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weeeeeb [17]
3 years ago
10

What do the following two equations represent?

Mathematics
1 answer:
muminat3 years ago
6 0

Answer:

who knooowwwsssss???????

Step-by-step explanation:

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What value is a discontinuity of x squared plus 5 x plus 2, all over x squared plus 2 x minus 35?
iVinArrow [24]
The value of discontinuity is x= -7, x= 5
6 0
3 years ago
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Brass is made up of copper and zinc. 100 grams of brass contains 20 grams of zinc.
Nana76 [90]

Answer:

A.  12 grams Zn

B.  280 g of copper.

Step-by-step explanation:

100 grams of brass

20 grams of zinc

100 grams of brass has 20 grams of Zn.

20/100 = 0.200  Zn   <u>20% Zn  and 80% copper</u>.

A.  (60 g brass)*(0.2) = 12 grams Zn

B.  (350 g brass)*(0.80) = 280 g of copper.

5 0
2 years ago
In a small library , there are 5 nonfiction books for every 9 fiction books There are 130 a . How many fiction books are there ?
Mice21 [21]

Answer: 234

Step-by-step explanation:

If there are 130 nonfiction books, then there are 234 fiction books

6 0
3 years ago
Write a function to represent the set of ordered pairs.
77julia77 [94]

Answer:

Option C   f (x) = x^ 2 - 2

Step-by-step explanation:

Note that the relation describing the set of ordered pairs does not change at a costing rate

y_2 -y_1 = 7-2 = 5\\\\y_3 -y_2 = 14- 7 = 7\\\\y_4 - y_3 = 23- 14 = 9

Therefore the relationship is not linear.

However, the exchange rate y_n- y_{n-1} increases by a factor of 2 units when n increases 1 unit. This allows us to conclude that the relationship is quadratic

Note that the following ordered pairs belong to the function

y = x ^ 2

A = {(2, 4), (3, 9), (4, 16), (5, 25)}

The set of ordered pairs that we have is:

B = {(2, 2), (3, 7), (4, 16), (5, 23)}

Note that there is a similarity between both sets of ordered pairs.

In set B the values of y are always 2 units less than the values in y of the set A.

Then we deduce that since the function that models the set A is y = x ^ 2 then the function that contains the ordered pairs of the B set is:

y = x ^ 2 -2

The correct option is option C) f (x) = x^ 2 - 2

8 0
3 years ago
What are 3 different quotients that equal 4 to the negative 5th power
Ilia_Sergeevich [38]
4^-5=1/1024 or 2/2048 or 3/3072
8 0
3 years ago
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