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blagie [28]
3 years ago
10

What is the domain of the function, f(x) = square root of x plus 9 end root?

Mathematics
1 answer:
blsea [12.9K]3 years ago
6 0
X is greater than or equal to -9.
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Bella and Heather put some money into their money boxes every week. The amount of money (y), in dollars, in their money boxes af
Hatshy [7]

Answer:

\boxed{ \text{B. 10 weeks, \$310 }}\\

Step-by-step explanation:

We have two conditions:

\begin{array}{lrcll}(1) & y & = & 25x + 60 & \\(2) & y & = & 30x + 10 & \\ & 25x + 60 & = & 30 x + 10 & \text {Set (1) = (2)} \\ & 50 & = & 5x & \text{Subtracted 25x from each side} \\& x & = & 10 &\text{Divided each side by 5} \\\end{array}\\$ $\\\boxed{ \textbf{The number of weeks is }x = 10}\\

   

    Bella: y = 25x + 60 = 25(10) + 60 = 250 + 60 = 310  

Heather: y = 30x + 10  = 30(10) +  10 = 300 + 10  = 310

7 0
3 years ago
Rosa is building a guitar. The second fret is 33.641\,\text{mm}33.641mm33, point, 641, start text, m, m, end text from the first
poizon [28]

Answer:

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Step-by-step explanation:

5 0
3 years ago
Since only 2 of the 50 states are not connected to the mainland, what percentage of the states ARE on the mainland?
Nitella [24]

Answer:

96%

Step-by-step explanation:

too easy for me

6 0
3 years ago
brian invests £4700 into his bank account he recieves 5.5% compound intrest how much will brian have after 3 years?
alexandr1967 [171]

Answer:

Brian will have £817.8

Step-by-step explanation:

Principal = £4700

interest = 5.5% = 0.055

n = 3 years

Amount = [(Principal * (1 + interest)ⁿ) - Principal]

Amount = [(4,700 * (1 + 0.055)³) - 4,700]

Amount = [(4,700 * (1.055)³) - 4,700]

Amount = [(4,700 * 1.174) - 4,700]

Amount = [5,517.8 - 4,700]

Amount = £817.8

4 0
3 years ago
For f(x)= 4x+1 and g(x) = x squared -5 , find (f-g)(x)
makvit [3.9K]
Hope i am not wrong
f(x)=4x+1
g(x)=x^2-5

(f-g)(x)=f(x)-g(x)
(f-g)(x) =4x+1-x^2+5

-(x^2-6-4x)
solve it for x
6 0
3 years ago
Read 2 more answers
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