PLEASE HELP NOW!!!! 85 POINTS GIVEN! North America and Eurasia are moving apart due to continental drift. Tanvi calculates that they are doing so at a rate of roughly 2.5×102 centimeters per century. What would be the most appropriate unit for Tanvi to use instead of centimeters per century?

A-centimeters per year B-centimeters per week
C- centimeters per day D-centimeters per hour

Answer:

y=4

Step-by-step explanation:

Answer:

y=2.5

Step-by-step explanation:

first you add -3x to both sides so you get 5-3x and then divide that by 2 to get Y by itself so now you have 5/2 - 3/2x and when you put in the equation y=5/2 - 3/2x in DESMOS, the answer is 2.5

The expression 1 2/5 + 2 2/3 using fifteenths is 3 + 6/15 + 10/15

From the question, we have the following parameters that can be used in our computation:

1 2/5 + 2 2/3

3 + 2/5 + 2/3

To rewrite the expression using fifteenths, we multiply the numerator and the denominator of the fractions by the same number

In this case, we use 3 and 5

So, we have

3 + 2/5 * 3/3 + 2/3 * 5/5

Evaluate the products

3 + 6/15 + 10/15

Hence, the expression using fifteenths is 3 + 6/15 + 10/15

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The algebraic expression for the area is:

A = (2H - 8)*H/2

Here we want to write the expression:

"the area of a triangle that has a base 8 inches less than 2 times wider than the height."

Remember that for a triangle of base B and height H, the area is:

A = B*H/2

So if the base is 8 inches less than 2 times the height, we can write:

B = 2*H - 8

Replacing that in the area equation we get:

A = (2H - 8)*H/2

That is the equation for the area.

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Answer:

x ≥ -5

Step-by-step explanation:

Given:

3x - 4 > 6 + 5x

Find:

Value of x

Computation:

3x - 4 > 6 + 5x

Subtract 5x from both side

-2x - 4 > 6

Add 4 from both side

-2x > 10

-x > 5

x > -5

x ≥ -5

Answer:   -11

Step-by-step explanation:

The number of cannonballs in illustration is 506.

Math Illustrations enables you to produce more useful geometry figures for your students in less time by fusing the constraint-based design of Geometry Expressions with simple-to-use sketching and graphing features.

The number of cannonballs in the first layer = 1² = 1

Number of cannonballs in the second layer = 2² = 4

Number of cannonballs in the third layer = 3² = 9

So, the generalized formula to count the balls is given as

= n(n + 1) (2n + 1)/ 6

Here, n= the total number of layers

Put n =11

11(11 + 1)(2(11) + 1) / 6

= 11(12)(23)/6

= 3036/6
= 506

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Answer:

1/5x

Step-by-step explanation:

1/5x

Answer:

17168

Step-by-step explanation:

Answer:

The quadrilateral is a rhombus

Step-by-step explanation:

Given

\(A = (2, 8)\)

\(B = (3, 11)\)

\(C = (4, 8)\)

\(D=(3, 5)\)

Required

The true statement

Calculate slope (m) using

\(m = \frac{y_2 - y_1}{x_2 - x_1}\)

Calculate distance using:

\(d= \sqrt{(x_2 - x_1)^2 + (y_2 -y_1)^2}\)

Calculate slope and distance AB

\(m_{AB} = \frac{11 - 8}{3 - 2}\)

\(m_{AB} = \frac{3}{1}\)

\(m_{AB} = 3\) -- slope

\(d_{AB}= \sqrt{(3 - 2)^2 + (11 -8)^2}\)

\(d_{AB}= \sqrt{10}\) -- distance

Calculate slope and distance BC

\(m_{BC} = \frac{8 - 11}{4 - 3}\)

\(m_{BC} = \frac{- 3}{1}\)

\(m_{BC} = -3\) -- slope

\(d_{BC} = \sqrt{(4-3)^2+(8-11)^2\)

\(d_{BC} = \sqrt{10}\) --- distance

Calculate slope CD

\(m_{CD} = \frac{5 - 8}{3 - 4}\)

\(m_{CD} = \frac{- 3}{- 1}\)

