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scoundrel [369]
2 years ago
8

Can someone explain how 8.75 multiplied by 0.8 is 7??? It just don't make sense... I don't see why the number got smaller instea

d of bigger.....
Mathematics
2 answers:
vovangra [49]2 years ago
5 0

Answer:

It's because of the decimal of .8

Step-by-step explanation:

It can be confusing but since its not a whole number when you multiply with a whole number gets smaller instead of bigger. So the whole number basically has to give some of it to the decimal so, that the outcome can be a whole number.

Sorry, if this isn't the best!

yarga [219]2 years ago
3 0

Answer:

80% of 8.75=7. I'm pretty sure this is the reason.

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Given the vector (4|3) and the transformation matrix (0|1|-1|0), which vector is the imagine after applying the transformation t
horrorfan [7]

Answer:

C.(3|-4)

Step-by-step explanation:

Given the vector:

\left[\begin{array}{ccc}4\\3\end{array}\right]

The transformation Matrix is:

\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]

The image of the vector after applying the transformation will be:

\left[\begin{array}{ccc}0&1\\-1&0\end{array}\right]\left[\begin{array}{ccc}4\\3\end{array}\right]\\\\=\left[\begin{array}{ccc}0*4+1*3\\-1*4+0*3\end{array}\right]\\\\=\left[\begin{array}{ccc}3\\-4\end{array}\right]

The correct option is C

7 0
3 years ago
Evaluate the function at the given value and simplify.
Licemer1 [7]

Answer:

The correct option is b.

Step-by-step explanation:

The given function is

f(x)=-5x+1

We need to find the value of f(-2). It means we have to find the value of given function at x=-2.

Substitute x=-2 in the given function to find the value of f(-2).

f(-2)=-5(-2)+1

On simplification we get

f(-2)=10+1

f(-2)=11

The value of f(-2) is 11. Therefore the correct option is b.

8 0
3 years ago
Roberta is lining up nine different coloured blocks. There are five green blocks, two white blocks and two orange blocks. In how
Amanda [17]
If the blocks were 9 different colors, then there would be

     9 !(factorial) = 362,880 different ways to line them up.

But for each different line-up, there are 5! =120 ways to arrange
the green blocks and you can't tell these apart, 2!= 2 ways to arrange
the white blocks and you can't tell these apart, and 2!=2 ways to arrange
the orange blocks and you can't tell these apart.

So the number of distinct, recognizable ways to arrange all 9 blocks
is

         (9!) / (5! · 2! · 2!)  =  (362,880) / (120 · 2 · 2)  =  756 ways.
6 0
3 years ago
Find the average rate of change for the function over the given interval.
jekas [21]

Answer:

The average rate of change for the function over the given integral

A(x) = \frac{e^{-2} -1}{2}

Step-by-step explanation:

Explanation

<u>Average rate of a functio</u>n:-

<u>We can define the average rate of change of a function from a to b</u>

<u></u>

A(x) = \frac{f(b)-f(a)}{b-a}

Given function f(x) = eˣ

Given interval      x = a = -2   and y = b = 0

f(a) = f(-2) = e⁻²

f(b) = f(0) = e⁰

A(x) = \frac{e^{-2} -1}{0-(-2)}

The average rate of change for the function over the given integral



6 0
3 years ago
Bob's monthly net income is $3,000. Bob pays $950 for rent, $250 for all
inysia [295]

Answer:

A: Negative cash flow, $50

Step-by-step explanation:

Bob makes $3000 a month.

Every month he has to pay $950:

3000 - 950 = 2050

Pay an additional $250:

2050 - 250 = 1800

And another additional $1850:

1800 - 1850 = -50

Therefore, he has a negative cash flow of $50 a month.

7 0
3 years ago
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