Mathematics Middle School

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Answers

Answer 1

Answer: See explanation

Step-by-step explanation:

1. Step 1: Add up all the numbers.

12 + 15 + 10 + 15 + 11 + 12 + 15 = 90

Step 2: Count how many numbers there are.

There are 7 numbers

Step 3: Divide the sum of the numbers by amount of numbers.

90 ÷ 7 = 12.85

12.85 ≈ 12.9

Mean = 12.9 in tenth place or 13 in whole place

2. The mode is the number that appears the most

15 appears 3 times.

3. 38 / +38

4. 1 week = 7 days

7 × 2 = 14

9 weeks = 9 × 7 = 63

63 × 3 = 189

189 + 14 = 203

203 miles in all

5. Area of 1st rectangle: b × h

4 × 14 = 56

Area of 2nd rectangle: b × h

4 × 14 = 56

56 + 56 = 112

Area of polygon = 112

Hope this helps!

Answer 2
It’s is 112 hoped it helped!

Related Questions

Hi i need help on this for math.

What is the value of x, in degrees?

Answers

The answer is x=16

Step-by-step explanation:

3x+4x+46+2x-10=180

9x+36=180

9x=144

X=16

I am a math teacher If you need any explanation you can communicate with me on Whats on this number 01557831028

Answer

[tex] \sf{2x-10 + 4x +46 + 3x = 180° ~~[angle~sum ~property ~of ~a~ {\triangle}]} \\\\ \sf{9x + 36 =180°} \\\\ \sf{9x=180-36} \\\\ \sf{9x = 144} \\\\ \sf{x= {\dfrac{144}{9}}} \\\\ \sf{x=16} [/tex]

I suck at basic Geometry. ( episode 2)



( oh yeah, please explain how to get it, this one is easy, im just making sure my answer is correct)

Answers

Answer:

B and C

Step-by-step explanation:

Triangles are similar if they have the same angles and their sides are proportional

The answer is B and c

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Answers

Answer:

-1 for the first question

second one is 12

Number one is negative 1 and number two is 12

help lol i need help

Answers

The answer to the first question would be 13.4375

Please answer from the picture below.

Answers

Answer:

Isn't it TK?

Step-by-step explanation:

Transversal means intersecting a line so like perpendicular, in a way.

Since all the others go through LR, the right vertical line. TK, the left vertical line, is not transversal, almost parallel to LR, I think.

Answer:

I think it is TK.

Step-by-step explanation:

Because, if you look at it L is not connected to it because they are on a whole set of a new line.

Each cube in this figure measures 1 centimeter on each side.

What is the volume of this figure?


112 cm³

84 cm³

33 cm³

31 cm³

Answers

Answer:

84 cm cubed

Step-by-step explanation:

length is 4 and width is 7 and the height is 3 so it is 4*3*7 which is equal to 84

Answer is 84 first do the bottom 4 x 7 x 3 which is 84

can someone help me plz

Answers

Answer:

X=12

Step-by-step explanation:

Isolate the variable:

4x/4 = 48/4

Simplify:

X=12

Hope this helps!

Answer:

x = 12

Step-by-step explanation:

Step one: Inverse the equation to eliminate the coefficient*.

*The coefficient is the number or variable that multiplies another variable (associated with it). In this case, it is four that is the coefficient.

48/4 = 12

x = 12

Check for answer:

4*12 = 48

The answer is x = 12.

Hope this helped. Have a great day.

what's the average of 750m 1.2km 550m 1.3km ?
please help asap!

Answers

Answer:

325.625

Step-by-step explanation:

Add them up to get 1302.5 then divide by 4 to get 325.625

I need help please I really do

Answers

Answer:

Put two points anywhere and I will try helping

Make sure to label one A, one B, and one C.

Step-by-step explanation:

Which statement is true?

answer 1: 50.1 < 5.01

answer 2: 3.37 < 3.368

answer 3: 9.07 > 9.008

answer 4: 123.466 > 123.462

Answers

Answer 4 is true because 123.466 is greater than 123.462
Answer 4 because 123.466 is actually greater than 123.462 by .004

Two angle measurements of a triangle are 62° and 28°. What is the measurement of the third angle?

Here are your options!
90°, 110°, 10°, 62°

Answers

Answer:

90°

Step-by-step explanation:

the sum of the angle measurements of a triangle always equals 180°

so if you add the 2 you have you would get 90°

then you subtract that from 180°

x= 180°- (62°+ 28°)

Answer:

the third angle would measure 90 degrees

Step-by-step explanation:

the answer is 90 degrees because 62+28=90 and the area of a triangle is 180 degrees so 180-90=90

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Answers

Answer:

8

Step-by-step explanation:

and the surface area

for the whole shape is 107 yd^2

Answer:

8 yd

Step-by-step explanation:

I need help please I really need help

Answers

What point is A and B? I’m unable to help without knowing context of the previous question that led to number 16.