\(m_{CD} = 3\) -- slope

\(d_{CD} = \sqrt{(3-4)^2+(5-8)^2}\)

\(d_{CD} = \sqrt{10}\) -- distance

Calculate slope DA

\(m_{DA} = \frac{8 - 5}{2 - 3}\)

\(m_{DA} = \frac{3}{- 1}\)

\(m_{DA} = -3\) -- slope

\(d_{DA} = \sqrt{(2-3)^2 + (8-5)^2}\)

\(d_{DA} = \sqrt{10}\)

From the computations above, we can see that all 4 sides are equal, i.e. \(\sqrt{10}\)

And the slope of adjacent sides are negative reciprocal, i.e.

\(m_{AB} = 3\)  and \(m_{CD} = -3\)

\(m_{CD} = 3\) and \(m_{DA} = -3\)

The quadrilateral is a rhombus

9514 1404 393

Answer:

  y = 5/3x -5

Step-by-step explanation:

The slope is the ratio of "rise" to "run" for the line. Here, marked points are 5 units apart vertically and 3 units apart horizontally. The slope is ...

  m = rise/run = +5/3 = 5/3

There is a marked point on the y-axis at y = -5. That is the y-intercept. Then your equation is ...

  y = mx + b . . . . . line with slope m and y-intercept b

  y = 5/3x -5 . . . . . line with slope 5/3 and y-intercept -5

Answer:

The answer is C.

Step-by-step explanation:

I just did the test and the answer was C

The intercept is 1,000; the value of the antique at 1 year of age.

A line's slope is determined by how its y coordinate changes in relation to how its x coordinate changes. y and x are the net changes in the y and x coordinates, respectively. Therefore, it is possible to write the

change in y coordinate with respect to the change in x coordinate as,

m = Δy/Δx

where, m is the slope

Given:

Let us take two points from the graph (0, 1000) and (35, 4000)

Now, slope= ( 4000- 1000)/(35- 0)

                  = 3000/35

                  = 600/7

Now, slope- intercept form

y- 1000= 600/7 ( x- 0)

y- 1000 = 600/7 x

y= 600/7x + 1000

Hence, the intercept is 1,000; the value of the antique at 1 year of age.

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Answer:

4\(y^{\frac{3}{2} }\)

Step-by-step explanation:

using the rule of exponents/ radicals

\(\sqrt[n]{a^{m} }\) = \(a^{\frac{m}{n} }\)

then

4 \(\sqrt{y^{3} }\)

= 4\(y^{\frac{3}{2} }\)

Answer:

nothing rn what do you need answered?

Step-by-step explanation:

Answer:

i have 0 questions to be answered anyway have a good day, week and happy new years and thanks for the points

Consider a mixed number

Let the given mixed number is divided 30

To divide mixed numbers the steps are follows

STEP 1 : write the whole number and the mixed number as a improper fraction

STEP2 :

write the reciprocal of divisor and multiply

STEP3 : Simplify the fraction to nearest number of possible

STEP 4 : Perform the simple multiplication of the numerators and the denominators. Since 60 & 7 have no common factor,

STEP 5 : Put the answer in lowest terms, and check the answer. Our answer is already in lowest terms, so there is nothing left to do but check the answer, to be sure it makes sense. We can use estimation and rounding to do our check.

The equations that Nakeishia can use to determine the number of commercials and the number of movies on which Nakeisha’s songs were played include:

30m + 110(m + 2) = 760

Let the movies be represented by m

Since Nakeisha’s songs were played on 2 more commercials than movies, this will be m + 2.

Nakeisha will earn $30 every time one of her songs is played in a commercial and she will earn $110 every time one of her songs is played in a movie. This will be:

30m + 110(m + 2) = 760

This represents the equation.

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The length of the segment is 2.4 centimeters.

The scale is 2.4 cm :24 mm.

How to change mm to cm?

One millimeter, or one-thousandth of a meter, is equal to one mm. One centimeter, also known as one hundredth of a meter, is equal to one centimeter.

Accordingly, 1 cm 10 mm. Divide the number of mm by 10 to get the number of cm when converting mm to cm.

