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zvonat [6]
3 years ago
15

-11k-9(9+k)=-11(1+5k) solve the equation

Mathematics
2 answers:
Lubov Fominskaja [6]3 years ago
8 0
Multiply by the number outside the parenthesis.

-11k - 9(9+k) = -11(1+5k)
-11k - 81 - 9k = -11 - 55k

combine like terms

-11k - 9k + 55k = 81 - 11
35k = 70
k = 70/35
k = 2
NeTakaya3 years ago
7 0
The answer to your equation is k=2
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babunello [35]
There are 42 males and 70 females
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3 years ago
The students in Todd's grade voted to select a guest speaker. 24 students voted for a famous athlete. The other 8 students in To
Colt1911 [192]

Answer:

75% of students voted for the athlete

Step-by-step explanation:

total number of students 24+8 = 32

24 out of 32 students chose the athlete

24/32 simplified = 3/4

3/4 = 75%

8 0
3 years ago
Find the volume of a pyramid with a square base, where the side length of the base is 4.8\text{ cm}4.8 cm and the height of the
vekshin1

Answer: 35.328 cubic inches.

Step-by-step explanation:

Volume of square pyramid = \dfrac{a^2}{3}h , where a = length of base , h = height

Given: For a square pyramid

a= 4.8 cm and h = 4.6

Then, Volume = \dfrac{4.8^2}{3}\times4.6

=\dfrac{23.04}{3}\times4.6\\\\=35.328\text{ cubic cm}

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8 0
3 years ago
Help pls! 37 points.
Mademuasel [1]

Answer:

<u>7 squares</u>

Step-by-step explanation:

<u>Key skills: Counting, Averages</u>

1) Based on what I counted, there are 11 columns, and 53 squares. If you want an average of 5 squares per column and you have 12 columns, the total number of squares you want is 60.

2) Since there are already 53 squares present, you need 60-53 = <u>7 squares</u> more.

<em>Hope you understood and have a nice day!!</em>

5 0
3 years ago
Read 2 more answers
Jason is building a 1 : 180 scale model of a real castle. his model has a rectangular base that is 3 feet wide and 4 feet long.w
balu736 [363]
The area of the actual castle would be 388,800 sq. ft.

We would multiply each of the sides of the scale model both by 180 to find the side lengths of the actual castle.

So...
180 x 4 = 720
180 x 3 = 540

If Area is equal to Length Times Width, all thats left to do is to multiply the two sides together.

720 x 540 = 388,800

Hope this helped! :D
3 0
3 years ago
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