Mathematics Middle School

The necklace charm shown has two parts, each shaped like a trapezoid with identical dimensions.
What is the total area, in square millimeters, of the charm?
Enter your answer in the box.

Answers

Answer 1

Answer:

855mm

Step-by-step explanation:

A = (b₁ + b₂)h / 2

A = (25mm + 32mm)(15 mm) / 2

A = 427.5 mm²

total area = (427.5 mm²)(2)

total area = 855 mm²

Answer 2

Answer:855mm

Step-by-step explanation: I took the test

Related Questions

he table below shows how much money you have in savings each week. Answer the questions below

x (Week) y (Savings)

0 $50
1 $75
2 $100
3 $125
4 $150
5 $175

B. How much money did you start with?

Answers

Answer:

According to the table, you had $50 in savings at the beginning, during Week 0.

You started with $50 and you had that during week 0.

The population of a city increases by 2% per year. If this year's population is pp, which expression represents next year's population?

Find the annual interest rate. Round your answer to the nearest hundredth of a percent.

I=$160.67, P=$2000, t=8 months

Answers

Answer:

Next year's population would be represented by the expression pp * 1.02.

Step-by-step explanation:

the years population is 75%

A wedding cake has two layers, as shown. Each layer is in the
shape of a cube. The bottom of the cake and the area where
the two cakes meet are not frosted. What is the area that will be frosted on the top layer?

Answers

Answer:

Step-by-step explanation:

A-10 minutes
B-8 minutes
C-5 minutes
D-3 minutes

Answers

the answer is B - 8 minutes

The answer is B as in 8 mins!

Answers

The area not frosted in the bottom layer of the cake is 680 square inches. This can be calculated by identifying the total area and the frosted in both the cube-shaped layers and subtracting the same.

Given, the sides of the cube on top are 6 inches, the sides of the cube below are 10 inches. To calculate the total surface area of cake = surface area of top layer + surface area of bottom layer) = [tex](side^{2} *number of sides + side^{2} *number of sides)[/tex]

= 6*6*6+10*10*6 = 816 square inches.

Let us calculate the total area of the cake that is not frosted, = (area of bottom+area of connection) = [tex]side*side + side *side[/tex]= 6*6+10*10 = 136 square inches. To find the area of the cake that is not frosted on the bottom layer,

=(total surface area of the cake - total area of the cake not frosted)

= 816 - 135 square inches = 680 square inches. Therefore, the total area not frosted on the bottom layer is 680 square inches.

To learn more about the area calculation, https://brainly.com/question/30796607

What is the surface area of the prism shown?

Answers

Answer: 1.8
Explanation: you need to find the area of each of the sides of the shape and then add them together so the sum is:
(0.5x1.2)+(0.4x1.3)+(0.4x1.2)+(0.5x0.4)
=1.8
Note: to find the area of the triangle you don’t need to divide by two because there are two of the triangle sides so they just cancel out.
Hope this helps, pls mark brainiest answer.

help me asap please Which expression calculates the speed in feet per second of an object that travels a distance of 40 feet every 10 seconds?

Responses

A-10 divided by 40

B-10 plus 40

C-40 divided by 10

D-40 times 10

Answers

Answer:

Step-by-step explanation:

Speed can be calculated by distance over time. (or in a fraction)

Therefore, the answer is C because 40÷10 equals 4 ft./h.

Hope it helped!

correct answer is C

Create an Complimentary equation.

A- x+3+x-1+x+1=180

B- x+3+x-1+x+1=90

C- 3x-1=90

D- You don't

Answers

Answer: B

Step-by-step explanation:

The angle equals 90 degrees, and adding all of those split sections up it should equal 90 degrees.

Está fácil todo es 90 grados entonces se suma y se iguala a 90

help me pls,i dont understand this

Answers

Answer:

approx 314 m^3

Step-by-step explanation:

volume=pi r^2 h/3 => pi*5^2*12/3 =>3.14*25*4=314

Answer:

approx 314 m^3

Step-by-step explanation:

Three circles are placed in a rectangle with length 24m, as shown below.
Find the area of the shaded region. Use the value 3.14 for pi, and do not round your answer. Be sure to include the correct unit in your answer.

