MATHEMATICS MIDDLE SCHOOL

What is the perimeter, P, of a rectangle that has a length of x + 8 and a width of y − 1? P = 2x + 2y + 18

P = 2x + 2y + 14

P = x + y − 9

P = x + y + 7

Answers

Answer 1
Answer:

Answer:

P = 2x + 2y + 14

Step-by-step explanation:

Length (L) = x + 8 units

Width (W) = y - 1 units

Perimeter (P) = 2L + 2W

P = 2(x + 8) + 2(y - 1)

P = 2x + 16 + 2y - 2

P = 2x + 2y + 16 - 2

P = 2x +2y + 14

Answer 2
Answer:

Answer:

P = 2x + 2y + 14

Step-by-step explanation:


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Describe the number 43 in two ways

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Forty-two and 42. word form and standard form.


43 is an odd number

43 is a real number


HIGH SCHOOL

An architect’s blueprint for a new house shows the kitchen being 7 inches wide. If the scale used to create the blueprint is 0.5 in. = 1 ft, what is the actual width of the kitchen?

Answers

shrinking ratio is 1/2 thus actual size would be 7*2=14 feet
7in * 1ft/0.5in = 14ft
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In the centerville during the month of February the sun didn’t shine on 75% of the 28 days. How many days didn’t the sun shine?

Answers

Hello!

We must find out what 75% of 28 is, because that is the amount of days when the sun didn't shine.

To find what 75% of 28 is, we must multiply the two together:

28 × 75% (or 0.75) = 21

So, the sun didn't shine for 21 days.
Hey there
So you can find the answer by dividing 28/4 which will get you 7 so we now multiple 7 By three so that we can find what 3/4 of 28 is which equals 21 days so the sun didn't sine for 21 days.
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Need help to understand this question thank you :) Two angles are complementary. The first angle is 68 degrees and the second angle is _________degrees.

Answers

Complementary angles add up to equal 90 degrees. Knowing this, you can subtract 68 from 90. 90-68=22.

Hope this helps.
MIDDLE SCHOOL

A milkyway bar is 5 inches long. The bar will be split into two pieces. For each situation find the length in inches of the two pieces and write your answer as the ratio of the larger piece to the smaller piece. Show your work A) one piece is 1 inch longer than the other?


B) one piece is 60% of the bar

HELPPPPPPPP ASAP

Answers

Answer:

A)one is 3 inches and the other is 2 inches.2:5 and 3:5

B)It would be still b three and two because 3/5 of the chocolate bar is 60% and 2/5 is 40%.

Step-by-step explanation:

A) If the bar is 5 inches long and it is broken into two pieces with one that measures an inch longer then you would find that if broken in half it   would be 2.5, so if you take the other point 0.5 off of the other 2.5 and add it to the other half then it would have on piece that is an inch longer than the other piece.3+2=5

B)  5(0.6) =3



HIGH SCHOOL

Complete your solution of the equation. Find the Value For Y when X equals 5 .

x-5y=45

Answers

X-5y=45 when x=5

(5)-5y=45
5-5y=45
(subtract 5 from both sides) 
-5y=40
(divide each side by -5) 
y=-8 
Y is -8 :)


hope its right.
COLLEGE

If the sum of the even integers between 1 and k, inclusive, is equal to 2k, what is the value of k?

Answers

If is odd, then



while if is even, then the sum would be



The latter case is easier to solve:



which means .

In the odd case, instead of considering the above equation we can consider the partial sums. If is odd, then the sum of the even integers between 1 and would be



Now consider the partial sum up to the second-to-last term,



Subtracting this from the previous partial sum, we have



We're given that the sums must add to , which means




But taking the differences now yields



and there is only one for which ; namely, . However, the sum of the even integers between 1 and 5 is , whereas . So there are no solutions to this over the odd integers.
MIDDLE SCHOOL

Is 12 gallons greater than or less than 50 quarts

Answers

12 gallons is greater than
Less than 50, the correct answer is 48
MIDDLE SCHOOL

Wen Ti is on the outer edge of a carousel with a radius of 4.6ft. How far does she travel in one spin of the carousel in terms of π A. 9.2π
B. 5π
C. 21.16
D. 4.6π​

Answers

The answer is c 21.16 it is the only one that seams to match

Answer:

D

Step-by-step explanation:

I had the same question so I looked back at my notes and I'm decently sure this is correct...

First, you find the circumference which is: c=2*pie*r which gets you 28.9

Then, I set 28.9 equal to 2*pie*r and divided away the 2*pie, which got me 28.9/6.28 and when simplified got me 4.6 sooooo this could be right :))

hope i helped some

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