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Digiron [165]
2 years ago
11

What values would make a ploynimal equal to zero if the factors are (x+3) and (x+12)

Mathematics
2 answers:
gizmo_the_mogwai [7]2 years ago
8 0
\bf (x+3)(x+12) =0
\\ \quad \\

\begin{cases}
(x+3)=\cfrac{0}{(x+12)}\to x+3=0\to &x=-3
\\ \quad \\
(x+12)=\cfrac{0}{(x+3)}\to x+12=0\to &x=-12
\end{cases}
Anna71 [15]2 years ago
7 0
The values 35 and 25 would make the answer to this 0
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5 0
2 years ago
A baseball collector took inventory of all of his baseball cards along with the value of each card. The box plot represents the
love history [14]

Answer: less than 25%

Step-by-step explanation:

The box plot can be read as follows:

The first black dot is the minimum value.

The first half of the rectangle is the lower quartile.

The line that separates the two rectangles is the median.

The second half of the rectangle is the upper quartile

The final point is the maximum.

Knowing that each quartile represents about the 25% of the elements for the set, we can see that both lower and upper quartile (and the 25% of the elements that come after the upper quartile) cost more than $45.

Then we know that at least the (25% + 25% + 25%) = 75% of the cards in the collection cost more than $45.

And we also have elements that are not in the lower quartile that cost more than $45, but we can not determine the percentage that they represent.

So we can only conclude that more than the 75% of the collection costs more than $45.

Now we want to know the percentage of the baseball cards valued at less than $45.

So if more than 75% is valued at more than $45.

Then less than 25% is valued at less than $25.

8 0
3 years ago
My teacher gave us the answers but we just need to show the work for solving the problems. Please help me
Radda [10]

Answer:

7

Step-by-step explanation:

16x + 22 = 134 ..... because if the two lines are parallel alternative exterior angles are congruent

16x = 134 - 22

16x = 112

\frac{16x}{16}  =  \frac{112}{16}

x = 7

hope it helps

for any question comment me ❤❤

3 0
3 years ago
The proportion of items in a population that possess a specific attribute is known to be 0.45. a. If a simple random sample of s
yanalaym [24]

Answer: 0.05

Step-by-step explanation:

  • Sampling error is the error occurs by considering sample for study instead of entire population.

Given : The proportion of items in a population that possess a specific attribute is known to be 0.45.

Sample size : n= 100

Sample proportion of items in a population that possess a specific attribute : \hat{p}=0.48

Now, the formula to find the sampling error :

\text{Sampling error} =\sqrt{\dfrac{\hat{p}(1-\hat{p})}{n}}

\text{Sampling error} =\sqrt{\dfrac{0.48(1-0.48)}{100}}

=\sqrt{\dfrac{0.48(0.52)}{100}}\\\\=\sqrt{0.002496}\approx0.05

Hence, the sampling​ error =0.05

4 0
2 years ago
PLS HELP ME ASAP FOR 6, and 7!!! (GIVING BRAINLIEST AND THANKS!!)
denis23 [38]
For 6 the answer is c because 1 fourth goes into one and a half 6 times so you do 6 times 4 feet which is 24 feet
3 0
3 years ago
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