Answers

Answer:6.28

Step-by-step explanation:

I think

Answer: 6.28 Step by step: I don’t know

what is -0.3(0.2)(12)

Answers

Answer:

-0.72

Step-by-step explanation:

(-.3)(-.2)= -0.06

(-.06)(12) = -0.72

The right answer is -0.72

-0.3 x 0.2 x 12 = -0.06 x 12

-0.06 x 12 = -0.72

What is the area of this trapezoid?

Enter your answer in the box.

Answers

Answer:

153 units squared

Step-by-step explanation:

first, multiply 10 x9 to find the area of the rectangle, which is 90

then find the area of the triangle. The formula for area of a triangle is

A=1/2bh

so, 7 x 9= 63 divided by 2 is 31.5

since there are 2, multiply 31.5 x 2= 63

add 63 to 90 which is 153

Answer: 153 sq. units

Step-by-step explanation:

Base a = 10

Base b = 7x2 = 24

Height = 9

area of trapezoid = 1/2 * (a+b) * h

= 10+24 * 9 /2

= 306/2 = 153

Can someone please help

Answers

the answer is -5 3/5

Answer:

Ello Mate! You anwer is D. -5 3/5

Step-by-step explanation:

Help me Pls!!!! also don't scam me like someone else did. I need this pretty quickly

Answers

The answer is 2/7 because x always = 1 so it would be 2/7(1) which is 2/7

Pls answer quick : Arwind walked 1/2 of a mile to the grocery store and then 4/6 of a mile to the bank, How can he write 1/2 and 4/6 as a pair of fractions with a common denominator?

Answers

Answer:

He can multiply 1/2 by 3/3 which makes it 3/6 so now 4/6 and 3/6 have common denominators.

A photo of a beetle in a science book is increased to 778% as large as the actual size. If the beetle is 15 mm, what is the size of the beetle in the photo

Answers

Answer:

Step-by-step explanation:

If the beetle is 15 mm in actual size, and the photo is increased to 778% of the actual size, then we can find the size of the beetle in the photo by multiplying its actual size by 7.78:

Size of beetle in photo = Actual size of beetle x 7.78

Substituting the given value of the actual size, we get:

Size of beetle in photo = 15 mm x 7.78

= 116.7 mm

Therefore, the size of the beetle in the photo is 116.7 mm.

It is 104 cm long and it has to be D

Each line represents a proportional relationship. Write an equation for each line. Show your work.

A.

B.

Answers

Answer:

A 4x4 B 5x2

Step-by-step explanation:

check the points

The answer is A!! Click letter A

FIRST QUESTION
9 POINTS and BRAINLIEST

MAGDIEJAMESNY!!!

Answers

Answer:

Step-by-step explanation:

Answer:

HI!

I love how we are friends

U R A GOOD FRIEND!

Step-by-step explanation:

I will give 20 points
pls help me

Answers

Answer:

Q1)A=2(wl+hl+hw)=2·(4·10+6·10+6·4)=248

Step-by-step explanation:

Hopefully this is the answer you are looking for.

The surface area is 24 square inches

3. 01(1 is the repeating) as a mixed number

Answers

Answer:

Step-by-step explanation:

3.0111...=3+0.0111...

So,

x=0.01111...

then

10x=0.1111... ------(1)

100x=1.1111... ------(2)

(2)-(1) ==> 90x=1

that is x=1/90

Hence, 3.0111...= 3+1/90 =[tex]3\frac{1}{90}[/tex]

PLEASE HELP IM ALMOST OUTTA TIME 2

Answers

Answer: The answer is 32

Step-by-step explanation:

2(5)^2-2(5+4)

2 * 25 - 2(9)

50 - 18

put 5 where the x’ are, then use PEMDAS to answer. your answer would be 32.

help mee asap pleasee Which expression calculates the speed in feet per second of an object that travels a distance of 20 feet every 4 seconds?

Responses

A-20 plus 4

B-4 times 20

C-20 divided by 4

D-4 divided by 20

Answers

Answer:

Step-by-step explanation:

ANSWER:
C

Step-by-step:

d: 20
t: 4

d= v • t
20 = 4v

20/4

Part I: Making the Race
Henri is Emile's younger brother and they are having a walking race. Emile can walk 2.5 meters per second whereas Henri walks 1 meter per second. Because Emile is faster, they give Henri a 45 meter head start. Emile knows Henri would enjoy winning the race, but they do not want to make the race so short that it is obvious Emile let Henri win.