I completed a survey of a students math grades from the last 6 weeks. Their grades were 95, 50, 70, 65, 60.
What is their report card grade average? 68

Answers

Answer:

68

Step-by-step explanation:

You have to add 95+50+70+65+60 = 340

Then divide 340 by 5 = 68

Your Answer is 68

Answer is an average of 68%

Find the zeros of the function
y=x^2-1

Answers

Answer:

-1 and 1 are the zeros

Step-by-step explanation:

Graph it and youll see that the curve touches the x axis at (-1,0) and (1,0)

-1 and 1 are the zeros

Find the measure of missing angle.

Answers

Answer:

50 dege angle, all triangle angles add up to 180

Step-by-step explanation:

Answer:

50°

Step-by-step explanation:

A right angle is 90 degrees, a right angled triangle is 180°

180 - 90 - 40 = 50°

Choose the best estimate for the capacity of a bath tub.
A. 5 ml
B. 500 ml
C. 50 cl
D. 500 L

Answers

Answer:

D

Step-by-step explanation:

Because of the gravity of the earth

I believe the answer is D

x + 4 5/6 = 9 what is x

Answers

x+29/6=9
(convert mixed fraction to improper)
x=9-29/6
x=25/6 (calculate the difference)
therefore your answer is x=25/6
or x=4 1/6 OR x= 4.16

The value of x from the given equation is [tex]4\frac{1}{6}[/tex] .

The given equation is [tex]x+4\frac{5}{6} =9[/tex].

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

The solution of an equation is the set of all values that, when substituted for unknowns, make an equation true.

Here, the given equation can be written as x+29/6 = 9

x = 9-29/6

x = (54-29)/6

x = 25/6

x = [tex]4\frac{1}{6}[/tex]

Therefore, the value of x from the given equation is [tex]4\frac{1}{6}[/tex] .

To learn more about an equation visit:

https://brainly.com/question/14686792.

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Help only right awnsers i will possibly give more points

Answers

Answer:

62 and B

Step-by-step explanation:

for the smaller rectangles: 2×3=6

for the thinner rectangles: 2×5=10

for the thicker rectangles: 3×5=15

add all together

hope this helps :)

The answer is 62&B have a wonderful day

decipher this please

Answers

Answer: I think

Step-by-step explanation: 1=e, 2=a, 3=c, 4=d

The answer is EACD
Tip: (x,y) 1 is the x-coordinate and 2 is the y-coordinate

pls help its last question I need this to get 80% if I don't I have to do it again​

Answers

Answer:

x = 7/9

i hope this is the answer you are looking for

Step-by-step explanation:

Answer:

x = 7/9

Step-by-step explanation:

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Cells age and eventually die. What happens to ensure an adequate supply of healthy cells in a multicellular organism?
Group of answer choices

A) Living cells near the dead cells grow larger.

B) Living cells pass nutrients to the dead cells, restoring them.

C) Living cells divide, making new cells.

D) Living cells in other tissue take on the functions of the dead cells.

Answers

Answer:

B

Step-by-step explanation:

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Answer:

c

Step-by-step explanation:

At school, 460 students walk to school.

A. The number of students who bike to school is 5% of the number of students who walk. How many students bike to school?


B. The number of students who ride the school bus is 110% of the number of students who walk. How many students ride the school bus?​

Answers

a. 23 students bike to school

b. 506 students take the bus
A. 460 x .05,

B 1.10 x 460

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Answers

The correct answer should be 1.22727 and repeating you could round to 1.23. The incorrect way they did it was they put 27 h instead of 22h and divided 27 by 27 instead of 27 by 22.
they didn't combine like terms correctly, but the answer is the same

Help me please, I don't understand how to figure this out.

Answers

Answer:

i think 169 i dont know this math

Step-by-step explanation:

the answer is 146.154

your solving for the hypotenuse, which is always c in the pythagorean theory .

so a2+b2=c2
a=144 ,b=25 ,c=x
144 squared +25 squared =x squared
20,736 + 625=x
20,736+626=21,361
then square root 21,361 .
146.154 is your answer


Pls help I don't wanna get a bad grade

Answers

Answer:

With wha..?

Step-by-step explanation:

Is there supposed to be a photo or something?

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Answers

Answer:

Gara, m to the 6

Answer:

It would be D, Gara simplified the expressions correctly.

Step-by-step explanation:

Multiply  m ^4  by  m ^2  by adding the exponents.

z-2/3=1/8
what does z equal

Answers

Answer:

19/24

Step-by-step explanation:

z-2/3=1/8

z=2/3+1/8

z=19/24

Answer:

Z = 19/24

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Answers

Answer:

Top one is 2x10+8x1+3x0.1

Step-by-step explanation:

PLEASE HELPPPPP!!!!!!!!

Answers

Answer:

git it

Step-by-step explanation:

yayyy i dont know

Lol lol in what???!?!?!!i Can help
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