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Nana76 [90]
3 years ago
15

X^2 + 10x + 25 = 0I feel like I've tried everything and I just don't get it.

Mathematics
2 answers:
loris [4]3 years ago
8 0
If you are factoring it you can factor it into (x+5)^2
katen-ka-za [31]3 years ago
3 0

Answer:

x=-5

hope it helps

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HELPPP!!!!<br><br> What is one solution?<br> Eliminate any extraneous solutions.
olga nikolaevna [1]

Answer:

The correct answer is x= 4/5 because you cannot take the root of a negative number

4 0
3 years ago
15) The diameter of a cylinder is 12 and height is 11. Find the surface area of the figure. ​
kirza4 [7]

Answer:

A=640.88

Step-by-step explanation:

if the diameter is 12, the radius , r=12/2=6

we have r=6, h=11

Surface area, A= 2πrh+2π r^2

A=2*3.14*6*11+2*3.14*(6)^2=640.88

7 0
3 years ago
PLZZZZ ANSWER ASAP I WILL GIVE BRAINLIEST BUT WILL MAKE SUREIT IS RIGHT FIRST!!!!!!!!!!!!!!!!!!!! Which expression is equivalent
irakobra [83]

Answer:

The correct option is 1/4^2

Step-by-step explanation:

The given expression is:

4^6 * 4^-8

According to the same base rule if the exponents have the same base then the exponents will be added.

If we look at the given expression both the values have the same base.

Therefore we will add the exponents of the value.

= 4^6+(-8)

= 4^6-8

= 4^-2

Now to change the negative exponent into positive we will take it to the denominator.

4^-2 = 1/4^2

Thus the correct option is A....

8 0
3 years ago
The probability all of the students in this class will be present and on time is 3/10. The probability all of the students are p
cestrela7 [59]

Answer:

3/4

Step-by-step explanation:

A: students present
B: students on time

P(all students present and on time) = P(A and B) = 3/10
P(all students present) = P(A) = 2/5

P(A and B) = P(A).P(B|A) where P(B|A) is the probability of everyone being on time given that everyone is present

So P(B|A) = P(A and B) /P(A) = 3/10 ÷ 2/5 = 3/10 * 5/2 = 15/20 which can be reduced to 3/4 by dividing numerator and denominator by 5

7 0
2 years ago
SOMEONE HELP ME PLEASE
marin [14]

Answer:

Step-by-step explanation:

Direct variation problems can easily be solved with proportions, namely:

\frac{x}{y} :\frac{2}{5}=\frac{4}{y} and cross multiply to get

2y = 20 so

y = 10

5 0
2 years ago
Read 2 more answers
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