Mathematics Middle School

Can someone help me on this chart? the expressions for the perimeter of the rectangle is (4x2)+(2x2) =12
and for the octagon the perimeter is 1.5x8 = 12

please help?

Can Someone Help Me On This Chart? The Expressions For The Perimeter Of The Rectangle Is (4x2)+(2x2)

Answers

Answer 1

Answer:

hola que nesecitas yo no se ese deber

Answer 2
I think it’s 100 I’m not sure why but don’t go for my answer too be safe

Related Questions

Answer the question in the pic pls. Don’t answer unless you are sure if your answer

Answers

Answer:

its 20

Step-by-step explanation:

20 because 10+10=20. it’s a pattern happening. in each circle you are double the first number and then doubling the second number to get your final answer.

Is –862 ÷ 1 positive or negative?

Answers

Answer:

Negative

Step-by-step explanation:

Answer:

It's negative

Step-by-step explanation:

–862 ÷ 1

= -862

and even remember that if a negative number is divided by positive the answer will be always negative

same applies here

pls help this is due tmrw!! i will give brainliest :)

Answers

Answer:

C integers

Step-by-step explanation:

Becoz postive and negative numbers makes integers.

Answer:

A

Step-by-step explanation:

ny number in the form of p/q where p and q are integers and q is not equal to 0 is a rational number. Examples of rational numbers are 1/2, -3/4, 0.3, or 3/10.

3/2 = 5d - 1/2

solve for d

​

Answers

Answer:

D = 2/5 or 0.4

Step-by-step explanation:

3/2 = 5d - 1/2

move the terms

3/2 - 5d = -1/2

calculate the difference

-5d = -2

divide both sides by -5

2 = 2/5

Answer

3/2 = 5d - 1/2
+1/2 +1/2
2=5d
divide both sides by 5

D = 2/5

I WILL MARK AS BRAINLIEST! Find the area and perimeter of the following figures

Answers

Step-by-step explanation:

it is really not complicated. we only need to type the numbers into the calculator.

so, what's the problem ? you don't know what a perimeter is ? it is the circumference, the total way you have to go when waking all around the figure.

you don't know the formulas for the areas of specific figures ?

let's start :

a)

the area of a rectangle is length×width. I hope you know this at least since first grade.

the important thing here is : the result is in² and not just in. it means an area counts the little squares that fill that area.

A = 30×8 = 240 in²

the perimeter, as explained, is the whole way around it. so, in the end, as you can easily see, we would have to go 2 times the long side and 2 times the short side.

the result is in (just a length, a distance not an area, not a cube, ...).

P = 2×30 + 2×8 = 60 + 16 = 76 in

b)

the area of a triangle is

baseline × height / 2

in this case (a right-angled triangle) we can assume one of the sides enclosing the 90 degree angle as baseline and the other as height (since there is already a 90 degree angle between them).

and again, the result is ft². we could express it also e.g. as in², but since the basic measures are in ft, it makes it better understandable to use ft².

A = 12×5/2 = 6×5 = 30 ft²

the perimeter is even easier than for the rectangle, as we have one side less to count.

and as before, we stay with ft.

P = 12 + 13 + 5 = 30 ft

c)

this is the only more special case.

but it is still easy.

the area is baseline × height.

and our unit of measurement here is cm, so the result will be cm².

A = 10×2 = 20 cm²

the perimeter is the same principle as with a regular rectangle, as the angles don't matter. only the side lengths matter.

so, again, while waking around it, we have to pass 2 times the long side and 2 times the short side.

and the result is a length, a distance again, so, it is cm.

P = 2×10 + 2×4 = 20 + 8 = 28 cm

1. A= 240 inches squared P= 76 inches
2. A= 30 feet squared. P=30 feet
3. A= 20 cm squared P= 28 cm

find the exact coordinates of X on segment JK that is 1/3 the distance from j to k. J (-1,4)​ K(5,-3)

Answers

Answer:

ee

Step-by-step explanation:

e

... fhhhriirnfiijrifjbfufjfbfijffjdudj

please help me with this

Answers

The mistake was the first line, they didn’t multiply the two
It is the third one cause he wast supposed to do the opposite

Given that |-6| > 3, which statement is not true?
-6 is farther from 0 than 3 is on the number line.
6 > 3
3 > -6
-6 is greater than 3.

Answers

Answer:

-6 is greater than 3.

