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jek_recluse [69]
3 years ago
12

9. A retaining wall on the playground is

Mathematics
1 answer:
soldi70 [24.7K]3 years ago
6 0
Dghfjgjghcjjfjfjgjgjcjxjxjf
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In a very survey of 60 student,60 study botany 50 study zoology and 48 studied biology.if 38 study all,how many study zoology al
BabaBlast [244]

Answer:

12 study zoology alone and 0 study none

6 0
3 years ago
Suppose you work for a large coffee distributor that has a secret coffee blend it sells to local stores. You mix the House blend
TiliK225 [7]

The ratio House blend/Organic Free Trade blend is the same and must remain the same.

So, the proportion is:

\frac{140}{168}=\frac{130}{x}

Where x is the unknown amount of the Organic Free Trade blend.

So, from the proportion, we have:

\begin{gathered} 140\cdot x=168\cdot130 \\ 140x=21840 \\ \frac{140x}{140}=\frac{21840}{140} \\ x=156 \end{gathered}

Answer: 156 pounds of Organic Free Trade blend

6 0
1 year ago
How is Pascal's triangle used in binomial theorem?.
Scorpion4ik [409]

To simplify the process of expanding a binomial of the type (a+b) n (a + b) n, use Pascal's triangle. The same numbered row in Pascal's triangle will match the power of n that the binomial is being raised to.

A triangular array of binomial coefficients known as Pascal's triangle can be found in algebra, combinatorics, and probability theory. Even though other mathematicians studied it centuries before him in India, Persia, China, Germany, and Italy, it is called after the French mathematician Blaise Pascal in a large portion of the Western world. Traditionally, the rows of Pascal's triangle are listed from row =0 at the top (the 0th row). Each row's entries are numbered starting at k=0 on the left and are often staggered in relation to the numbers in the next rows. The triangle could be created in the manner shown below: The top row of the table, row 0, contains one unique nonzero entry.

Learn more about triangle here

brainly.com/question/2773823

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7 0
1 year ago
SOMEONE PLEASE JUST ANSWER THIS FOR BRAINLIEST!!!
boyakko [2]

Answer:

y^2 + 8y + 16

Step-by-step explanation:

(6y^2 + 2y + 5) - (5y^2 - 6y - 11) =

The first set of parentheses is unnecessary, so it can just be removed.

= 6y^2 + 2y + 5 - (5y^2 - 6y - 11)

To remove the second set of parentheses, you must distribute the negative sign that is to its left. It changes every sign inside the parentheses.

= 6y^2 + 2y + 5 - 5y^2 + 6y + 11

Now you combine like terms.

= 6y^2 - 5y^2 + 2y + 6y + 5 + 11

= y^2 + 8y + 16

7 0
3 years ago
Which of the following will result in a rational number
Evgesh-ka [11]

Answer:

add a link by pressing the paperclip button

Step-by-step explanation:

8 0
3 years ago
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