Given that length of the segment is 24mm. now we know that,1 mm is equal to 0.1 cm,

So,

\(10 \: mm=1 \: cm \\ or, \: 1 \: mm = \frac{1}{10} \: cm \\ or, 24 \: mm × ( \frac{1}{10} ) = 2.4 \: cm.\)

The scale is 2.4 cm :24 mm.

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Answer:

303 miles per hour

Step-by-step explanation:

Answer:

D. 9 inches

Step-by-step explanation:

(6/2)*3=9

Answer:

I say D.9 inches

Step-by-step explanation:

(6/2)×3=9

I don't know if i'm right though I just calculated the length side of RS

Sure, here is a diagram of a plane flying on a bearing of 140 degrees for 90km:

[Image of a plane flying on a bearing of 140 degrees for 90km]

The distance traveled south is 60km and the distance traveled east is 53.5km.

To calculate the distance traveled south, we can use the following formula:

distance = (90km * sin(140 degrees)) / 180 degrees

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This gives us a distance of 60km.

To calculate the distance traveled east, we can use the following formula:

distance = (90km * cos(140 degrees)) / 180 degrees

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This gives us a distance of 53.5km.

Hello!

4.63 x 10^-3 = 0,00463

Answer:

  C. N=300; I%=6.7; PV=-175000; PMT=; FV=0; P/Y=12; C/Y=12; PMT:END

Step-by-step explanation:

To find the payment on a loan, a TVM solver needs the Present Value (PV) to be the loan amount, the Future Value (FV) to be zero, and N to be the actual number of payments (25×12 = 300).

Most solvers will take I% to be the annual interest rate. (An HP-12C financial calculator uses the monthly interest rate.)

The set of values needed for finding the monthly payment on this $175,000 loan at 6.7% are listed in choice C.

__

Additional comment

The sign of the cash flow is usually negative for amounts paid, and positive for amounts received. Here, the answer choices show the loan amount to be negative and the payment amount to be positive. We ordinarily expect to receive the loan amount and pay the payments. By the above criteria, the signs are reversed in this problem from what we usually expect.

Rounding to the nearest cent, the estimated value of the vehicle after 4 years is approximately $23,726.20..

To estimate the value of the vehicle after 4 years, we can use the given equation A = 39500(0.86)^t, where A represents the value of the vehicle and t represents the number of years.

Substituting t = 4 into the equation:

A = 39500(0.86)^4

A ≈ 39500(0.5996)

A ≈ 23726.20

Rounding to the nearest cent, the estimated value of the vehicle after 4 years is approximately $23,726.20.

This estimation is based on the assumption that the vehicle's value decreases by 14% each year. The equation A = 39500(0.86)^t models the exponential decay of the vehicle's value over time. By raising the decay factor of 0.86 to the power of 4, we account for the 4-year period. The final result suggests that the value of the vehicle would be around $23,726.20 after 4 years of ownership.

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The slack for activity C is 5 hours.

Slack is the amount of time that a task can be delayed without affecting the overall project schedule. In this case, the slack for activity C is calculated as follows:

Slack = Latest start time - Early start time = 13 - 8 = 5 hours

Alternatively, slack can also be calculated as the difference between the latest finish time and the early finish time:

Slack = Latest finish time - Early finish time

Slack = 17 - 12

Apply the subtraction operation, and we get

Slack = 5 hours

Therefore, activity C has a slack of 5 hours.

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Here are the correct matches to the expressions to their solutions.

The GCF of 28 and 60 is 4.

(-3/8)+(-5/8) = -4/4 = -1.

-1/6 DIVIDED BY 1/2 = -1/6 X 2 = -1/3.

The solution of 0.5 x = -1 is x = -2.

The solution of 1/2 m = 0 is m = 0.

-4 + 5/3 = -11/3.

-2 1/3 - 4 2/3 = -10/3.

4 is not a solution of -4 < x.