Step-by-step explanation:

-6 is less than 3

Can somebody help me with questions 11 and 12 I’ll appreciate it!

Answers

11) 88140 divided by 4520 = 19.5 meaning you would need 20 fire extinguishers
Yah why she said I am just here for points

The student council is making and selling square patchwork quilts to raise money for the homecoming dance. Which of the following number of squares can be used to create a square patchwork quilt? Justify your answer using three complete sentences.

A. 35 B. 84 C. 64 D. 18

Answers

Answer:

64

Step-by-step explanation:

For the area of the quilt to be square, the number of "Squares" must be a square number.  You must be able to take the square root and get an integer

35 is not a perfect square

84 is not a perfect square

64 is a perfect square  sqrt(64) = 8

Answer:

the awnser is simply B. 84

Step-by-step explanation:

Help me mateee or person

Answers

I think it’s person

Find the number that makes the ratio equivalent to 11:4.
44:

Answers

Answer:

16

Step-by-step explanation:

11:4

44;x

11x4=44

4x4=16

Answer:

44:16

Step-by-step explanation:

11:4      

44:x

44/11=4

4x4=16

11:4

44:16

I WILL MARK AS BRAINLIEST! Find the surface area and Volume of the following figures

Answers

Step-by-step explanation:

a) is really easy, right ?

the surface area consists of 6 rectangles (as you know, every die has 6 sides). they are 3 pairs of equally sized rectangles.

there are 2 rectangles 7×1, 2 rectangles 7×2, and 2 rectangles 2×1

SA = 2×7×1 + 2×7×2 + 2×2×1 = 14 + 28 + 4 = 46 in²

the volume is just length×width×height

V = 7×2×1 = 14 in³

b)

a little bit more difficult, but with a little trick just as easy.

the surface area consists of the 2 circle areas and the mantle "coating".

the area of a circle is pi×r².

we have to be careful as the given 10 ft is the diameter of these circles. the radius is half of it : 5 ft.

the area of the "mantle" we can calculate by imagining we simply slice it open with one straight line from top to bottom. and then we cut it off the two circles and put it flat on the table.

now we see it is just a rectangle. one side is 12ft. the other is the circumference of the previously attached circles.

circumference of a circle is 2×pi×r

so the surface area is 2×circle + (circumference circle)×12

SA = 2×pi×5² + (2×pi×5)×12 = 50pi + 120pi = 170pi =

≈ 534.07 ft²

the volume is one base area (circle) times height

V = pi×5²×12 = 300pi ≈ 942.48 ft³

Lililololilolinjihhhh 2

One table at a bake sale has 150 mini cupcakes. Another table has 180 mini cookies. Which allows more square arrangements when all the mini cupcakes and mini cookies are displayed? Explain.

Answers

Answer: 180

Step-by-step explanation:

their are many ways to split 180 into ways to be a square

Answer:

Another table has 180 mini cookies. Wich table allows more square arrangments when all mini cupcakes and mini cookies are displayed?

Step-by-step explanation:

I am literally struggling lol

Answers

Answer:

The blank space is 2.

Answer:

2

Step-by-step explanation:

9*22 = 198

(9*20) + (9*2)

= 180 + 18

= 198

I need help with this

Answers

Answer:

What question?

Step-by-step explanation:

Lol what do you want us to do lol

Find the function f(g(x)) if f(x) = x^2 + 2x. Given g(x) = x + 1. Also find f(g(2)) = f(2).

Please provide an explanation as well. Thank you! :)

Answers

The answer to this question is 5
so for f(g(x)) the answer is the highlighted expression. I’m not so sure what the other question is asking but you can write the other stuff down and hope they give you credit :)

In complete sentences, describe how Spain established territorial claims in the Caribbean and South America. Include these terms in your answer: Christopher Columbus, conquistadors, Hernán Cortés, Francisco Pizarro.

PLEASE help me

Answers

Spain and irish help the economy

Find the number that makes the ratio equivalent to 35:42
16

Answers

Answer:

5:6

Step-by-step explanation:

35:42

42/ 6 = 7

35/7 = 5

Answer:

35:42

Step-by-step explanation:

Find the unit rate.
42 apartments on 3 floors
apartments per floor

Answers

Answer:

7

Step-by-step explanation:

Answer:

The answer is 14.

Step-by-step explanation:

All you have to do to figure this problem out is to divide 42 by 3. I hope this helps! :)

Which number has a 9 that is 1/10 the value of the 9 in 296?

