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Hunter-Best [27]
3 years ago
13

Add. −0.9+2.0 Enter your answer, as a decimal, in the box.

Mathematics
1 answer:
Sveta_85 [38]3 years ago
6 0

Answer:

19.1

Step-by-step explanation:

-0.9+20 = 19.1

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Step-by-step explanation:

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Hi so could anyone please tell me how to solve this I’ve tried looking through my notes but I can’t find a question similar to t
neonofarm [45]

Answer:

    no solution

Step-by-step explanation:

There are no values of x that make the equation true.

6 0
3 years ago
I need some help on this math problem, thanks so much
bekas [8.4K]

Answer:

The answer is C.

Step-by-step explanation:

Hit 'em with the Law of Sines.

sin(A)/a = sin(B)/b.

Let's say x is equal to "A", thus 5 is "a".

sin(x)/5 = sin(B)/b.

We could go for the obvious choice for "B", which would be the 90 degrees shown. To solve for the hypotenuse which will be "b", let's use the Pythagorean Theorem:

a^2 + b^2 = c^2

5^2 + 20^2 = c^2

25 + 400 = 425

sqrt(425) = about 20.6, which we can now substitute "b" with.

sin(x)/5 = sin(90)/20.6

sin(x)/5 = 1/20.6

sin(x)/5 = 0.04854...

sin(x) = 0.2427...

You can plug in sin^-1(0.2427) into your calculator, and you should end up with something like 14.047... which equates to answer choice C.

6 0
3 years ago
I need help with this last problem please
igomit [66]

Answer:

25

Step-by-step explanation:

12+13=25 so 25x5=125 and 125 divide 5=25

5 0
3 years ago
Read 2 more answers
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