Mathematics Middle School

Please Help Me (repost)
1. what do you notice about the expressions in Column A compared to Column B?
2. What do you notice about their values?

Answers

Answer 1

Answer:

1.

The expressions in Column A is the reciprocal of Column B.

2.

The values are the opposite of each other.

Step-by-step explanation:

Related Questions

Could use a bit of help here!

Answers

Assuming you're trying to answer part B, there must be an image along with the question.
I need to see the images of the angle

Please help fast, I will give brainliest to whoever does

Answers

Answer:

Ok so first, divide the figure into 2 triangles ABC and ADC

Then, find the area of triangle ABC, base being 10 (5+5) and height being 4

= 1/2 * bh

= 1/2 *  10 * 4

= 20 sq. units

For 2 triangles, 20 * 2 = 40 sq. units

The image isn’t loading for me

Write the formula for the parabola.

Answers

Answer:

Given the focus (h,k) and the directrix y=mx+b, the equation for a parabola is (y - mx - b)^2 / (m^2 +1) = (x - h)^2 + (y - k)^2.

Step-by-step explanation:

please get the right answer, I need a good grade

Answers

This is my work. Not sure that if it is correct so I would check to make sure. A got an area of 222.4 cm

(BRAINLIEST)

(05.01)A scale drawing of a kitchen is shown below. The scale is 1 : 20.

A rectangle is shown. The length of the rectangle is labeled 4 inches. The width of the rectangle is labeled 5 inches.

Show your work to determine the area of the room in square feet.

Answers

Answer:

 the room will be 80 inches by 100 inches

( 1 inch ----> 20 inches

so 4 inches ----> 80 inches )

or

6 2/3 ft by 8 1/3 ft

The area of the given room is 166 2/3 ft².

What is a scale drawing?

A scale drawing is a reduced form in terms of dimensions of an original image / building / object. The scale drawing is usually reduced at a constant dimension.

The area of the room can be calculated as;

The length of the room = 20 x 4 = 80 inches

The width of the room = 20 x 5 = 100 inches.

Now, 1 inch = 1/12 foot

80 inches / 12 = 6 2/3 ft

100 / 12 = 8 1/3 ft

The Area = 6 2/3 x 8 1/3

The Area = 25/3 x 20/3

The Area = 500 / 3

The Area = 166 2/3 ft²

Therefore, The area of the given room is 166 2/3 ft².

To learn more about calculate the area of a rectangle, please check: brainly.com/question/16595449

#SPJ2

Approximate one of the solutions to the system of equations graphed below?

Answers

Answer:

a

Step-by-step explanation:

sry if im wrong

Answer:

C. (-2.2, 3.5)

Step-by-step explanation:

It's correct, I got it right on my test. :)

please help i have to at least get 82% but this is a hard concept for me, giving brainlest when available

Answers

Answer:

It is 30 minutes

The answer is 30 because the middle line of the box plot is centered at 30 which is the middle/median. :)

You made Marcellus 3 times as tall as Dan but you dragged Marcellus’s eyes to be 1 times as far apart as Dan’s eyes. A scale giant would have the same multiple for both.

If Dan's eyes are 5 cm apart, how many centimeters apart should Marcellus's eyes be?

Answers

If you dragged Marcellus’s eyes apart 1x farther than Dan’s eyes then they would both have eyes that are 5cm apart because 5 x 1 = 5

Marcellus's eyes should be 5 cm apart

If Marcellus eyes are 1 times as far apart as Daniels eyes. We can write this mathematically as;

Marcellus eyes are 1x far apart as Dan's eyes.

If we spin this over, we are told that Dan's eyes is 5 cm apart. How far apart would Marcellus's be.

Marcellus eyes will be Dan's eyes divided by the mathematical equivalent we wrote the other time, which is 1 times.

Essentially, Marcellus's eyes will be just as wide as Dan's eyes

learn more about scaling here https://brainly.com/question/8072603

Find the value of the missing angle ``

180

50

90

Answers

Answer:50

Step-by-step explanation:

a right angle is always 90 degrees and we know triangles add to 180 degrees. So add 90 and 40 to get 130. Then subtract 180 from 130 to get 50.

