Mathematics College

whats the answer to this MARKING BRAINLIEST

Answers

Answer 1

Answer:

400 square feet

Step-by-step explanation:

20 x 20 = 400

HOPE THIS HELPS

PLZZ MARK BRAINLIEST

Answer 2

Answer:

400 square feet

Step-by-step explanation:

Area = length x width

A = lw

A = 20 x 20

20 x 20 = 400

Area = 400 ft^2

Related Questions

Please give me the correct answer.

Answers

Answer:

One thing I see here is that we have to open the parenthesis by multiplying 4 by (n+10), so the option that says "Multiply (n + 10) by 4." Not sure how I can show explanation for this question.

Which of the following is equivalent to 4/20? 1. 1/10 2. 3/15 3. 3/19 4. 2/12

Answers

I would suggest trying 3/15 but I could be wrong

Answer:

3/15=1/5

Step-by-step explanation:

4/20=3/15

3/15 is not all the way simplified. So i'm going to make it simple.

3 divided by 3=1

15 divided by 3=5

1/5 x 4=4/20

4/20 divided by 1/5=4

-243 = -9(10 + x)

.......

Answers

Answer:

Step-by-step explanation:

EDG 2020

In general, how do the slopes of line segments in the image compare with the slopes of corresponding line segments in the preimage? What effect does the scale factor of the dilation have on the slopes, if any?

Answers

Answer:

The slopes of the line segments are the same before and after dilation. The value of the scale factor n does not affect the slopes in the image.

Step-by-step explanation:

Plato simple answer

The slopes of the line are the same before and after dilation. The value of the scale factor n does not affect the slopes in the image.

How does dilation works?

Dilation of a figure will leave its sides get scaled (multiplied) by same number.

Dilation if, is from the center of the rectangle, then distance of all the points of the rectangle from its center will get scaled by that dilation factor.

Slope:

We know that the slope is the ratio of change in y-value and change in x-value.

So, after dilation

m---->m

Length of line:

The length of line =x

so, it's length will become nx.

The slopes of the line are the same before and after dilation. The value of the scale factor n does not affect the slopes in the image.

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what is 168 divided by 12 but using estimation

Answers

Answer:

Step-by-step explanation:

The division of the number 198 by 12 is approximately 17.

A mathematical process known as division can be used to divide a sum of money into equal parts or to calculate how many times one number can be found inside another.

A quotient is produced as a result of dividing a dividend (the number being divided) by a divisor (the number by which the dividend is divided).

To estimate the division of 168 by 12, we can use rounding to simplify the calculation.

Round the numbers to a more manageable value. In this case, we can round 168 to 170 and 12 to 10.

Divide the rounded numbers. 170 divided by 10 is equal to 17.

Therefore, an estimated answer to the division of 168 by 12 is approximately 17.

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What is the playing surface called where the college basketball semi-finals are played?

Answers

Answer:

The answer is "floor".

Step-by-step explanation:

The playground on which the semi-finals of basketball was performed is called the Floor. It also has a double-dimensional or three-dimensional ground throughout the form of a square or a rectangle. It may be a Cube, or Cuboid, which would be a Pyramid whenever a surface becomes three-dimensional elevated beyond Earth's level.

100 points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! please help

Answers

Answer:

fhetdg55541378u c4i58454v.

Answer:

Bro, it literally shows how many points and it shows 5 dumb dumb

Step-by-step explanation:

If your bike wheel has a diameter of 2.5 feet, how many times does the wheel make a full rotation?

Answers

Answer:

159 times

Step-by-step explanation:

Answer:

every 2.5 feet

Step-by-step explanation:

the diameter is 2.5feet so to make 1 full rotation you need to move 2.5 feet

Need and answer ASAP please helppp
1. Name the line that represents the diameter
2. Name the line that represent the radius

Answers

Answer:

Diameter is Line D and Radius is Line R

Step-by-step explanation:

I don't really know how to explain it because I've known this for years now lol.

