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Oliga [24]
3 years ago
12

Find the product mentally. (z - 12)(z + 12)

Mathematics
1 answer:
bogdanovich [222]3 years ago
8 0
(a-b)(a+b) = a² - b²

(z-12)(z+12) = z² - 12² = z² - 144

Your final answer is z² - 144.
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Marina CMI [18]

Answer:

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Step-by-step explanation:

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5 0
2 years ago
I will give brainliest to the first person who answers.
nasty-shy [4]

Answer:

the answer is \sqrt{5\\} , and - \sqrt{5\\} which is C.

Step-by-step explanation:

well I got that answer by doing this

we have x^{2}= 5

For x^{2}= f (a) the solutions are x = \sqrt{f(a)\\} , - \sqrt{f(a)\\}

so in this case the solutions are \sqrt{5\\}, and - \sqrt{5\\}

HOPE THIS HELPS :)

3 0
3 years ago
Please answer!! I’ll mark Brainiest!! Anika is on the crew to set up rides for the state fair. The crew does most of the setup o
fiasKO [112]

Answer:

Step-by-step explanation:

Answer:

(a) We will form an equation of line from the points given (6,10) and (2,15)

Using:

On substituting the values in the formula above we will get the required equation of line.

On simplification we will get:

(b) We need to tell at day 0 put x=0 in above equation:

Anika worked for 70 hours on the set up crew on the day the fair arrived at the fairgrounds day 0.

Now, we need to tell decrease per day which is equal to the slope of line

To find the slope compare the equation with general equation which is y=mx+c where m is slope

Here, in

 which is the decrease per day.

7 0
3 years ago
True or false !!!<br><br> T or F
trapecia [35]
Tan x = opp/adj

For angle C, opp = 4, and 3 = adj, so

tan C = 4/3

Answer: False
6 0
2 years ago
Eight rolls of paper towels cost $4.80. At the same unit rate, how much will six rolls of paper towels cost?
julia-pushkina [17]

Answer:

$28.80

Step-by-step explanation:

4.80 x 6 = 28.8

Hope this helped!

3 0
2 years ago
Read 2 more answers
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