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Anika [276]
2 years ago
15

Witch is a composite number A 41 B 61 C 71 D 81 pls help me

Mathematics
1 answer:
valina [46]2 years ago
8 0

Answer:

D 81

Step-by-step explanation:

It is not prime. It can be divided by a number other than 1.

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What is the number of solutions of 4x^2+12x+9=0?
Gwar [14]

Answer:

One Real number solution

Step-by-step explanation:

check the discriminant

12^2  - 4*4*9

b^2 - 4ac

...

144 - 16*9 =  0

one double root

7 0
2 years ago
Which group of numbers is listed from least to greatest? -8, |-5|, -4, |3|, 6 |-6|, -4, |-2|, -1, 0 -4, |-2|, |3|, 5, |-7| -6, |
Anika [276]
I can’t help you because i can’t distinguish the groups
4 0
2 years ago
Subtracting polynomials
myrzilka [38]

Answer:

-11xy

Step-by-step explanation:

Subtracting a negative means adding.

-14xy - (-3xy) = -14xy + 3xy = -11xy

7 0
3 years ago
The following data show the number of cars passing through a toll booth during a certain time period over 15 days. 18 19 17 17 2
IgorLugansk [536]

Answer: <em>third from the top</em>

Step-by-step explanation:

<em>The correct answer is third from the top.</em>

<em>Arranging numbers in ascending order: </em>

<em>15 17 17 17 18 18 18 19 19 19 21 21 22 23 24</em>

<em>Let's count how many times each number occurs in this series of numbers.</em>

<em>row of numbers</em>

<em>15 </em>+

<em>16 not</em>

<em>17 </em>+ + +

<em>18 </em>+ + +

<em>19 </em>+ + +

<em>20 not</em>

<em>21 </em>+ +

<em>22 </em>+

<em>23 </em>+

<em>24 </em>+

<em>25 not</em>

6 0
2 years ago
Solve |x| + 7 &lt; 4.
masya89 [10]

Answer:

C) Ø    not possible

Step-by-step explanation:

Solve |x| + 7 < 4.

subtract 7 first

|x| < 4 - 7

|x| < -3

this is impossible,  a positive number cannot be less than a negative number

7 0
3 years ago
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