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Zinaida [17]
3 years ago
15

Please hellllllll meee

Mathematics
2 answers:
omeli [17]3 years ago
8 0

Answer:

A

Step-by-step explanation:

{( - 4)}^{2}   \neq \:  - 16

babunello [35]3 years ago
6 0
Why do you have school ... and I feel your pain buds
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The rise and span for a roof are shown. The pitch of a roof is the ratio of the rise to the half-span. If the rise is 8 feet and
Effectus [21]
<span>Half-span is half of span. Pitch of the roof is calculated as rise/(span/2). In this case, rise is 8 feet and span is 30 feet. So, the pitch can be calculated as 8/(30/2) or 8/15. Pitch is normally represented as the number of inches of rise per foot. So, to reduce 8/15 to match a foot, we multiply it by 12. So, (8/15) * 12 gives us 6.4 inches of rise per foot.</span>
3 0
3 years ago
Read 2 more answers
How many terms does the polynomial have? a 2 + b - cd 3 2 3 4
vaieri [72.5K]

ANSWER

3

EXPLANATION

The given polynomial is

{a}^{2}  + b - cd

The terms of the polynomial are:

First term:

{a}^{2}

Second term:

b

Third term:

- cd

Therefore the given polynomial has 3 terms.

7 0
3 years ago
If the probability of an event is StartFraction 2 over 7 EndFraction, what must be the probability of its complement?
QveST [7]

Answer:

5/7

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
The days maturity for a sample of 5 money market funds areshown here. The dollar amounts invested in the funds areprovided. Use
insens350 [35]

Answer:

\bar X= \frac{20*20 +12*30 +7*10 +5*15 +6*10}{20+30+10+15+10}

\bar X = \frac{965}{85}= 11.353

Step-by-step explanation:

For this case we have the following data:

Days to Maturity       Dollar Value $ Millions)

    20                                     20

    12                                      30

    7                                        10

    5                                        15

    6                                        10

For this case the definition of weigthed mean is given by:

\bar X = \frac{\sum_{i=1}^n w_i x_i}{\sum_{i=1}^n w_i}

Where w_i , i=1,...,n represent the weight of each value and x_i , i=1,...,n represent the observations (Days to maturity)

Our interest is the number of days so then our weighting variable would be the dollar Value, so then we can find the weighted mean like this:

\bar X= \frac{20*20 +12*30 +7*10 +5*15 +6*10}{20+30+10+15+10}

\bar X = \frac{965}{85}= 11.353

8 0
3 years ago
Determine if x-3 is a factor of f(x)=x^3-x^2-5x-3
soldier1979 [14.2K]

Answer:

(x - 3) is a factor of the given function

Step-by-step explanation:

Given function:

\implies f\:\!\:(x)=x^3-x^2-5x-3

If (x - 3) is a factor of the given function then f\:\!\:(3) = 0

Substitute x = 3 into the function and solve:

\implies f\:\!\:(3)=(3)^3-(3)^2-5(3)-3

\implies f\:\!\:(3)=27-9-15-3

\implies f\:\!\:(3)=0

Therefore, as  f\:\!\:(3) = 0 then (x - 3) is a factor of the given function.

7 0
2 years ago
Read 2 more answers
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