1. The GCF of 28 and 60 is 4.

The greatest common factor (GCF) of two numbers is the largest number that is a factor of both numbers. To find the GCF of 28 and 60, we can factor each number completely:

28 = 2 x 2 x 7

60 = 2 x 2 x 3 x 5

The factors that are common to both numbers are 2 and 2. The GCF of 28 and 60 is 2 x 2 = 4.

2. (-3/8)+(-5/8) = -1.

To add two fractions, we need to have a common denominator. The common denominator of 8/8 and 5/8 is 8. So, (-3/8)+(-5/8) = (-3 + (-5))/8 = -8/8 = -1.

3. -1/6 DIVIDED BY 1/2 = -1/3.

To divide by a fraction, we can multiply by the reciprocal of the fraction. The reciprocal of 1/2 is 2/1. So, -1/6 DIVIDED BY 1/2 = -1/6 x 2/1 = -2/6 = -1/3.

4. The solution of 0.5 x = -1 is x = -2.

To solve an equation, we can isolate the variable on one side of the equation and then solve for the variable. In this case, we can isolate x by dividing both sides of the equation by 0.5. This gives us x = -1 / 0.5 = -2.

5. The solution of 1 m = 0 is m = 0.

To solve an equation, we can isolate the variable on one side of the equation and then solve for the variable. In this case, we can isolate m by dividing both sides of the equation by 1. This gives us m = 0 / 1 = 0.

6. -4 + 5/3 = -11/3.

To add a fraction and a whole number, we can convert the whole number to a fraction with the same denominator as the fraction. In this case, we can convert -4 to -4/3. So, -4 + 5/3 = -4/3 + 5/3 = -11/3.

7. -2 1/3 - 4 2/3 = -10/3.

To subtract two fractions, we need to have a common denominator. The common denominator of 1/3 and 2/3 is 3. So, -2 1/3 - 4 2/3 = (-2 + (-4))/3 = -6/3 = -10/3.

8. 4 is not a solution of -4 < x.

The inequality -4 < x means that x must be greater than -4. The number 4 is not greater than -4, so it is not a solution of the inequality.

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We are told that the height of the ballon after t seconds is given by the equation

and we are asked to find the height after 15 seconds.

To answer this question we simply put in t =15 in the above formula to get

This gives

Hence, the height of the ballon after 15 s is 150m

.

Answer:

I know 9-12.

9) a^2+8a-10

10) 15v+22w

11) 10c^2+4c

12) z^3-8z^2+5z+23

Step-by-step explanation:

Answer:

8. P=10X+16Y+14

9. a^2+8a-10

10. 15v+22w

11. 10c^2+4c

12. z^3-8z^2+5z+23

Step-by-step explanation:

8. P=2(l+w)

P=2((2x+7)+(3x+8y))

P=2(5x+8y+7)

P=10x+16y+14

9. 3a+a^2+5a-10 = a^2+8a-10

10. 8v+8w+7v+14w  =  15v+22w

11.  4c^2+6c+6c^2-2c  =  10c^2+4c

12. z^3+5z+15+8-8z^2  =  z^3-8z^2+5z+23

Answer:

When you read a sentence, you may first look for the subject or what the sentence is about. The subject usually appears at the beginning of a sentence as a noun or a pronoun. A noun is a word that identifies a person, place, thing, or idea. A pronoun is a word that replaces a noun. Common pronouns are I, he, she, it, you, they, and we. In the following sentences, the subject is underlined once.

Step-by-step explanation:

You will often read a sentence that has more than one noun or pronoun in it. You may encounter a group of words that includes a preposition with a noun or a pronoun. Prepositions connect a noun, pronoun, or verb to another word that describes or modifies that noun, pronoun, or verb. Common prepositions include in, on, under, near, by, with, and about. A group of words that begin with a preposition is called a prepositional phrase. A prepositional phrase begins with a preposition and modifies or describes a word. It cannot act as the subject of a sentence. The following circled phrases are examples of prepositional phrases.

Answer:

this is a rotation. you can tell because point Z is (-5,2) and Z' is (2,5)

Point X was (-5,7) and X' is (7,5) and Point Y was (-2, 2) and Y' is (2,2).

by looking at the picture it was rotated 90 degrees counterclockwise

Step-by-step explanation: