Mathematics Middle School

what is the peremeter and area of the photo below, also please show work .

Answers

Answer 1

Answer:

102.849

Step-by-step explanation:

the perimeter of the square is just 4 × 18.

for the semi-circle the perimeter should be R(pi + 2)

so the perimeter of a semi circle is 30.849

add both values for the final answer which is 102.849

Related Questions

i need help on this question

Answers

Answer:

it should be -7

Step-by-step explanation:

-13-2=-15

-15 add 8 = -7

hope this helps.

please help and give step by step explanation thank you

Answers

Answer:

x = 40

Step-by-step explanation:

(3x + 5) + (x + 15) = 180

3x + 5 + x + 15 = 180

4x + 20 = 180

-20 -20

4x = 160

÷4 ÷4

x = 40

I hope this helps!

I WILL GIVE BRAINLIEST

Answers

Answer:

y = -5x - 3

Step-by-step explanation:

To answer this the slope must be clculated first

slope equation:

[tex]\frac{y2-y1}{x2-x1}[/tex]

these variables symbolize ordered pairs, and the best part is that you can use any two ordered pairs for this example we can use (-5, 10) and (-3,0)

we'll call the first ordered pair 1 so x1 = -5 and y1 = 10.

the next odered pair is 2 so x2 = -3 and y2 = 0.

With this information layed out we can solve:

[tex]\frac{0-10}{-3-(-5)}[/tex]

0 - 10 = -10

-3 - (-5) = 2 --- remember negatives cancel each other out to make a positive

[tex]\frac{-10}{2}[/tex] = -5

the slope of the line is -5. Now the next thing to note is that one of the ordered pair (-3,0) is a y intercept. It's time to introduce the equatione of a line:

y = mx+b

There are other equations that can be used for a line but with the info given this equation best suits the data.

m = slope

y and x = are the ordered pair you can input into the equation to slove

b = the y intercept

So the equation would be:

y = -5x - 3

please help me with this

Answers

Answer:The difference between the medians is 2.5

Step-by-step explanation: So how I did this is first I found the median of the two plots (median=the middle number in a group of values) so anyway I lined it all out because I find it easier to do it that way (20,25,25,30,30,30,30) so the answers I got for both plots were -plot A=32.5 and plot B=30 than difference means subtract so 32.5-30=2.5

Thw difference between the medians is 2.5

Find the measurements

Answers

Answer:

angle 2=120°

angle 1=60

Step-by-step explanation:

70+50=120

180-(70+50)=60

angles on a straight line add up to 180°

180-60=120

please help me with this! i’ll give you brainlist or whatever it’s called just help

Answers

Y= -2, -1, 0, 1 ,2
The function is linear

Answer:

-2, -1, 0, 1, 2

Step-by-step explanation:

-4/2=-2

-2/2=-1

0/2=0

2/2=1

4/2=2

PLEASE I REALLY NEED THISS
Winter has just begun. After one week, the temperature decreased by 46.8° with a
percent change of 72%. What was the temperature at the beginning of the week and
what is the temperature now?

Answers

Answer:

It increased by 33.696

Step-by-step explanation:

I took the test, :D-|--=:

A grocer wants to mix nuts costing 5.00 per kilogram with nuts costing 8.00 per kilogram to make a 10 kilogram mixture for 6.00 a kilogram. How much of each type should he mix.

Answers

Step-by-step explanation:

let E be weight of expensive nuts, C be cheaper nuts

E*8+C*5=10*6 value equation

E+C=10 mass equation

Solve it by any method, I will do determinants

Det: 8-5=3

E= (60-50)/3=10/3 =3.33 lb

C= 80-60 /3=20/3 =6.66 lb

Answer:

mix nuts 20/3

nuts 10/3=

Step-by-step explanation:

x+y=10

5x+8y=60

Which of the following equations are linear functions? Explain how you got your answer.
Select the three linear functions.
A. y = x to the power of 2 - 1
B. y = 2x + 1
C. y = 1/2x - 5
D. y = 1/3x to the power of 2
E. y = -x

Answers

Answer:

B, C, and E

The reason B, C, and E are the answer's is because the equation of a linear equation is y= mx+b. B, C, and E are written this way. We can eliminate A and D because They are quadratic equations, because the X is squared.

Hope This Helps! :) Please mark brainliest!

Yep it’s B,C,E their linear functions

A plane travels at a constant speed. It takes 6 hours to travel 3,360 miles. What is the plane’s speed in miles per hour? At this rate, how many miles can it travel in 10 hours?

Answers

The planes speed would be 560 miles/hour.
If you divide 3360 by 6 = 560
In 10 hours the plane would travel 5,600 miles.
560 x 10 = 5600

First to find the planes speed in miles per hour,
Divide 3360 by 6 which gives you 560.
Then, to find for 10 hours, you would multiply 560 by 10 which gives you 5600.
The plane can travel 5600 miles in 10 hours.

Rule 1: Multiply by 2 then add 1 starting from 1. Rule 2: Divide by 2 then add 4 starting from 40.

Answers

first I start with 1 and multiply 2 =2 and add 1 =3

so on

start with 40 divided by 2 =20+4=24

The sum total of the sequence would be 45, using the two steps given.

What is Algebra?

This refers to the use of mathematics to solve equations and letters represent numbers.

Although your sequence is incomplete because it only gave two steps, I would work with only those steps.

Hence, if the first number is 1,

Multiply by 2, 1 x 2= 2

DIvide by 2, 2/2= 1

Add 4, starting from 40.

1+44= 45.

Answers

Answer:

Step-by-step explanation:

first, figure out the radius. the radius is the 1/2 of the diameter, so 5. in the equation, the formula is pi x radius^2. so 5^2 is 25. then 25x3.14 is b, and we have our answer.

Answer:

Step-by-step explanation:

10 divided by 2=5 radius

to get area = Radius^2 x pi

5x5x3.14= 78.5 square units

Hope this helped!

Please help will give brainiest!!! 4. The pathway of a quarter being thrown off a bridge can be modeled by the equation h = -16t2 + 72t + 120. At what time does the quarter reach a height of 50 feet?

Answers

Based on your information of your question
Substitute h=50 then solve for the t

H would be equal too 50

Can you answer the question in the screen shot? Thanks!

Another question about this one:
For every 3 circles there are _ : _ total shapes, therefore the simplified ratio of circles to total shapes is _ : _

Answers

For every 3 circles there are 8 in total
Answer: 3:8

screenshot: answer: 9:20

another question: answer: for every 3 circles, they are 3:8 total shapes

meth, please help meeeeeeh

Answers

Answer:

50⁰

Step-by-step explanation:

we know that sum of angles in a triangle is equal to 180⁰

on adding the angles we get

x⁰+x⁰+20⁰+x⁰+70⁰=180⁰

3x⁰+90⁰=180⁰

3x⁰=90⁰

x⁰=30⁰

Now angle R=x+20=30+20=50⁰

Answer is 50⁰

I HOPE IT HELPED YOU

Answer:

50 degrees

Step-by-step explanation:

I will give brainliest to the first person to answer

Write the equation for the following situations
After adding an 8 pound box of tennis rackets to a crate with 5 identical boxes of ping pong paddles, the crate weighed 72 pounds.

Answers

Answer:

I would say 80 pounds worth of tennis and ping pong equipment

Step-by-step explanation:

8lbs+72lbs=80lbs

what is -4/3x < -8 equal?

Answers

[tex]\qquad\qquad\huge\underline{{\sf Answer}}♨[/tex]

Let's solve ~

[tex]\qquad \sf \dashrightarrow \: - \frac{4}{3} x < - 8[/tex]

[tex]\qquad \sf \dashrightarrow \: - x < - 8 \times \frac{3}{4} [/tex]

[tex]\qquad \sf \dashrightarrow \: - x < - 2 \times 3[/tex]

[tex]\qquad \sf \dashrightarrow \: - x < - 6[/tex]

Multiply both sides by -1, hence inequality changes

[tex]\qquad \sf \dashrightarrow \:x > 6[/tex]

Answer:

Step-by-step explanation:

Beinggreat78, this is mostly for you. but whoever gets it right can have brainliest, but answer ASAP!

Answers

Its actully B

your welcome and pls give me the brainliest

hello!