1. How long should the race be so that Henri will win in a close race?

2. Describe or show your strategy on how you came up with your answer for #1.

Answers

Answer:

Step-by-step explanation:

To make the race close, the length of the race should be 450 meters.

Here's the reasoning behind the answer:

Let's first calculate how long it would take for Emile to catch up to Henri, assuming Henri starts 45 meters ahead.

The time it takes Emile to cover the same 45-meter distance is 45/2.5 = 18 seconds.

During this time, Henri would have walked a distance of 1 x 18 = 18 meters.

So, after 18 seconds, Emile will have caught up to Henri and will be 27 meters ahead of him (45 - 18 = 27).

To make the race close, we want Henri to finish just a split second before Emile. So, we can assume that Henri will finish the race just as Emile catches up to him.

Let's call the total distance of the race "d."

So, Henri will walk d meters, while Emile will walk d + 27 meters (the 27 meters is the distance Emile has to walk after catching up to Henri).

We can set up an equation to solve for d:

d/1 = (d + 27)/2.5

Solving for d, we get:

d = 450

So, the race should be 450 meters long for Henri to win in a close race.

A B C or D??????????

Answers

Answer:

The correct answer is D

Step-by-step explanation:

there is no relationship

Answer:

Step-by-step explanation:

the length doesn't decrease nor increase the wingspan

Which expression can be used to find the surface area of the triangular prism represented by the net?

Answers

Answer: B
Explanation: the area of the top and bottom rectangle is 10x5 and there are two of them so x2. The middle rectangle is 6x10. Finally the two triangle are 6 (3+3) times by 4 and then divide by 2 because the area of a triangle is bxh/2 but there are two of these triangle so you have to x2. All of this is the equation B.
Hope this helps, pls put brainiest answer.

1. The distance between two cities is 144 km, it takes me 3 hours to travel between these cities. What speed did I travel at?

2. Jim travelled at a speed of 18km/h for 2 hours. What was the distance covered?

3. A whale swims at a constant speed of 8m/s for 17s. What distance did it travel?

*Given numbers:
*Find:
*Formula
*Solution
*Final Answer:
Each Question this is science and math

Answers

Answer:

1- 48 km/h

2- 36 km

3- 136 m

Step-by-step explanation:

1- 144:3=4

2- 18x2=36

3- 8x17=136

The graph below represents a map where each unit is 1 mile.

How many miles is the most direct path from Jim's house to the mall?

A. 12 miles
B. 9 miles
C. 15 miles
D. 21 miles

Answers

THE ANSEWR IS 21 BECAUSE

I am to believe that the answer is 21

i need help on the (b.) part pls thanks

Answers

Answer:

Column 1 choose option 1 (x,y) --> (3/2x,3/2y)

Column 2 choose option 2 (x,y) --> (3/2x,3/2y)

Step-by-step explanation:

Focus on just Point S to go from (6,2) to (9,3) you would multiply 6*3/2 and 2*3/2. So, the scale factor is 3/2.

Answer:Column 1: 1 (x,y) --> (3/2x,3/2y)

Column 2: 2 (x,y) --> (3/2x,3/2y)

pls help me on this question its giving me stress lol..!

Answers

Answer: it is B as it is adding the same amount each time.

Step-by-step explanation:

A gardening company can mow 6 lawns in 3 hours.

How many lawns can be mowed in 4 hours?

Responses

A-6 lawns

B-9 lawns

C-8 lawns

D-10 lawns

Answers

8 at two lawns per hour

6 divided by 3 is 2 so 2 lawns per hour. 4 hours times 2 per hour is 8 lawns.

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The necklace charm shown has two parts, each shaped like a trapezoid with identical dimensions. What is the total area, in square millimeters, of the charm? Enter your answer in the box.

Answers

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The necklace charm shown has two parts, each shaped like a trapezoid with identical dimensions.
What is the total area, in square millimeters, of the charm?
Enter your answer in the box.