195
409
981
1,956

Answers

Answer:

409

Step-by-step explanation:

This is very easy. First of all you need to workout out 1/10 of the value of the 9 in 296. The value of the 9 in 296 is 90.

1/10 of 90 is 9 (since 1/10 x 90 = 90/10 = 9)

The only number which has 9 as its final digit is 409

409 because if multiply 9 and 296

please helpp me i'm kinda not smart in da head

Answers

Answer:

the answer would be C.

Step-by-step explanation:

C is your answer

Answer:

answer b

Step-by-step explanation:

Calculate the Mean: 24, 27, 31, 21, 27​

Answers

24+27+31+21+27 divided by 5 = 26. Your final answer is 26 :)

Answer: 26

Step-by-step explanation:

mean is the same thing as finding the average

you add up all the numbers then divide by the amount of numbers there are

24+27+31+21+27=130

130\5=26

pleasee helppp 15 pointss pleaseee

Answers

Let,
The first triangle with sides 7 and 3.5 be ΔABC
The second triangle with sides 3 and x be ΔCDE

ΔABC ≅ ΔCDE (they are congruent) as:
1) They have a common point C
2) ∠ABC = ∠CDE = 90° (given)

Hence we can say,

AC/CE = BC/CD

= 7/x = 3.5/3

Therefore,
x = (7*3)/3.5
= 21/3.5
= 6
Easyyy
6 is the answer for your question

The model shows the expression 30 +12. Which expression is equivalent to thi sum?

Answers

Answer:

There are many answers to this question like:

7x6

21x2

84/2

27+15

Step-by-step explanation:

If 30+12=42, all you really have to do is check each answer to see if it either adds up to 42, multiplies to get 42, divides to get 42, or subtracts to get 42.

Answer:

6(5+2)

3(10+4)

Step-by-step explanation:

These are just a couple of equivalent sums, I am assuming this is a sort of short response and not a multiple choose so i believe you can use this.

at the mall, myna bought a shirt for 25.36, a hat for 5.09 and a belt for 11.45. how much did she spend altogether?

Answers

Answer:

41.90

Step-by-step explanation:

25.36 + 5.09 + 11.45 = 41.90

Answer:

25.36+5.09+11.45= 41.9

Step-by-step explanation:

Please get right and do quick

Answers

Answer:

h = S/(2 π r) - r

Step-by-step explanation:

Solve for h:

S = 2 π r (r + h)

S = 2 π r (r + h) is equivalent to 2 π r (r + h) = S:

2 π r (r + h) = S

Divide both sides by 2 π r:

r + h = S/(2 π r)

Subtract r from both sides:

Answer: h = S/(2 π r) - r

Answer:

h=s/(2 π r) -r

Step-by-step explanation:

what is a conversion i need a visual Please Hurry

Answers

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I beg you, HELP MEEEE!!!!! One spinner is divided into four equal sections numbered 1 to 4. A second spinner is divided into five equal sections numbered 5 to 9. How many total outcomes are there if both spinners are spun?

13
9
20
36

Answers

Answer:

9 is the correct answer

The answer is 9 total outcomes

Select all ratios equivalent to 2:3.

Answers

Answer:

12:18 and 10:12 (i think)

Step-by-step explanation:

After converting the given ratios in their simplest form, the equivalent form of 2:3 we get 12:18.

To find the simplest form of a fraction, you have to simplify the numerator and denominator to their lowest terms and keep dividing until you can no longer simplify the fraction any further.

The given ratios are,

12:18,

3:21,

10:12

For the ratio 12:18,

Simplify it by finding the greatest common divisor (GCD) of 12 and 18.

The GCD of 12 and 18 is 6.

By dividing both numbers by 6, we get the smallest ratio of 2:3.

Moving to the ratio of 3:21,

Find the GCD of 3 and 21, which is 3.

Dividing both numbers by 3 results in the smallest ratio of 1:7.

Find the smallest ratio for 10:12.

The GCD of 10 and 12 is 2.

Dividing both numbers by 2 gives us the smallest ratio of 5:6.

Hence, the simplest form of ratios for the given ratios are:

12:18 = 2:3,

3:21 = 1:7,

10:12 = 5:6.

Hence,

The ratio equivalent to 2:3 is 12:18.

Learn more about the ratio visit:

https://brainly.com/question/12024093

#SPJ6

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