Let's simplify these ratios:-

1. 3:9

Divide both sides by 3:-

1:3

2. 9:27

Divide both sides by 9:-

1:3

3. 2:4

Divide both sides by 2:-

1:2 (Option C)

4. 30:90

Divide both sides by 30:-

1:3

note:-

Hope everything is clear; if you need any explanation/clarification, kindly let me know, and I will comment and/or edit my answer :)

Point A is 6 units away from the origin. Select all possible coordinates of point A.

A. (6,6)
B. (6,1)
C. (6,0)
D. (1,6)
E. (0,6)

Answers

A,B,C,D,E i THINK so because if you are 6 units away then the cordinets have to have six in it im not sure tho if X axis than A,B,C

Answer : C and E not really sure if there is anything else

fill in teh blanks 9516 / 4

Answers

Answer:

2,379 & look below for remaining numbers

Step-by-step explanation:

The divisor 4 goes to the left of the whole box, because you are dividing all the numbers by 4.

So for the last box, 4 x 9 = 36

For the top of the 3rd box, it's 4 x ? = 280, so you do 280 divided by 4 = 70

For the 2nd box, 4 x 300 = 1200

For the 1st box, I did the problem of 9516 divided by 4 in long division form. 4 goes into 9 only 2 times & the 2 is in the thousands place. So on top of the 1st box goes 2,000 & in the box goes 4 x 2,000 = 8,000.

Add 8,000 + 1,200 + 70 + 36 = 9,516

9,516 divided by 4 = 2,379

2,000 + 300 + 70 + 9 = 2,379

A bad contains 15 balls of which X is red. Write an expression for the probability that a ball drawn from the bad is red. When 5 more red balls are added to the bag, the probability becomes 3/4. Find the value of X.

Answers

Answer:

Step-by-step explanation:

The current probability of picking a red ball is [tex]\frac{x}{15}[/tex]. When 5 more balls are added, the probability is 3/4. We can write a ratio for this problem:

[tex]\frac{x+5}{15+5} = \frac{3}{4}[/tex]

When using cross multiplication to solve this, you get 3 * 20 = 4(x+5).

60 = 4x + 20

40 = 4x

x = 10 red balls

pls help me thank you

Answers

Answer:

11x11= 1

1/2x11x10x4

=220

121+220=341

PLEASE GIVE CORRECT ANSWER WILL MARK BRAINIEST

Answers

Answer:

a - 30.5

b - 31

c - 31

d - 2

Step-by-step explanation:

Mean is average:

31,29,31,30,31,30,31,31,30,31,30,31

366/12

30.5

Median is the middle of the data points.

Line data points up in order from least to greatest.

29,30,30,30,30,31,31,31,31,31,31,31

12/2=6

Since there is an even amount data points the median is the mean of the two middle data points:

Middle data points: 31,31

Mode is the most common data point.

It would be 31.

Range is highest point subtracted by lowest point.

31-29=2

The answer is 31 hope that helps you’re welcome

ANSWER QUICKLY!!!

Which graph shows all real numbers closer to 0 than they are to 4?

Answers

Answer:

Graph A

Step-by-step explanation:

It’s the real numbers closer 0 then they are at 4.

A
I hope this helps

OMG big news to my family our rabbit had babies

Answers

Answer:

OMGGGG SO CUTEEE!!!

Step-by-step explanation:

Answer:The most wholesome thing I have ever seen in my life.

Step-by-step explanation:

Also 77 + 33 = 100!!

answer all 3 for brainliest

Answers

Answer:

4. 30 ft

5. 4 m

6. 32 mm

Step-by-step explanation:

diameter= radius x 2

just do problem 23e. thanks

Answers

Answer:

sorry but what do i answer

Answer:

Step-by-step explanation:

Graph the solution to this inequality on the number line.

1/4x − 2 < − 1 1/2

Answers

Answer:

Draw an open circle on 2 and continue the arrow left.

Step-by-step explanation:

Answer:

x < 2

Step-by-step explanation:

Whoever gets it right can have brainliest, but answer ASAP!

Answers

Answer:

512

Step-by-step explanation:

8³ is the same as saying 8×8×8

8×8×8= 512

Hope that helps!

Is this the right answer?

Answers

Answer:

Yes, I think that is the right answer.

Step-by-step explanation:

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