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monitta
3 years ago
13

Can 7, 9, 11 form a right triangle

Mathematics
1 answer:
n200080 [17]3 years ago
5 0

Answer:

No it will not form a right triangle it will form a SSS triangle

Step-by-step explanation:

The sum of the lengths of any two sides of a triangle must be greater than the length of the third side but if you used 7 9 and 11 it would give you a SSS triangle.

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Can someone round this to the nearest tenth
Dominik [7]

Answer:

I think its A

Step-by-step explanation:

I did the math and thats what i got even rounded up

6 0
3 years ago
The graph of a trigonometric function oscillates between y=1 and y=-7. It reaches its
madam [21]

Answer:

y = 4 sin(½ x) − 3

Step-by-step explanation:

The function is either sine or cosine:

y = A sin(2π/T x) + C

y = A cos(2π/T x) + C

where A is the amplitude, T is the period, and C is the midline.

The midline is the average of the min and max:

C = (1 + -7) / 2

C = -3

The amplitude is half the difference between the min and max:

A = (1 − -7) / 2

A = 4

The maximum is at x = π, and the minimum is at x = 3π.  The difference, 2π, is half the period.  So T = 4π.

Plugging in, the options are:

y = 4 sin(½ x) − 3

y = 4 cos(½ x) − 3

Since the maximum is at x = π, this must be a sine wave.

y = 4 sin(½ x) − 3

4 0
3 years ago
URGENT!: Which property justifies this statement? 
MariettaO [177]
The answer to that question is
C. transitive
6 0
3 years ago
Two-Variable Statistics:Question 2
butalik [34]
I think it is your second option 5
8 0
3 years ago
an archaeologist in turkey discovers a spear head that contains 80% of its original amount of C-14. Find the age of the spear he
Genrish500 [490]

Answer:

The age of the spear head to the nearest year is 1845 years

Step-by-step explanation:

We know that

half life time of C-14 is 5730 years

so, h=5730

we can use formula

P(t)=P_0(\frac{1}{2})^{\frac{t}{h} }

now, we can plug value

P(t)=P_0(\frac{1}{2})^{\frac{t}{5730} }

an archaeologist in turkey discovers a spear head that contains 80% of its original amount of C-14

so,

P(t)=0.80P_0

we can plug it

0.80P_0=P_0(\frac{1}{2})^{\frac{t}{5730} }

now, we can solve for t

0.80=(\frac{1}{2})^{\frac{t}{5730} }

\ln \left(0.8\right)=\ln \left(\left(\frac{1}{2}\right)^{\frac{t}{5730}}\right)

t=-\frac{5730\ln \left(0.8\right)}{\ln \left(2\right)}

t=1844.647

So,

The age of the spear head to the nearest year is 1845 years

7 0
3 years ago
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