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musickatia [10]
3 years ago
13

Evaluate Sin^-1 sqrt2/2

Mathematics
1 answer:
AnnZ [28]3 years ago
4 0

Step-by-step explanation:

Let x = arcsin(√2/2).

We have sinx = √2/2, which is a basic trignometry identity. (sin45° = √2/2)

Since the range of arcsinx is [-90°, 90°] and 45° is within the range, the answer is 45° or π/4.

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A father gave his son 5/7 of his monthly allowance keeping the rest for a previous debt. The son spent 5/7 of what his father ga
lesya [120]

M = Monthly Allowance.

N = 5/7 of M (Monthly Allowance)

5/7 of 5/7 of M = 9.60

5/7 * 5/7 * M = 9.60

Rearrange the formula to find M

M = 9.60 / (5/7) / (5/7) = 18.816

<h2>Monthly Allowance = $18.816</h2>
4 0
3 years ago
When ms Thelma turned one her oven ,the temperateure inside was 70 degress. The temputure began to rised at a rate of 40 per min
Ronch [10]

Answer:

7 minutes

Step-by-step explanation:

First, subtract 70 from 350.

350-70=280

Now, divide 280 by 40

280/40=7

It took Ms. Thelmas oven to heat up from 70 degrees to 350 degrees in 7 minutes.

3 0
3 years ago
Any number that is divisible by 3 is also divisible by 6. Find a counterexample to show that the conjecture is false
kari74 [83]
For example 9.............
3 0
3 years ago
Find the value of C.
Elan Coil [88]

Answer:

C

Step-by-step explanation:

We already know that a right angle is 90° and where C is in the picture shows us an obtuse angle making it beleive that it must be above 90°, which leaves us with C as our final answer and is the only answer that makes sense to be correct. Hopefully this helped you.

5 0
3 years ago
I don’t understand how to solve this
Bezzdna [24]

Answer:

42.1

Step-by-step explanation:

The height of the main triangle is,

h = 47√3/2 (since it's an 30-60-90 triangle)

so to find x,

tan(44) = h/x

x = h/tan(44)

x = 42.1 (rounded to the nearest tenth)

Answered by GAUTHMATH

8 0
3 years ago
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