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alex41 [277]
3 years ago
9

I need help with this question ?

Mathematics
1 answer:
algol133 years ago
3 0

All the expressions try to capture the initial value 4.05 and the common ratio 1/3.

At n=1 we need a_1 = 4.05; since stuff to the zeroth power is one, that's the first choice.

You might be interested in
Find the intercepts and graph each line.<br><br> a.) x – 4y =− 4<br> b.) 2x + 5y =-10
Snezhnost [94]

Answer:

(1,5) I think that's what it is

4 0
1 year ago
Please help I’m stuck.
madam [21]
Well the slope is -3 and I'm assuming that the y-intercept is 250 because that's where it touches it at all on the graph

Hope this helps. If it does, please rate it as Brainliest
3 0
3 years ago
X-4y-8=6/8+-8y-2y<br>5y-3(6-7/8)=5x-4y+3
Ivan
First simplify

x-4y-8=3/4-10y
add 10y both sides and add 8
x+6y=8+3/4
times 4 both sides
4x+24y=32+3
4x+24y=35



5y-3(6-7/8)=5x-4y+3
add 4y both sides
9y-3(6-7/8)=5x+3
distribute
9y-18+21/8=5x+3
minus 5x both sides
9y-5x-18+21/8=3
add 18 to both sides and minus 21/8 both sides
9y-5x=21-21/8
times 8 both sides
72y-40x=147
72y-40x=147


so we got

24y+4x=35
72y-40x=147

multiply first equation by -3 and add to 2nd

-72y-12x=-105
72y<span>-40x=147 +</span>
0y-52x=42


-52x=42
divide both sides by -52
x=-21/26
sub back

24y+4x=35
24y+4(-21/26)=35
using math
y=497/312


the solution is
( \frac{-21}{26}, \frac{497}{312}  )
8 0
3 years ago
Solve 2x2 + 12x - 14 = 0 by completing the square
vovangra [49]

Answer:

<h2>x = -7 or x = 1</h2>

Step-by-step explanation:

(a+b)^2=a^2+2ab+b^2\qquad(*)\\\\\\2x^2+12x-14=0\qquad\text{divide both sides by 2}\\\\x^2+6x-7=0\qquad\text{add 7 to both sides}\\\\x^2+2(x)(3)=7\qquad\text{add}\ 3^2=9\ \text{to both sides}\\\\\underbrace{x^2+2(x)(3)+3^2}_{(*)}=7+9\\\\(x+3)^2=16\Rightarrow x+3=\pm\sqrt{16}\\\\x+3=-4\ or\ x+3=4\qquad\text{subtract 3 from both sides}\\\\x=-7\ or\ x=1

5 0
3 years ago
How to write this in radical form
Roman55 [17]
Ax/n= nsquare root a^x
5 0
3 years ago
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