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2 years ago

Which of the following cannot be used to express the number 8? eight more than zero +8 eight below zero positive eight

Mathematics

2 answers:

MrRa [10]2 years ago

7 0

Eight below zero would express the value -8, negative eight,

but not 8.

IceJOKER [234]2 years ago

5 0

Answer:

8 below zero

Step-by-step explanation:

8 below zero would be -8

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Find the difference of functions s and r shown below. r(x) = –x² + 3x s(x) = 2x + 1 (s – r)(x) =

arlik [135]

Answer:

$(s-r)(x)=x^2-x+1$

Step-by-step explanation:

So we subtract functions the same way we do numbers, ergo
$(s-r)(x)=s(x)-r(x)\\ (2x+1)-(-x^2+3x)\\2x+1+x^2-3x\\x^2+2x-3x+1\\(s-r)(x)=x^2-x+1$

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2 years ago

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In C = A + B, what is the value of the entry represented by C41?

ratelena [41]

Answer

C41 = 2

This very simple to do.

First locate the entry in A41 in matrix A. That is the entry in the intersection of the fourth row and first column of matrix A. This entry is 7.

Then multiply by the scalar which is 2 to get,

Next we locate the entry in B41 in matrix B also. Which is 4. We multiply by the scalar of -3 to get,

-3 x 4= -12

We now add these two corresponding entries to obtain,

14+-12= 2

5 0

2 years ago

How do I find this answer

aleksklad [387]

Answer:

i think its 35

Step-by-step explanation:

ab/bc = 7/3

this means ac = 10

ab/ac= 7/10

7/10= ab/50

50*7= 350

350/10= 35

6 0

2 years ago

The position of an object at time t is given by s(t) = 3 - 4t. Find the instantaneous velocity at t = 8 by finding the derivativ

zysi [14]

For this case, we have that the equation of the position is given by:
$s (t) = 3 - 4t
$
To find the velocity, we must derive the equation from the position.
We have then:
$s' (t) = - 4
$
Then, we evaluate the derivative for time t = 8.
We have then:
$s' (8) = - 4$
Answer:
the instantaneous velocity at t = 8 is:
$s' (8) = - 4$

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What property is =x+2-2

Alla [95]

You could find the property by using the skill Pemdas

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