The ratio of two supplementary Angles is 2:7 what is the measure of the smaller angle
1 10
2 14
3 20
4 40

Answers

The answer to your question is 4:40

4:40

(i need my answer to be 20 characters long)

Please help 30 points If do it is also timed so hurry

Answers

Answer:

It's the first one.

Step-by-step explanation:

0.6 represents 60%.

Please help me it due today at 7:10pm please help me

Answers

Answer:

that is easy false hope u get it to By 7:10

** SOLVED **
Allison has some pennies and some nickels. She has no more than 23 coins worth a minimum of $0.75 combined. If Allison has 6 pennies, determine all possible values for the number of nickels that she could have. Your answer should be a comma separated list of values. If there are no possible solutions, submit an empty answer.

Answer: {14, 15, 16, 17}

Answers

Answer:

15 i think im not completely sure

Step-by-step explanation:

I think 15 I’m not sure tho

7 1/2 ÷ (4 1/2 - 5 1/8)

Answers

Answer:

-12

Step-by-step explanation:

7 1/2 ÷(4 1/2 - 5 1/8)

7 1/2 ÷ -5/8

7 1/2* -8/5

-12

A piece of brass contains 1.66 grams of copper and 0.34 gram of zinc. What is the mass of the piece of brass in grams?

Answers

It would be 2 grams

Answer:

The mass would be 2.

Step-by-step explanation:

1.66 + 0.34 is 2.

Ms. Andrew currently earns $4,225 per month. She will receive a 17% increase in pay beginning next month. How much can she expect to earn next month, to the nearest cent?

Answers

the other dude is right

Ms. Andrew can expect to earn $4,942.25 next month, to the nearest cent.

What is a percentage?

A ratio or value that may be stated as a fraction of 100 is called a percentage. Moreover, it is indicated by the symbol "%."

To calculate Ms. Andrew's new monthly salary, we need to add 17% of her current salary to her current salary:

New salary = Current salary + 17% of current salary

New salary = $4,225 + 0.17($4,225)

New salary = $4,225 + $717.25

New salary = $4,942.25

Therefore, Ms. Andrew can expect to earn $4,942.25 next month, to the nearest cent.

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The radius of a spherical ball is increasing at a rate of 2 cm/min. At exactly what rate (in cm2/min) is the surface area of the ball increasing when the radius is 9 cm?

Answers

Answer:

9th min?

Step-by-step explanation:

lol sorry im set 4 maths

144π cm²/min is the surface area of the ball increasing when the radius is 9 cm.

What is Surface area?

The surface area of a solid object is a measure of the total area that the surface of the object occupies.

Given,

Radius of a spherical ball is increasing at a rate of 2 cm/min.

We need to find exactly what rate (in cm2/min) is the surface area of the ball increasing when the radius is 9 cm

S = surface area at time t, and r = radius at time t

r=9cm

dr/dt = 2 cm/min

S = 4πr²

Differentiate with respect to t

ds/dt=2.4πrdr/dt

=8πr(2)

=16πr

=16π(9cm)

=144π cm²/min

Hence 144π cm²/min is the surface area of the ball increasing when the radius is 9 cm.

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Which statements are true about the solution of 152 22+x? Select three options.
O x2-7
OXS-7
The graph has a closed circle.
0-6 is part of the solution.
0-7 is part of the solution.

Answers

Answer:

it's a c e actually......

The true statements about 15 ≥ 22 + x are

x ≤ -7, the graph has a closed circle and -7 is part of the solution.

How to determine the true statements?

The inequality is given as

15 ≥ 22 + x

Subtract 22 from both sides

-7 ≥ x

Rewrite as:

x ≤ -7

The ≤ implies that the solution is a closed circle, and the other true statement is: (e) -7 is part of the solution.

Answers

Answer:

Step-by-step explanation:

I just did it in illuminate

Simplify 2x2 - y for x = 3 and y = -2.

