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NemiM [27]
3 years ago
7

Find the value for the following determinant. A. -2 B. 2 C. 10

Mathematics
2 answers:
dangina [55]3 years ago
8 0
The answer is C. Just like he said
Ksivusya [100]3 years ago
6 0
To work this out you would do
(1×4)-(-2×3)
=4-(-6)
=10
The answer is C.
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2x + y - z = -8
lina2011 [118]

Answer:

none of the above

Step-by-step explanation:

im a math expert and none ofe the above makes a11 is to 1

7 0
2 years ago
A ball is thrown into the air and its position is given by h ( t ) = − 6.3 t 2 + 53 t + 24 where h is the height of the ball in
nordsb [41]

Answer:

h'(t) = -12.6 t +53

Now we can set up the derivate equal to 0 and we have:

-12.6 t +53 = 0

And solving for t we got:

t = \frac{53}{12.6}= 4.206

For the second derivate respect the time we got:

h''(t) = -12.6

So then we can conclude that t = 4.206 is a maximum for the function.

And the corresponding height would be:

h(t=4.206) = -6.3(4.206)^2 +53*4.206+24= 135.468 ft

So the maximum occurs at t = 4.206 s and with a height of 135.468 m

Step-by-step explanation:

For this case we have the following function:

h(t) = -6.3t^2 +53 t+24

In order to maximize this function we need to take the first derivate respect the time and we have:

h'(t) = -12.6 t +53

Now we can set up the derivate equal to 0 and we have:

-12.6 t +53 = 0

And solving for t we got:

t = \frac{53}{12.6}= 4.206

For the second derivate respect the time we got:

h''(t) = -12.6

So then we can conclude that t = 4.206 is a maximum for the function.

And the corresponding height would be:

h(t=4.206) = -6.3(4.206)^2 +53*4.206+24= 135.468 ft

So the maximum occurs at t = 4.206 s and with a height of 135.468 m

8 0
3 years ago
Rearrange the formula to make t the subject:<br> S=d/t
Virty [35]

Answer:

t = d/S

Step-by-step explanation:

S = d/t

Cross multiply

S x t = d

Divide both sides by S

S/S x t = d/S

t = d/S

4 0
3 years ago
Write an algebraic expression with the variable x that has a value of 3 when evaluated
kari74 [83]
X=23

(x+5) - 25 = 3?

If this is what you mean.
7 0
3 years ago
I can't quite remember how to approach this one, I have three others, but I think I could solve them if someone helped walked me
Nimfa-mama [501]
Https://us-static.z-dn.net/files/d8d/e008ced388704d59896d3bf37158f465.jpeg

3 0
3 years ago
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