Mathematics Middle School

A rectangular package to be sent by a postal service can have a maximum combined length and girth (perimeter of a cross section) of 66 inches (see figure). Find the dimensions of the package of maximum volume that can be sent. (Assume the cross section is square.)

Answers

Answer 1

Answer:21

Step-by-step explanation: Im gold I

Related Questions

Simplify the algebraic expression: (Combine like terms)

25 + 3x + 16y - 15 + x - 10y

Answers

10+4x+6y because 25-15 3+1 and 16-10

I had the answer but someone’s already answered it smh

4. The figure shows a rectangle with a width of 6k inches. The length of the rectangle is 4 inches shorter than the width.
a.) Find the length of the rectangle in terms of k.
b.) What is the perimeter of the rectangle in terms of k?
c.) If k = 6, find the perimeter of the rectangle.

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Answer:

Step-by-step explanation:

sorry if its not correct but i hope it helps

Answer:

c is the correct answer

Step-by-step explanation:

hellllllllllllllllllllllllllllllllllllllllpppppppppppppppppppp

Answers

Answer:

A) 52

Step-by-step explanation:

Each answer, when you divide, all equal to 52

I think that its equal to 52 in a

sat prep find y in equilateral triangle ABC.
a. 90 b. 70 c. 60 d. 40

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Answer:

the ans

Step-by-step explanation:

(-7, 15), (-15, 1) Find the slope
pls help with work

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The answer is 7/4 I added my work there sorry if it’s kinda messy

The answer is 7/4 for your question!

Faces A and C are squares.
A prism is made up of 4 rectangles and 2 squares.

What is the best name of the solid that can be formed by this net?
cube
cylinder
rhombic prism
square prism

PLEASE HURRRYYYYYY

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Answer

Square prism

It has 2 squares and 4 rectangles

i think it’s square prism, i’m sorry if i’m incorrect

Brainly plz help only three questions and don't answer for point kinda rude

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I’ve attached my work
Anything in blue is for 8 and yellow is 10
Hope it helps!

A cylinder has a volume of 72 cubic inches. What is the volume of a cone with the same height and radius as the cylinder? explain (I don't have a picture of a cylinder sorry)

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Explanation:

Formula: Volume = Length × Width × Height

At 10:00 a.m. the temperature is –3.4°F. The temperature increases 0.5°F each hour for the next 6 hours. If the temperature drops a total of 5.3°F over the following 3 hours, what is the temperature at 7:00 p.m.?

please give an explanation too!

Answers

Answer:

-16.3

Step-by-step explanation:

First multiply 0.5 by 6 since the six hours and every hour is 0.5 degrees less or you can add 0.5 six times. You then take the answer which would be 3 and add 3 to -3.4 resulting in -0.4. Afterwards you would take -0.4 and subtract 5.3 degrees three times. This gives you -16.3 degrees. You would be at 7:00 PM because 10:00 a.m. plus six hours would be 4 o'clock and the next 3 hours would add on to 7.

The midpoint between y and k is d. What is y?

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Y is the left point

The problem is about the percent of students who prefer certain kinds of music. The math information given is 40% like hip hop, 5% like Baby Shark, and 100 students prefer hip hop music. I wonder how many 6th grade students there are at the school?

Answers

Answer:

250

Step-by-step explanation:

if 40% of the students are in the 100 then that means each student is 2.5%.

im not exactly sure what the question was but i think this is the answer

WILL GIVE BRAINLIEST
A line passes through the points (5,21) and (8,24) Write a linear function rule in terms of x and y for this line.
The linear function rule is y=?

Answers

Step-by-step explanation:

have you tried to use a calculator

24- 21

8- 5

They say that smoking can reduce your life expectancy by 20%. If the life expectancy for a non-smoker is 90 years old, what is the life expectancy for a smoker?

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The Life Expectancy for a smoker Is 40 years.

The answer is more than likely 72.

plsss help ASAP thxs

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Answer:

A 37

Step-by-step explanation:

A.) 37 square feet
do the area of the triangle, then the area of the rectangle, then add the 2

ASAP
Elsa has scored 16, 29, and 21 points and her three games so far how many points does she need to score in her next game so that her average (mean) is 22 points per game.

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Answer:

Step-by-step explanation:

her average is already 22 so she needs to score 22 points for it to stay the same

(xy + 1) ÷ 7 if x=5 and y=11

please help (︶^︶)

Answers

(5x11 +1) divided by 7
(55+1) divided by 7
56 divided by 7
=8

Answer: it should be 8.

Step-by-step explanation:

Step 1. Factor in the given variables.

(xy + 1) ÷ 7 becomes ((5)(11) + 1) ÷ 7

Step 2. Do the first part in parentheses

so (5) x (11) which is 55.

Step 3. Add together the full parentheses

so 55 + 1 which is 56

Final step, divide.

56 divided by 7 equals 8.

SUPER HARD!!!

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Odds only!