Answers

Answer:

Step-by-step explanation:

2x2-y

2(3)2-2

2(9)-2

18-2

Given PQR is congruent to STU, find the value of x

Answers

Answer:X=15 Y=4

Step-by-step explanation:

1. PR=US or 3y=12 divide 3y by 3 and cancel 3 out then divide 12 and get Y=4.

2. QR=TU or 2x=30, divide 2x by 2 and cancel out 2, then divide 30 by 2 and get X=15.

3. PQ=ST or 64=4x+y or 64=4(15)+4 and get 64=64

Xander takes a quiz worth 200 points. Each question is worth 40 points. Sketch a graph to show his score if he misses 1,2,3,4 or 5 questions.

Answers

Answer:

Miss 1: 160

Miss 2: 120

Miss 3: 80

Miss 4: 40

Miss 5: 0

Step-by-step explanation:

Mark brainliest pls

The radius of a sphere is increasing at a rate of 5 mm/s. How fast is the volume increasing when the diameter is 100 mm?

Answers

Answer:

157,143 mm/s

Step-by-step explanation:

Formula for the volume of a sphere is;

V = 4/3 * pi * r^3

dv/dr = 4 pi r^2

dv/dt = dv/dr * dr/dt

dr/dt = 5 mm/s

dr/dt = 4 * pi * r^2

r = d/2 = 100/2 = 50 mm

dr/dt = 4 * 22/7 * 50^2 = 220,000/7

dv/dr = 220,000/7 * 5 = 157,142.8571428571

Approximately 157,143 mm/s

Please Help. Write an equation of the line that passes through (1,2) and is perpendicular to the line
that passes through y=-3x - 4

Answers

Answer:

[tex]y=\frac{1}{3}x+\frac{5}{3}[/tex]

Step-by-step explanation:

Slope of [tex]y=-3x-4[/tex] is the m of the general equation [tex]y=mx+b[/tex] which [tex]-3[/tex] The slope a line perpendicular to this line is the number that if multiplied with -3 will give us -1 so that [tex]\frac{1}{3}[/tex] With that slope and the point [tex](1,2)[/tex] use the formula[tex]y-y_1=m(x-x_1)\\y-(2)=\frac{1}{3} (x-(1))\\y-2=\frac{1}{3}x-\frac{1}{3}\\y=\frac{1}{3}x+\frac{5}{3}[/tex]

Which statement best describes points P and Q?

Answers

Answer:

i need more info

Step-by-step explanation:

The football team won 16 games, and they lost four. What is the ratio of games won to number of games played?

Answers

Answer:

4:1

Step-by-step explanation:

a. What is the y-intercept?

b. What is the slope?

c. What is the equation of the line in slope-intercept form?

Answers

Answer:

slope is (2/3)x. equation is y=(2/3)x-1

Step-by-step explanation:

When a number is decreased by 10% of itself, the result is 27. What is the number?

Answers

Answer:

90%. 27

--------- -------------

100%. x

cross multiply and then divide by the number withh and x

Step-by-step explanation:

Answer:

3 is ten percent of the number

Step-by-step explanation:

because if 27 is 90% then 30 is 100%

Para la clase de Ciencias cada 1 de los estudiantes puso a germinar un grano de frijol
luego de 2 semanas cada 1 midió la altura de su planta en centímetros los resultados
se muestran a continuación
a. Halla la media, Halla la moda, Halla la mediana
b. Responde las siguientes preguntas: cuántas plantas crecieron 10, 11 y 12 cm cuantas plantas crecieron mas de 12 centimetros, cual fue el promedio de
crecimiento de las plantas (para esto saca la media), cual fue el crecimiento que mas
veces se repitió (para esto halla la moda)

Answers

Answer:

uhhh

Step-by-step explanation:

I needs hheeellllppppp

Answers

Answer:

It's C.7

Step-by-step explanation:

Use the foil method

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