Estimate by rounding each number to the nearest ten thousand and then subtract

Estimate By Rounding Each Number To The Nearest Ten Thousand And Then Subtract

Answers

Answer 1

Answer:

50,000

Step-by-step explanation

80,000 - 30,000 = 50,000

Answer 2
80,000-30,000=50,000

Related Questions

There are 300 bunnies on a bunny farm. The farmer says their population
increases at a rate of 20% per year. What is the INITIAL VALUE for this
equation?

Answers

Answer:

The initial value is 300 bunnies

Step-by-step explanation:

we know that

The equation of a exponention growth function is given by

[tex]y=a(1+r)^x[/tex]

where

y is population of a bunnies

x is the number of years

a is the initial value

r is the rate of change

we have

[tex]a=300\\r=20\%=20/100=0.20[/tex]

substitute

[tex]y=300(1+0.20)^x[/tex]

[tex]y=300(1.20)^x[/tex]

therefore

The initial value is 300 bunnies

Find the area of a circle with a diameter of 6.
Either enter an exact answer in terms of pi or use 3.14 for pi and enter your answer as a decimal.

Answers

28.26, because 6/2=3 3x3=9 3.14x9= 28.26

To find the area of a circle with a diameter of 6, divide the diameter by 2 to get the radius, then use the formula Area = πr² with the calculated radius, resulting in an area of 28.26.

Using either the exact value of π (pi) or its approximation 3.14, we substitute the radius into the formula to calculate the area.

Using π, the area is:

A = π(3)² = 9π

Using the approximation of 3.14 for π, the area is:

A = 3.14(3)² = 3.14(9) = 28.26

So, the area of the circle is either 9π square units or approximately 28.26 square units if you use 3.14 for π.

Which ordered pair is the solution to the system of linear equations -5x + Y = 26 and 2x-7y = 16 ?

Answers

Answer:

(-6, -4)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtract Property of Equality

Algebra I

Terms/CoefficientsSolving systems of equations using substitution/elimination

Step-by-step explanation:

Step 1: Define Systems

-5x + y = 26

2x - 7y = 16

Step 2: Rewrite Systems

-5x + y = 26

Add 5x on both sides:                     y = 5x + 26

Step 3: Redefine Systems

y = 5x + 26

2x - 7y = 16

Step 4: Solve for x

Substitution

Substitute in y:                         2x - 7(5x + 26) = 16Distribute -7:                             2x - 35x - 182 = 16Combine like terms:                -33x - 182 = 16Isolate x term:                          -33x = 198Isolate x:                                   x = -6

Step 5: Solve for y

Define equation:                    2x - 7y = 16Substitute in x:                       2(-6) - 7y = 16Multiply:                                  -12 - 7y = 16Isolate y term:                        -7y = 28Isolate y:                                 y = -4

what is the domain and range?

Answers

Answer:

The domain is all real numbers, and the range is (y ≤ 0)

Step-by-step explanation:

It's best to start graphing piecewise functions by reading the "if" statements first, and you'll most likely shorten the chance of making an error by doing so.

fill in the missing justifications in the correct order

Answers

Answer:

Distributive property

commutative property

combine like terms or write a equivalent expression

Step-by-step explanation:

by definition it’s

Distributive property

commutative property

combine like terms or write a equivalent expression

A cylinder has a radius of 24.6 inches and a volume of 29,468 in3. Find its height.
A. 14.5 in
B. 15 in
C.15.5 in
D. 16.5 in

Answers

Answer:

15.49 inches

Step-by-step explanation:

Volume of a cylinder is given by

[tex]V=\pi r^{2}h[/tex]

Making h the subject of the formula then

[tex]h=\frac {V}{\pi r^{2}}[/tex]

Where h is the height, V is volume and r is radius. Substituting 24.6 inches for r and 29468 cubic inches for V then

[tex]h=\frac {29468}{\pi 24.6^{2}}=15.493723673378\ in\approx 15.49\ in[/tex]

Therefore, the height is approximately 15.49 inches

The correct height of the cylinder that produces a volume of 29,468 in3 is 15 inches (Choice B).

