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horsena [70]
3 years ago
8

Math Help please! Evaluate the sum of the geometric series 4 +2+ 1 +1/2+ . . .

Mathematics
1 answer:
sertanlavr [38]3 years ago
4 0
7.5 it's is hat answer or if I'm wrong use photomath it's the best app
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aliya0001 [1]

The key here is to not worry too much and just follow PEMDAS.

Here we have the expression (5\cdot 7)^2.  Following PEMDAS, we complete the expression inside the parentheses first, or 5\cdot 7 = 35. This gives us (35)^2 or just 35^2.

Hope this helps.

8 0
1 year ago
Which graph shows the system 1 x++y=2 ? [x2 + y2 =9 ​
pishuonlain [190]

Answer:

The graph of the system in the attached figure

Step-by-step explanation:

we have

isolate the variable y

----> equation A

This is the equation of a vertical parabola open down (because the leading coefficient is negative)

The vertex represent a maximum

the vertex is the point (0,2)

---> equation B

This is the equation of a circle centered  at (0,0) with radius 3 units

The solution of the system of equations is the intersection points both graphs

using a graphing tool

The solutions are the points (-2.05,-2.19) and (2.05,-2.19)

see the attached figure

8 0
2 years ago
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Find the inverse of the equation below.<br> y =(x + 1)2
bearhunter [10]

Answer:

f^-1 (x) = x/2 - 1

ps the ^ means to the power of so its f to the power of -1.

hope it helps!!

8 0
3 years ago
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At the nursery, the ratio of red flowers to yellow flowers is 5:4. If there are 28 yellow flowers, how many red flowers are ther
grin007 [14]
35 red flowers

28/4=7
7x5=35
8 0
3 years ago
10x−y = 10<br> −2x+ 5y = −2
Viefleur [7K]

Answer:

x=1 & y=0

Step-by-step explanation:

5 0
1 year ago
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