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AVprozaik [17]
3 years ago
14

Escreva na forma ax2+bx+c=0 as seguintes equações do 2° grau

Mathematics
1 answer:
7nadin3 [17]3 years ago
3 0
The answer is 2x(5+3)
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If (a^x a ^y) - a^z = a^m then express m in terms of x, y and z.​
omeli [17]

Answer:

m = x+y-z

Step-by-step explanation:

Given the expression.

(a^x a ^y) ÷ a^z = a^m

We are to express m in terms of x, y and z.

Using the multiplicative law of indices, the expression becomes:

a^{x+y} ÷ a^z = a^m

Applying the division rule in indices

a^{x+y} ÷ a^z = a^{x+y-z}

The equation becomes

a^{x+y-z} = a^m

Cancel out the base and equate the powers as shown:

x+y-z = m

Hence the expression of m in terms of x, y and z is m = x+y-z

8 0
3 years ago
each different letter of the word experiment is written in a card and placed in a hat. One card is drawn from the hat. How many
serg [7]
There would be 8 possible outcomes. e x p r i m n t.
6 0
3 years ago
-0.2×-5/7<br><br>please can i have some help
Ksivusya [100]

Answer:

+1/7

Step-by-step explanation:

One approach to evaluating this would be to rewrite it as:

-2        -5  

------ * --------- .  

 10          7   This reduces to:

 2

--------- = +1/7

 2(7)

8 0
4 years ago
In a movie theater, there are children and adults in the ratio 4:7. If there are 21 adults, how many people total are there in t
lozanna [386]

Answer:

33

Step-by-step explanation:

7x3=21

4x3=12

21+12=33

8 0
3 years ago
What is the solution to -2(4x + 8) 4(2 - x)?​
Gnesinka [82]

Answer:b

6

Step-by-step explanation:

jhgi6yh ihhitn rjiktr foi6tjrkgf

7 0
3 years ago
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