To find the height of a cylinder with a volume of 29,468 cubic inches (in3) and a radius of 24.6 inches, we use the formula for the volume of a cylinder, V = πr²h, where V is the volume, r is the radius, and h is the height.

Plugging in the known values, we get:
29,468 in3 = π(24.6 in)2h

Solving for h, the height of the cylinder, we perform the following steps:

Calculate the base area: Base Area = π(24.6 in)2

Divide the volume by the base area to find the height: h = Volume / Base Area

Calculate the height: h = 29,468 in3 / (π(24.6 in)2)

After performing the calculation, we conclude that the correct height of the cylinder that produces a volume of 29,468 in3 is 15 inches (Choice B).

Can you help me find the answers please

Answers

Given:

(a) To determine the inequality for x for the given line.

Inequality:

Since, from the figure, it is obvious that the number line contains an open circle at the point 3.

This means that the end value 3 is not included in the interval.

Hence, the inequality can be written as [tex]x<3[/tex]

Thus, the inequality for x is [tex]x<3[/tex]

(b) Given that [tex]2<y<6[/tex] where y is an integer.

We need to determine the possible values of y.

Values of y:

The values of y lie between 2 to 6. Since, the inequality is strictly lesser than, it does not contain the end value.

Therefore, the possible values of y are 3,4,5

(3) Given the inequality [tex]3 x+7>x+19[/tex]

We need to solve the inequality.

Solution:

[tex]3 x>x+12[/tex]

[tex]2 x>12[/tex]

 [tex]x>6[/tex]

Thus, the solution of the inequality is [tex]x>6[/tex]

volume and area question!-please help me answer it
This cuboid is made from centimetres cubes
write down the volume of the cuboid
using the image below
the cuboid is then split in half

Answers

Answer:

72 for q1 and q2 is 18

Step-by-step explanation:

Final answer:

To find the volume of a cuboid, multiply its length, width, and height. If made of 1 cm cubes, the volume is the number of these cubes. Halving the cuboid evenly would halve its volume.

Explanation:

To calculate the volume of a cuboid, you multiply the length, width, and height of the cuboid. The question doesn't provide specific dimensions, but assuming that you have them, the formula you would use is Volume (V) = length × width × height. If the cuboid consists of centimeter cubes, each with a side length of 1 cm, the volume in cubic centimeters will be equal to the number of these small cubes.

For example, let's say the dimensions of the cuboid are 5 cm × 3 cm × 4 cm. The volume would then be calculated as V = 5 cm × 3 cm × 4 cm = 60 cm³.

If the cuboid is split in half, the resulting two pieces would each have a volume that is half of the original total volume, assuming the split is made evenly.

Help me I’m lost .-.

Answers

Answer:

z=100

Step-by-step explanation:

Opposite angles of an inscribed quadrilateral are supplementary.

180-80=100

Z=100 I’m just writing this bc I have to write more words but the answers is z=100

4t^3+9y+1
11gh-6t+4
z+mn-4v^2
List the terms in each expression

Answers

Answer:

1. 4t^3, 9y, 1

2.11gh, 6t, 4

3.z, mn, 4v^2

Step-by-step explanation:

Each term is separated by + or -

Simplify 8y(y - 4) + 3y(y+2)

Answers

Answer:

11y^2-26y

Step-by-step explanation:

8y(y - 4) + 3y(y+2)

8y^2-32y+3y^2+6y

11y^2-26y

Answer:

11y^2 -26y

Step-by-step explanation:

8y(y - 4) + 3y(y+2)

Distribute

8y^2 -32y +3y^2 +6y

Combine like terms

8y^2 +3y^2   -32y +6y

11y^2 -26y

Which function represents exponential growth?

Answers

The answer will be is B

1) Suppose there are 2 blue, 3 green, and 5 yellow marbles in a bag. One marble will be drawn from the bag. List the sample space for the experiment.


