3 years ago

Prove que (a-b) x (a + b) = 2 (axb)

Mathematics

1 answer:

sergejj [24]3 years ago

6 0

The answer is twentysix

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Solve for x i will give brainlest

liq [111]

Answer:

$\displaystyle x = 3.97$

Step-by-step explanation:

we are given a exponential equation

$\displaystyle {3}^{x} = 78$

we want to figure out x

remember that,

$\displaystyle \log_{a}( {a}^{c} ) = c$

thus

take $\log_3$ both sides:

$\displaystyle \log_{3}( {3}^{x} ) = \log_{3}(78)$

use the formula:

$\displaystyle x = \log_{3}(78)$

by using calculator

$\displaystyle x = 3.97$

7 0

3 years ago

I honestly don't know how to complete this problem. Please help may you include the steps also.

Arisa [49]

Answer is B............

5 0

3 years ago

-2x+6=-6 what is the answer to this promblem

leva [86]

Answer:

Step-by-step explanation:

-2x + 6 = -6

-2x = -12

x = 6

5 0

3 years ago

Read 2 more answers

What is the value of ?<br> 18 - (2 x ? ) = ? x 4

Dmitry_Shevchenko [17]

Answer:

?= 3

Step-by-step explanation:

let x = ？

18-2x=4x

6x=18x

x=3

6 0

3 years ago

Read 2 more answers

If 8 cents are needed to buy 10 pebbles, how many dollars are needed to buy 205 pebbles?

stira [4]

Answer:

Hello There!!

Step-by-step explanation:

If 8 cents=10 pebbles then do 205 divided by 10 which is 20.5 . So, 8×20.5=164 dollars.

(8×20.5=164) 8 cents=10 (10×20.5=205)

164 dollars=205

Therefore,the answer is 164 dollars.

hope this helps,have a great day!!

~Pinky~

7 0

3 years ago