Answers

Answer:

For #1, the equation would be (21 - 3) ÷ 4.75 ≈ 4. For #3, the equation would be (900 + 10) ÷ 5 = 182. For #5, the equation is (22 x 2) - 5 = 39.

Step-by-step explanation:

im cool but srsly pls double check this

Answer:

for 1 the equation would be (21 - 3) ÷ 4.75 = 4

Step-by-step explanation:

PLEASE help, i need this for assignment that due TODAY

Answers

Answer:

All

Step-by-step explanation:

-3x is the same as x times -3, so all the equation is true for all values of x.

the only answer it can really be is “all”

Rita goes to the mall. If x is the number of items she bought, the expression 12.88x+28 gives the amount she spent in dollars at one store. Then she spent 21 dollars at another store. Find the expression which represents the amount Rita spent at the mall. Then estimate how much Rita spent if she bought 2 items . PLZZ HELPP I NEED TO TURN IT IN BY TOMORROW!!!!!

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expression:
12.88x+49

estimation:
74.76

i hope this helps!!

Answer:

74.76

Step-by-step explanation:

Help I haven't seen this before in the picture

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Here is the set up:

Width = (1/3)(Length)

(2y + 6) = (1/3)(y - 4)

Take it from here.

Answer:

lenght times width

Find the volume of each pyramid. Round to the nearest tenth if necessary.

triangular pyramid: base area 115 , height 10.1 ft
a
580.8 ft3
b
41.7 ft3
c
387.2 ft3
d
1161.5 ft3

Answers

Answer:

c is answer

Step-by-step explanation:

7th grade math pls help

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22 x 13 is 286 and 11 x r is 11r leaving you with 286=11r and then you have to divide each side by 11 and you get r = 26

Answer:

R = 26

Step-by-step explanation:

If 22/11 is equal to 2, and r/13, that means that r/13 is equal to 2. What over 13 is equal to 2? 26

At a local print shop, 14 copies can be made for $4. At this rate, how much would it cost to make 63 copies?

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it would cost 18$ ! hope this helps :)

18 , because you would count by 14 but when you get to 56 your gonna have to do halve then add 7 that equals 63 then your gonna have to could by 4’s 4,8,12,16 so then halve of 4 is 2 so 18

help i'm doing missing assignments and this is a lil tricky.

Answers

Answer: 25.12 ft

To find the circumference of a circle, multiply the diameter with π (pi)

Formula: 2πr (2 × radius) (π = 3.14)

In the problem...

-----------------------------------------------------------------------------------------------------------------

We can multiply 3.14 by 8 to get the circumference.

3.14 × 8 = 25.12

Hence, 25.12 is the answer, but we can do it another way.

Let me know if you have any questions.

~ Lily, from Brainly.

Note to asker: Hi there, make sure to write down these formulas!

Circumference: 2πr

Area: πr²

Radius: [tex]\frac{diameter}{2}[/tex]

Diameter: radius × 2

Have a good day!

I might just be the opposite of smart but this question made no sense to me.-

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I believe it’s C because if you look at exactly where the boxes end they both almost exactly end at 10 numbers past the first one

Answer:

I got ya

Step-by-step explanation:

k so I know it is not C or D tho I think it is A

Hope this helps if so please brainliest

does anyone know the correct one cuz i got it wrong

Answers

i’m pretty sure it’s D

The answer is D

Explanation:

If x = 9 units and h = 5 units, then what is the area of the triangle shown?

A.
12.5 square units
B.
45 square units
C.
67.5 square units
D.
22.5 square units

Answers

Answer:

The answer is D, 22.5 sq. Units

Step-by-step explanation: This is because to get the area of a triangle you multiply b x h and then divide by two. So 9 times 5 = 45. Then you divide by two and 45 ÷ 2 = 22.5

Hope this helps.

D. just substitute 5 as a and 9 as b which gets 45 then divide it by 2 equals 22.5

PLZ HELP WILL GIVE BRAINLIST IF UR CORRECT!!!!!!

Answers

Answer:

I think it is multiply by and for 72 copies (If 18 copies cost 3 dollars) it will be 12 dollars

Step-by-step explanation:

Answer:

multiply by

Step-by-step explanation:

does anyone know this?

( 11 + 4) ÷ 3 × √64

Answers

Answer:

oh i used an algebra helper and got that answer i had, but i searched on googIe after that and got 40

Answer:

Step-by-step explanation:

Following the order of operations you need to do the parenthases first and 11+4 is 15. Then you divide that by 3 which is 5. Then you are going to need to multiply 5 × √64 which the square root of 64 is 8 so you multiply 5 × 8 which is 40.

The rectangular pyramid shown has a volume of 1,560 cubic inches. What is the height of the pyramid? Explain how you found your answer

Answers

Answer:

Step-by-step explanation:

The volume formula is length x width x height ÷ 3. Triple the volume of a pyramid and then divide that amount by the area of the base to calculate its height. For this example, the volume of the pyramid is 200 and the area of its base is 30.

Answer:

Step-by-ya mamastep explanation:

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