2) Suppose there are 2 blue, 3 green, and 5 yellow marbles in a bag. One marble will be drawn from the bag. Calculate the probability (in simplest form) of b. P(B)


3) Suppose there are 2 blue, 3 green, and 5 yellow marbles in a bag. One marble will be drawn from the bag. Calculate the probability (in simplest form) of g. P(G)


Answers

Answer:

2

Step-by-step explanation:

Simple

Find the area of a
regular hexagon with
an apothem of
15 cm.
DO

Answers

Final Answer:

The area of the regular hexagon is 585 square centimeters.

Explanation:

A regular hexagon is a polygon with six equal sides and six equal angles. To find the area of a regular hexagon, you can use the formula:

[tex]\[ \text{Area} = \frac{3 \sqrt{3}}{2} \times \text{side length}^2 \][/tex]

However, in this case, the apothem (the distance from the center to the midpoint of a side) is given instead of the side length. The relationship between the apothem (\(a\)) and the side length (\(s\)) of a regular hexagon is given by:

[tex]\[ a = \frac{s}{2} \times \sqrt{3} \][/tex]

Rearranging this formula to solve for \(s\), we get:

[tex]\[ s = \frac{2 \times a}{\sqrt{3}} \][/tex]

Substituting this expression for \(s\) into the area formula, we get:

[tex]\[ \text{Area} = \frac{3 \sqrt{3}}{2} \times \left(\frac{2 \times a}{\sqrt{3}}\right)^2 \][/tex]

Simplifying further:

[tex]\[ \text{Area} = \frac{3 \sqrt{3}}{2} \times \frac{4 \times a^2}{3} \][/tex]

Canceling out common factors:

[tex]\[ \text{Area} = 2 \sqrt{3} \times a^2 \][/tex]

Now, substituting the given apothem ((a = 15) cm), we find:

[tex]\[ \text{Area} = 2 \times \sqrt{3} \times (15 \, \text{cm})^2 = 585 \, \text{cm}^2 \][/tex]

Therefore, the area of the regular hexagon is 585 square centimeters.

pleasee explainnnn #23 ​

Answers

Volume of a triangular pyramid is v=1/3AH so the answer is 8

For the data set shown in the scatterplot, what is the BEST approximation of the y-intercept for the line of best fit?
A) 0
B) 10
C) 45
D) 80

Answers

Answer:

c.

Step-by-step explanation:

You could use a regression calculator to help you. You should try it its very helpful :)

Bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb

are -3.5 and -14/4 the same value? plzzz i need helpppp

Answers

Answer:

Yes it is

Step-by-step explanation:

when you dived -14 by 4 you will get -3.5


I need help..........

Answers

Answer: 3rd one
Rearrange the original equation so it fits the model of : ax^2+bx+c=0
Then use the quadratic formula to find all possible answers.

What is the value of d?

Round your answer to the nearest tenth.

9.1 mm
11.9 mm
26.3 mm
34.1 mm
The figure shows acute triangle D E F. The measure of angle D is 25 degrees. The length of side D E is 21 millimeters. The length of side E F is d. The length of side F D is 27 millimeters.

Answers

Answer:

11.9

Step-by-step explanation:

just took the test :D

I am the fewest number of coins needed to
make 37 cents using only pennies, nickels,
and dimes. Who am I?
What is the answer

Answers

Answer:

6 coins

Step-by-step explanation:

3 dimes

1 nickel

2 pennies

Answer: 6 coins

Step-by-step explanation:

Pennies = 1c

Nickels = 5c

Dimes = 10c

10 * 3 dimes = 30c

30c + 5c (a nickle) = 35c

35c + 2 pennies = 34

Therefore, the lowest amount of coins is 6 (3 dimes, 1 nickle, and 2 pennies)

|x+5| =3
plz help show steps

Answers

Hope this will help u...

What is 54 in scientific notation

Answers

Answer:

5.2 times 10^1

Step-by-step explanation:

the first number should be less than ten.

Answer: [tex]5.4[/tex] [tex]x[/tex] [tex]10^{1}[/tex]

Step-by-step explanation: To write a number in scientific notation, first write a decimal point in the number so that there is only one digit to the left of the decimal point.

