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11Alexandr11 [23.1K]
3 years ago
7

Write the square root for each number

Mathematics
2 answers:
xenn [34]3 years ago
7 0

Answer:

√(4) is 2

√(100) is 10

√(144) is 12

√(81) is 9

yan [13]3 years ago
6 0

Step-by-step explanation:

7=2 8=12 10=10 11=9

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What is the equation of the line that contains point(3, -2) and has a slope of 5?
Olenka [21]

Answer:

y = 5x - 17

Step-by-step explanation:

y = mx + c

m = the gradient/slope = 5

y = 5x + c

Substitute (3, -2) into the equation above to find c.

-2 = 5(3) + c

-2 = 15 + c

-2 - 15 = c

-17 = c

y = 5x - 17

5 0
3 years ago
Read 2 more answers
according the the american hotel and motel association, women are expected to account for half of all business travelers by the
Slav-nsk [51]

Answer:  0.71221

Step-by-step explanation:

We know that for binomial distribution :-

\mu=np\ \ ;\ \sigma=\sqrt{np(1-p)}, where p is the proportion of success in each trial and n is the sample size.

Given : p=0.80  ;   n=20

Then, \mu=20(0.8)=16\ \ ;\ \sigma=\sqrt{20(0.8)(0.2)}=1.79

Let X be the binomial variable.

z-score : z=\dfrac{x-\mu}{\sigma}

For x=9

z=\dfrac{9-16}{1.79}=-3.91

For x=17

z=\dfrac{17-16}{1.79}=0.56

Then, the probability that more than 9 but less than 17 of the hotels in the sample is given by :-

P(9

Hence, the probability that more than 9 but less than 17 of the hotels in the sample = 0.71221

5 0
3 years ago
Which are factors of x2 – 4x – 5?
Kitty [74]

Answer:

(x-5)(x+1)

Step-by-step explanation:

Since the highest power of x is 2, u can assume the equation to be (x +/- A) (x +/- B), whereby A and B are unknowns.

Since the coefficient of X^2 is 1, and the number in the equation is - 5, the only possible values for A and B to get - 5 is either - 5 and 1 or 1 and - 5.

Since coefficient of x is - 4 and number in equation is - 5, imagine inserting those numbers in the equation and cross multiplying back. You would realise that the answer should be as listed above.

7 0
3 years ago
F(x)=x^4+3, g(x)=x-7 and h(x)=square root of x then f(g(h(x))=
SpyIntel [72]

Answer:

<em>x² - 28x√x + 294x - 1372√x + 2404 </em>

Step-by-step explanation:

f(x) = x^{4} + 3

g(x) = x - 7

h(x) = √x

f(g(h(x))) - ?

g(h(x)) = √x - 7

f(g(h(x))) = (\sqrt{x} -7) ^{4} + 3 = ( √x - 7 )² × ( √x - 7 )² + 3 =

= (x - 14√x + 49)(x - 14√x + 49) + 3 =

= x² - 14x√x + 49x - 14x√x + 196x - 686√x + 49x - 686√x + 2401 + 3 =

=  <em>x² - 28x√x + 294x - 1372√x + 2404</em>

8 0
2 years ago
Find the vertex of f(x)= 0.25|x-3|
Ksju [112]

Answer:

(3,0)

Step-by-step explanation:

7 0
3 years ago
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