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bulgar [2K]
3 years ago
13

What is the square root of 18

Mathematics
1 answer:
kifflom [539]3 years ago
3 0

Answer:

4.24

Step-by-step explanation:

looked it up on google

google is never wrong

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What are the roots of the polynomial equation?<br><br> x2−14x−32=0
Dmitry [639]

We are given the quadratic equation :

x^{2} -14x-32=0

Now let us use AC method to factorise it.

Step 1:

Find product of A and C

A=1 and C =-32

A*C =-32

Step 2:

Find factors of -32 such that they add up to give -14.

Factors of -32 that add up to give -14 are -16 and 2.

Step 3:

Rewrite the equation using factors found in step 2.

x^{2} -16x +2x -32 =0

Step 4:

Factoring by grouping.

x(x-16) +2(x -16) =0

(x-16) (x+2) =0

Step 5:

Find roots.

x-16=0 gives x=16

x+2=0 gives x=-2

Answer : Roots of the given Polynomial equation are 16 and -2.


8 0
3 years ago
Read 3 more answers
Evaluate each expression if a=2, b=3 and c=4<br><br> A.) 2a+4b-c<br> B.) 6(a+c)-b
djyliett [7]

Answer:

Step-by-step explanation:

A.) 2a+4b-c:  Replacing a with 2, b with 3 and c with 4, we get:  

    2(2) + 4(3) - (4) = 4 + 12 - 4 = 12

B.) 6(a+c)-b:  Replacing a with 2 and c with 4, we get 6(2 + 4) - 3.

The work inside parentheses should be done first, resulting in 6(6) - 3.

This comes out to 33.

4 0
3 years ago
Prime integers between 1and11​
Roman55 [17]

Answer:

1,3,5,7,11

Step-by-step explanation:

a prime numb er or integer is a number that can not be multiplied to get to other than x1 so for example the only thing you can do for 3 is 3x1 not anything else especially because you said integer

5 0
3 years ago
My wife and I are Racing around a 400m track going opposite directions. I am running at 8 m/s and she has a head start of 50 met
Vlad [161]

Answer:

They both meet after 27 s.

Step-by-step explanation:

Length of track = 400 m

speed of man, v = 8 m/s

speed of woman, v' = 5 m/s

Woman is 50 m ahead of man.

Let the time taken to meet is t.

Let the man covered a distance d in time t o the woman covered a distance 400 - 50- d.

\frac{d}{8}=\frac{400-50-d}{5}\\\\5 d = 8 (350-d)\\\\13 d = 2800\\\\d = 215.4  m

The time taken is

t=\frac{215.4}8}\\\\\\t=27 s

5 0
3 years ago
A shoe store donated a percent of every sale to hospitals. The total sales were $8900 so the store donated $356. What percent of
kolezko [41]

Answer:

4%

Step-by-step explanation:

Given data

The total sales= $8900

Donated amount=$356

Hence the percent donated is

=Donated amount/Total Sales *100

= 356/8900*100

=0.04*100

=4%

Hence the donated percent is 4%

3 0
3 years ago
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