So here, we have 5.4 and notice that there

is only one digit to the left of the decimal point.

Next, we count the number of places the decimal point would

need to move to get back to the original number, 54.

Since we would need to move the decimal point 1 place to the right,

we have an exponent of positive 1.

Now, scientific notation is always expressed as a number between 1 and 10 including 1 but not 10 and it is multiplied by 10 to a certain power that must be an integer.

So we have [tex]5.4[/tex] [tex]x[/tex] [tex]10^{1}[/tex]

Notice that the exponent is positive.

This is because we would need to move the decimal point to the right in order to get back to the original number.

So 54 can be written in

scientific notation as [tex]5.4[/tex] [tex]x[/tex] [tex]10^{1}[/tex].

STR≅△XYZ, TR=14c−13, and YZ=10c−1. Find c and TR.

c = 4 and TR = 39
c = 6 and TR = 59
c = 2 and TR = 19
c = 3 and TR = 29

Answers

C is equal to three, and the last option is exactly that, so therefore we can infer that TR is obviously going to be twenty nine

The value of c is 3 units and TR is 29 units. Therefore, option D is the correct answer.

Given that, △STR≅△XYZ, TR=14c−13, and YZ=10c−1.

What is the congruence theorem?

Triangle congruence theorem or triangle congruence criteria help in proving if a triangle is congruent or not. The word congruent means exactly equal in shape and size no matter if we turn it, flip it or rotate it.

We know that, corresponding parts of congruent triangles are equal.

Here, TR=YZ

⇒ 14c-13=10c-1

⇒ 14c-10c=-1+13

⇒ 4c=12

⇒ c=3 units

So, TR=14c-13

= 29 units

The value of c is 3 units and TR is 29 units. Therefore, option D is the correct answer.

To learn more about the congruent theorem visit:

https://brainly.com/question/24033497.

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HELP ME I VERY STRESSED(⓿_⓿)
This pattern follows the rule add 9. What are the next 3 terms?

An image of a pattern. Term one has 9 triangles, term two has eighteen triangles, term three has twenty-seven triangles.

A. 36, 45, 54
B. 39, 48, 57
C. 42, 51, 60
D. 54, 63, 72

Answers

The next three terms in the pattern following the rule 'add 9' are 36, 45, and 54.

Since the pattern follows the rule of adding 9 to get to the next term, we can simply continue this pattern from the last given term, which is twenty-seven triangles. Therefore:

Term four would have twenty-seven plus nine triangles, giving us 36 triangles.

Term five would be thirty-six plus nine, which results in 45 triangles.

Term six is forty-five plus nine, totaling 54 triangles.

The next three terms in the pattern following the rule 'add 9' are 36, 45, and 54.

Which statement about the histogram is true

Answers

b) Histograms can be used to exhibit the shape of distributions.

Answer:

Yea its B

Step-by-step explanation:

What is the height of the cylinder in the diagram? Round your answer to the nearest whole number.

Answers

Answer: 8

Step-by-step explanation:

As per the given volume and radius of the cylinder, the height of the cylinder in the diagram is approximately 8 cm.

In order to determine the height of the cylinder in the given diagram, we first need to understand the formula for calculating the volume of a cylinder. The formula for the volume of a cylinder is

=> V = π * r² * h,

where V represents the volume, π is a constant (approximately equal to 3.14159), r is the radius, and h is the height of the cylinder.

In the provided information, we are given that the radius of the cylinder is 6 cm (radius = 6 cm) and the volume of the cylinder is 904.78 cm³ (V = 904.78 cm³).

Now, we can rearrange the volume formula to solve for the height (h) of the cylinder. Divide both sides of the formula by (π * r²):

h = V / (π * r²)

Substitute the known values:

h = 904.78 cm³ / (3.14159 * 6²)

h = 904.78 cm³ / (3.14159 * 36)

h = 904.78 cm³ / 113.09724

h ≈ 7.99998 cm

Rounding the answer to the nearest whole number, the height of the cylinder is approximately 8 cm.

