explanation:

8 x 6 = 48

Answer:

she works 48 per week

Step-by-step explanation:

8*6=48

the perimeter of a parallelogram ABCD is 78cm. AD is 3cm more than twice AB. Find the length of all four sides of ABCD

Answers

Answer:

AB=12 AD= 27

Step-by-step explanation:

Mathematics question

Answers

Answer:

8

Step-by-step explanation:

MP=16

NP = 14

So that means N is farther to O by 2 units

So: 10-2 = 8

How many and what type of solutions does the equation have?
a2−2a+5=0


two rational solutions

one rational soultion

two nonreal solutions

two irrational solutions

Answers

Answer:

The equation has one rational solution.

Step-by-step explanation:

You can automatically exclude nonreal and irrational solutions because the answer to this equation is a rational number. Once the equation is solved, you will find that there is only one answer.

Barbara ordered a set of beads. Of the beads she received, 12 were red and 28 were a different color. What percentage of the beads were red?

Answers

Answer393

Theory cause I need points

Answer:

the answer is 3.36 please mark brainliest

Step-by-step explanation:

Is 1 Greater then -4

Answers

Answer:

Yes 1 is greater than -4

Step-by-step explanation:

283838383838382828 + 838383838

Answers

Answer:2.8383838e+17

Step-by-step explanation:

Answer:

2.8383838e+17

Step-by-step explanation:

283838383838382828 + 838383838=2.8383838e+17

give the slope of a line parallel to the given.

Answers

Answer:

1/2

Step-by-step explanation:

2x - 4y = 12

-4y = -2x + 12

-4y/-4 = -2x/-4 + 12/-4

y = 1/2x - 3

PLEASE HELP ASAP!!!!!!!!!!!
APPRECIATED

Answers

Answer:

6

Step-by-step explanation:

Can someone please help me

Answers

Answer:

3/4

Step-by-step explanation:

While your image is blurry so it hard to, we know to find a slope we do rise (up)/run(Left) at section where they cross the dot. So i did this

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