50 because there can only be 1- 90 degrees angle in a triangle. A 180 angle is a strait line. You can go through a process of elimination

who ever gets this will get a brainlest

Answers

okay so nine people out of twenty-five prefer tea:

9/25

The denominator has to become 100 in order to find the percentage,,,

,,,or divide the numerator by denominator and then multiply by 100 in order to find the percentage.

I'll do both ways:

since 25 x 4 = 100,

[tex]\frac{9(4)}{25(4)}[/tex] = 36/100 = 36%

OR

9/25 = 0.36

0.36 x 100 = 36%

ANSWER: 36%

What is the measure of ∠DGH?

A. 70 degrees
B. 80 degrees
C. 90 degrees
D. 100 degrees

Answers

I think it’s 70 sorry if I’m wrong and if it’s not 70 it’s 80
I think it is 70... sorry if it wrong

What is the volume of this cube?
Enter your answer as a decimal in the box.
m3
Will give brainlest if right

Answers

Step-by-step explanation:

Use formula for cube volume:

V=a³

Then add informations you already have and you are done.

V=0,5³

V=0,125 m³

Answer:

0.125

Step-by-step explanation:

The formula to find the volume of a cube is: V=a^3

Since we are given that one side of the cube is 0.5 m, you can take 0.5 and insert it into the formula V=a^3

V=0.5^3

V=0.125

Hope this helps ^-^

The diameter of a circle is 20 cm.
Find the area of a semicircle.
Use a = 3.14

Answers

Answer:

157.08cm²

Step-by-step explanation:

pls brainliest

Answer:

157 cm

Explanation:

First you need to find the radius so you divide 20 by 2 (20 ÷ 2). Which will give you, our radius of 10. You take that radius and square it so 10 x 10. You will get a product of 100. Then you multiple the 100 by pi (100 x 3.14) and you will get 314. Since it's a semicircle you need to cut this 314 in half (314 ÷ 2 = 157).

PLEASE HELP ME I’LL MARK BRAINLIEST if you actually help

match the label to the diagram please help me it’s for a test

do it correctly please number 23-28

Answers

Answer:

23. D

24. B

25. F

26. A

27. C

28. E

Step-by-step explanation:

Vincent bought t T-shirts. The shirts came in 10 packages. Write an expression that shows how many T-shirts were in each package.

Answers

10n because there is 10 packages and the number of shirts isn’t known show replace the number a shirts with a variable then multiply 10n

Nathan found two worms in the yard and measured them with a ruler. One worm was 4/5 of an inch long. The other worm was 1/10 of an inch long. How much longer was the longer worm? Write your answer as a fraction or as a whole or mixed number.
please help and thank you even if you dont

Answers

Answer:

7/10

Step-by-step explanation:

4/5 is greater than 1/10

I converted 4/5 into 8/10 because I multipled the numerator and denominator by 2.

Then I subtracted 8/10 from 1/10 and got 7/10

Which ordered pair is NOT a solution of y= 2x -6?
f. (6,6)
g. (0,6)
h. (3,0)
j. (-3,0)

Answers

it’s h because it’s not going to be negative
I think the answer is h

Can someone explain this to me?
-5 -5 -3 -3 -2 -2 -1

1. What is the mean?

2. What is the median?
3. What is the mode?
4. What is the range?

-8 -6 -4 -4 -3 -2 -1

5. What is the mean?
6. What is the median?
7. What is the mode?
8. What is the range?

Answers

1. (-4)
2. The median is the number in between the number line that is in the middle ( it goes least to greatest)(-4)
3. The mode it what number repeats ( -4)
4. The range is the subtracted greatest from the least (-1)
1. The mean is the average of those numbers. Add those numbers and divide it by how many numbers there are.
2. The median is the number in the middle. If there are two middle numbers, add those together and divide by two.
3. The mode is the number that repeats the most.
4. The range is the difference between the least and greatest number. Just take the greatest number and subtract it by the least number and you’ll have your answer.

(ONLY NUMBER 4 ) please help ASAP ( Mark brainlist)

Answers

Answer:

5

30.5

21

Step-by-step explanation:

Answer:

Step-by-step explanation:

4.a) 6

b.) 21 + 24

  = 45/2

  = 22.5

c.) 13, 29

Use the digits 1,2,3,4,5 and the following clues to find the 5-digit number.