To know more about cylinder here

https://brainly.com/question/10048360

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A jewelry box has a length of 3 1/2 units, a width of 1 1/2 units, and a height of 2 units. What is the volume of the box in cubic units?

Answers

Answer:

10 1/2 or 10.5

Step-by-step explanation:

V=l*w*h

Volume = length * width * height

length = 3 1/2 = 3.5

width = 1 1/5 = 1.5

height = 2

input the values V = 3.5 * 1.5 *2

multiply the first two numbers 3.5 * 1.5 = 5.25

multiply the first result by the third number 5.25 * 2 = 10.5

Volume = 3.5 * 1.5 *2= 5.25 * 2 = 10.5 = 10 1/2

3 1/2 * 1 1/5 * 2 = length * width * height = Volume = 10 1/2

Volume = 10 1/2

An airplane is flying at an altitude of 6 miles (approximately 32,000 feet) toward a point directly above where you are standing. If you are standing x miles away from a spot that is perpendicular to the plane, what is the equation that relates the angle as a function of x? Then, using that equation, solve for when x is 2 miles.

Answers

Answer:

angle = arc tangent(6/x)

for x=2 -> angle = 71.565°

Step-by-step explanation:

To find the relation of the distance x and the angle of elevation that you are seeing the airplane, we should use the tangent relation of the angle. The opposite side of the angle is the altitude of the airplane, and the adjacent side of the angle is the distance x.

So we have that:

tangent(angle) = 6/x

angle = arc tangent(6/x)

If we have the value of x = 2, the angle will be:

angle = arc tangent(6/2) = arc tangent(3)

angle = 71.565°

the price of a guiter was decreased by 15% and sold for 275.99. what was the orignal price of the guiter in dollers?

Answers

Answer: 317.39

Step-by-step explanation:

The price of the guitar decreased by15%

Original price is 275.99

To get the reduced amount

It will be 15% of the exact amount and add to the exact to get the original

15/100×275.99

=41.3985

To get exact,

reduced amount + sold price

=41.3985+275.99

=317.3885

=317.39

The volume of a rectangular prism is (x3 – 3x2 + 5x – 3), and the area of its base is (x2 – 2). If the volume of a rectangular prism is the product of its base area and height, what is the height of the prism?
x minus 3 + StartFraction 7 x minus 9 Over x squared minus 2 EndFraction
x minus 3 + StartFraction 7 x minus 9 Over x cubed minus 3 x squared + 5 x minus 3 EndFraction
x minus 3 + StartFraction 7 x + 3 Over x squared minus 2 EndFraction
x minus 3 + StartFraction 7 x + 3 Over x cubed minus 3 x squared + 5 x minus 3 EndFraction

Answers

Answer:

A. x - 3 + 7x - 9/x^2 - 2

did test on edge, got 100%

The height of the prism is x-3+ (7x-9)/([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3).

The formula for the volume of a rectangular prism is V = Ah, where A is the area of the base and h is the height. Since we are given the volume and the area of the base, we can solve for the height. We have V = ([tex]x^{2}[/tex]-2) * h and V = ([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3), so we can set these two equations equal to each other and solve for h.

([tex]x^{2}[/tex]-2) * h = ([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3)

Expanding both sides, we get:

[tex]x^{2}[/tex]h - 2h = [tex]x^{3}[/tex]h - 3[tex]x^{2}[/tex]h + 5xh - 3h

Combining like terms, we get:

([tex]x^{3}[/tex] - 3[tex]x^{2}[/tex] + 5x - 3 - [tex]x^{2}[/tex] + 2 - 5x + 3) * h = 0

Simplifying, we get:

([tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2) * h = 0

Since [tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2 cannot equal 0 (since it's a cubic polynomial), we can divide both sides by ([tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2) to solve for h:

h = 0 / ([tex]x^{3}[/tex] - 4[tex]x^{2}[/tex] + 2)

So the height of the prism is x-3+ (7x-9)/([tex]x^{3}[/tex]-3[tex]x^{2}[/tex]+5x-3).

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