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Brrunno [24]
3 years ago
12

Solve the quadratic inequality 4x^2-25<0

Mathematics
1 answer:
lyudmila [28]3 years ago
8 0

I hope it helps you ❤️❤️❤️❤️

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How to answer this problem
ruslelena [56]

Answer:

m<C = 12.0 °

Step-by-step explanation:

Since we know that this is a non-right triangle, we must use either the law of sines or law of cosines to find m<C.  

The information we now have only allows us to use the law of sines, which focuses on proportions:

\frac{SinA}{a}=\frac{SinB}{b}=\frac{SinC}{c}

Thus, we can use:

\frac{sin(98)}{19}=\frac{sinC}{4}\\ 4*sin(98)=19*sinC\\ \frac{4*sin(98)}{19}=sinC\\ sin^-1\frac{4*sin98}{19}=12.033=12.0

The sin^-1 represents the sin inverse, which you must use to find angle measures.

6 0
2 years ago
A triangle has two sides of length 13 and 9. What is the smallest possible whole-number length for the third side
strojnjashka [21]

Answer:

14 MUST CHECK TO SEE IF IM CORRECT

Step-by-step explanation:

a+b>c

the two smallest numbers added together must be greater than the greatest number

ex: the triangle has three sides; 2,3,4 it could form a triangle because 2+3>4

SO HERE:

THE NUMBER MUST BE GREATER THAN 13 ADN THE SMALLEST WHOLE NUMBER GREATER THAN 13 IS 14

7 0
3 years ago
I need number 22 answered
pochemuha

Answer:

y = -7.5 I believe

Step-by-step explanation:


6 0
3 years ago
CAN SOMEONE PLEASE HELP ME
Dvinal [7]
The answer is D hope this helped
6 0
3 years ago
How many milliliters are in 12 teaspoons? 1tsp=5ml
dusya [7]

Answer:

There are 59.147 millimeters in 12 teaspoons!

Step-by-step explanation:

7 0
3 years ago
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