Clue 1: The number is less than 30 000
Clue 2: The 3 is next to the 2
Clue 3: The 2 is NOT next to the 1 or 4
Clue 4: The 5 is NOT next to the 1 or 4
Clue 5: The 3 is next to the 4 or 5

Answers

24,325

It’s less than 30,000
The 3 is next to the 2
The 2 isn’t next to 1 or 4
The 5 isn’t next to 1 or 4
The 3 is next to 4
Has to be 24,325 I saw this question before

Can someone solve this for me plsss i really need help with this no links an dno doing it just for the points need all three questions WILL GIVE BRAINLIEST

Answers

Answer:

1. m∠1 = 105 m∠2 = 75

2. x= 130

Step-by-step explanation:

1. Solved m∠2 by using 75° angle because they are the same angle

m∠1 = 180- 75°

2. 180-70= 110

(x-20)= 110

x= 130

what the radius and diameter

Answers

On is 26 the second one is 45 cuz 3x3 = 9 so that be 35

Answer: 1. The Diameter is 25 and The Radius is 12.5

2. The Radius is 2 and The Diameter is 4

Step-by-step explanation:

Kahn academy slope from graph pls help asap

Answers

Answer:

Y:3.5

X:-5

Step-by-step explanation:

You have to see where the line connects hope this helps :))

Someone already answered but I’ll explain how to do it. Pick two points on the graph. Put Y over X like this Y/X then subtract the second coordinates by the first ones and simplify if needed.

I would like to know what part of the ax+bx=c standard equation means in a graph

Answers

The answer is C. -x^2 - 4x + 5

HHHHHHHEEEEEEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLLLLPPPPPPPP

can someone please help answer this questionn

Answers

Answer:

120

Step-by-step explanation:

Giving brainliest so no links
Choose the best estimate for the weight shown on the scale below.

A) 192 lb
B) 192 T
C) 197 lb
D) 197 T

Answers

The answer is A. 192 lbs

weight is measured in pounds = lbs

the scale shows 192
The answer is A 192 lb

Info:
The design updates are done, so I'm back!

,.-~*¨¯¨*·~-.¸-(_¿? Question: ¿?_)-,.-~*¨¯¨*·~-.¸
What is 2 + 7(56 x 402) + 632

▀▄▀▄▀▄▀▄▀▄▀ Options: ▀▄▀▄▀▄▀▄▀▄▀
A. 203,240
B. 285,532
C. 153,321
D. 22,512

Answers

First you multiply (56 times 402) which is 22512
Then you do
2+7*22512+632
Then you multiply 7 times 22512 to get
157584
After that you do 2+157584+632
Once you calculate the sum it will bring you 158218? it’s right when I did my equation but I don’t see it in the options

Find the area of the shaded region

Answers

Answer:

104ft

Step-by-step explanation:

104 > 13ft x 16ft divided by 2 :)

An investor has an account with stock from two different companies. Last year, his stock in Company A was worth $1790 and his stock in Company B was worth $1000. The stock in Company A has increased 20% since last year and the stock in Company B has increased 22%. What was the total percentage increase in the investor's stock account? Round your answer to the nearest tenth (if necessary).

Answers

Answer:

20.7%

Step-by-step explanation:

Amount of stock increased in Company A = 20% of 1790

           = 0.20 * 1790 = $ 358

Investor's stock in company A this year = 1790 + 358 = $ 2148

Amount of stock increased in Company B = 22% of 1000

           = 0.22 * 1000= $ 220

Investor's stock in company B this year = 1000 + 220 = $ 1220

Total amount in investor's stock account  = 2148 + 1220 = $ 3368

Increased amount = 3368 - 2790 = $ 578

Increase percentage = [tex]\frac{578}{2790}*100[/tex] = 20.71

                                   = 20.7%

Answer:

20.7%

Step-by-step explanation:

What does it mean when it shows this in math

Answers

The number in between the bars will always be equal to the same number, but positive. For example:
|-15| = 15

|15| = 15

|5| = 5

|-5| = 5
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