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Andrej [43]
3 years ago
12

Multiply negative 1 over 3 multiplied by 1 over 4 . Which of the following is correct? (5 points)

Mathematics
1 answer:
seropon [69]3 years ago
4 0

-0.0833333333 Should be the answer

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HELP FAST PLEASE!!!!!
lidiya [134]

Alright, lets get started.

The answer Sandra got is correct that is zero but there are some mistakes she made while writing steps.

2 cot(\frac{-9\pi}{2})  =  2 cot(\frac{9\pi}{2}) Incorrect step

Because as per even/odd identity,

Cot (-Θ) = - cot (Θ)

Hence

2 cot (\frac{-9\pi}{2}) = - 2 cot (\frac{9\pi}{2})

Now,

It could be written as

-2 cot (\frac{9\pi}{2}) =   -2 cot (\frac{\pi}{2})


-2 * 0

0

Hence the answer is 0. : Answer

Hope it will help :)

3 0
3 years ago
Find the center and the radius of the circle. (x-2)^2+(y+3)^2=70
barxatty [35]

Answer:

the center is (2,-3)

the radius is √70

7 0
3 years ago
Find 3rd and 5th form by using nth term formula tn=a+(n-1)d when tn=a+(n-1)d when a=2 and d=3.​
lawyer [7]

Answer:

t3 = 8, t5 = 14

Step-by-step explanation:

t3 = 2 + (3-1) × 3

t3 = 2 + (2) × 3

t3 = 2 + 6

t3 = 8

t5 = 2 + (5-1) × 3

t5 = 2 + (4) × 3

t5 = 2 + 12

t5 = 14

8 0
3 years ago
I need help how many cubic feet of water will fill a rectangular pool that is 50feet wide, 75 feet long, and 8feet deep
tresset_1 [31]
The correct answer is b that’s the right choice
8 0
3 years ago
Read 2 more answers
Write each of these in scientific notation <br> 1) 0.00000402<br> 2) 1,900,000
Mkey [24]

Answer:

See below in bold.

Step-by-step explanation:

1. 0.00000402

= 4.02 * 10^-6  (Counting the digits after the decimal point until we get to the 4 gives us the -6).

2.  1,900,000

= 1.9 * 10^6    ( counting the number of digits after the 1 gives us 6).

3 0
2 years ago
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