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Oliga [24]
3 years ago
13

What are the zeros of f(x) = x2 - x - 30?

Mathematics
1 answer:
Grace [21]3 years ago
5 0

Answer:

the answer is x = -6 and x =5

just took the test

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Seven more than twice a number is 7
NeX [460]

Answer:

0

Step-by-step explanation:

0 × , or 0² is 0, and 0 + 7 is 7. Hope this helps!

6 0
3 years ago
What is the circumference of the following circle?<br> units<br> R=1
lesantik [10]

Answer:

6.28 or 157/25

Step-by-step explanation:

Firstly, you find the formula for the circumference of a circle which is C= PI ( diameter)

So since the radius is 1 you multiply it by 2 and get 2 so then you multiply 2 by 3.14 (pi) and get 6.28

I hope this helped!!!

c = \pi(d)

7 0
4 years ago
The line of symmetry of the shape is shown by a dotted line.
RSB [31]

Answer:

hard to go without a graph see explanation

Step-by-step explanation:

from each point, count har far away it is from the dotted mirror line and then count that many in the opposite direction.

for example, the spikey point at the bottom is 3 units below the mirror line so count 3 units above the mirror line and that is where other point will be

3 0
3 years ago
Simplify: (-4+√3)^2<br><br> 19 – 8√3<br> –5 –4√3<br> 19+8√3<br> 16 + 8√3
N76 [4]
It is a because when squared the product ensues as such so A Is the value
5 0
3 years ago
I need help on which ever one you would like to do :)
alexgriva [62]

Answer:

a. k = n - 1     b. 15    c. 112

Step-by-step explanation:

I can answer a. b. and c. for you!

For a. let's say that the variable k means keys. And n means bits.

Since Millie can collect one less keys than there are bits, the equation is....

*See top*

For b. if Antonio  has a 16-bit system, by looking at our equation we know that k = n - 1.

So, if n = 16, k = 15

For c. if each byte equals 8 bits, and there are 14 bytes, then the amount of bits would be 8 x 14.

8 x 14 = 112

3 0
3 years ago
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