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Alina [70]
3 years ago
7

CMON PLSSSSSS HELP HELP HELP I NEED IT

Mathematics
2 answers:
Paul [167]3 years ago
6 0
N=-1 (I used a calculator app called photo math it’s really good)
levacccp [35]3 years ago
3 0
You can download the app Photomath, it gives you the answer and the explanation, anyways question 1 is n=-1 and question 2 is x=10
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The number of students enrolled at a community
LenKa [72]
Please include a picture!!!!
7 0
3 years ago
A tree was 5 feet tall. One year later, the tree was 13 feet tall. Write an equation and use mental math to find how many feet f
swat32
Just minus 5 feet from the new height which is 13ft, and the equation will be 13-5, and therefore the tree grew 8 feet
7 0
3 years ago
Read 2 more answers
Solve x2 + 4x + 8 = 0. (2 points)
USPshnik [31]

Answer:

x=-4/3

Step-by-step explanation:

7 0
3 years ago
Write an exponential function in the form y=ab^xy=ab x that goes through points (0, 20)(0,20) and (6, 1280)(6,1280).
Phoenix [80]

Answer:

y=20(2)^x

Step-by-step explanation:

We want to write an exponential function that goes through the points (0, 20) and (6, 1280).

The standard exponential function is given by:

y=ab^x

The point (0, 20) tells us that <em>y</em> = 20 when <em>x</em> = 0. Hence:

20=a(b)^0

Simplify:

20=a(1)\Rightarrow a=20

So, our exponential function is now:

y=20(b)^x

Next, the point (6, 1280) tells us that <em>y</em> = 1280 when <em>x</em> = 6. Thus:

1280=20(b)^6

Solve for <em>b</em>. Divide both sides by 20:

64=b^6

Therefore:

b=\sqrt[6]{64}=2

Hence, our function is:

y=20(2)^x

8 0
3 years ago
Hi can you guys help me know how to explain this?
ludmilkaskok [199]
10 x 25 = 250, well 20 x 25 is just double that, its 10 doubled x 25 so he probably just added it up. repeated addition really helps with times tables. 
6 0
4 years ago
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