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mafiozo [28]
3 years ago
11

(F+g)(6) ( f+g) 7x+8

Mathematics
1 answer:
pashok25 [27]3 years ago
6 0
I am honestly not sure about this answer... try Khan Academy. Or, try breaking it down into steps.

I hope this helped... sorry about that. I will try this concept soon. :)
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T is at least 8 and at most 24.
zmey [24]

Answer:

Step-by-step explanation:

t is at least 8 and at most 24

8 ≤ t ≤ 24

6 0
3 years ago
Howard’s uncle gave him $885 for his tenth birthday. The money was invested in a savings account with interest compounded at 12%
Stella [2.4K]
Principal Amount = P = $885
Amount Accumulated = A = $3500
Interest rate = r = 12% = 0.12
Compounding period in a year = n = 2
Time in years = t = ?

The formula for compounding is:

A=P(1+ \frac{r}{n})^{t*n}

Using the values, we get:

3500=885(1+ \frac{0.12}{2})^{2*t} \\  \\ 
 \frac{3500}{885} =(1.06)^{2t} \\  \\ 
log(\frac{3500}{885})=log((1.06)^{2t}) \\  \\ 
log(\frac{3500}{885})=2tlog(1.06) \\  \\ 
t= \frac{log(\frac{3500}{885})}{2log(1.06)}  \\  \\  \\ 
t=11.80

This means, it will take him 11.8 or approximately 12 years 
6 0
3 years ago
Which of the following is a polynomial with roots negative square root of 5, square root of 5, and 3?
Alex Ar [27]

Answer:

x^{3}-3x^{2}-5x+15

Step-by-step explanation:

The roots of the given polynomial are: -\sqrt{5}, \sqrt{5}, 3

Since, -\sqrt{5}, \sqrt{5}, 3 are the roots of the polynomial, according to the factor theorem, (x - (-\sqrt{5})), (x-\sqrt{5}), (x-3) would be the factors of the polynomial.

Since we have the factors of the polynomial, we can multiply them to get the desired polynomial.

Let the polynomial be represented by P(x), so

P(x) = (x - (-\sqrt{5}))(x-\sqrt{5})(x-3)\\\\ P(x)=(x +\sqrt{5})(x-\sqrt{5})(x-3)\\\\ P(x)=(x^{2}-(\sqrt{5} )^{2})(x-3)\\\\ P(x)=(x^{2}-5)(x-3)\\\\ P(x)=x^{3}-3x^{2}-5x+15

The polynomial represented by P(x) has the given roots.

5 0
3 years ago
What's nine plus ten? Is it 21 or 19
My name is Ann [436]

Answer:

19 duh

Step-by-step explanation:

3 0
3 years ago
In ΔLMN, n = 960 cm, ∠L=160° and ∠M=10°. Find the length of l, to the nearest centimeter.
Shtirlitz [24]

Answer:

Step-by-step explanation:

nh

4 0
3 years ago
Read 2 more answers
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