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3 years ago

HELP ASAP!!

Mathematics

1 answer:

Marizza181 [45]3 years ago

5 0

Form: y=ax+b
$4a + b = 7 \\ 0a + b = 7$
b=7
a=0
y=0x+7

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Solve using substitutions! Help w this question please!!

Irina18 [472]

I hope this helps you

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3 years ago

Application of Geometric Series

Gnoma [55]

Answer:

7.2224

Step-by-step explanation:

The value of the summation is given by the formula ...

Sn = (a1)(1 -r^n)/(1 -r) . . . . . where a1 is the first of n terms, and r is the common ratio.

Your sum has first term and ratio ...

a1 = 2(0.6) . . . . . summation term for n=1

r = 0.6

So the sum is ...

$\displaystyle \sum_{n=1}^4{2(0.6^n)}=2(0.6)\dfrac{1-0.6^4}{1-0.6}=\dfrac{1.2}{0.4}(0.8704) = 2.6112$

Then the value of the entire given expression is ...

$\displaystyle 2+2\sum_{n=1}^4{}2(0.6^n)=2+2(2.6112)=\boxed{7.2224}$

_____

A calculator can help you find the value.

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2 years ago

You have 100 dollars in your bank account the first year your account increases 7% the second year it decreases 7% how much mone

Elena-2011 [213]

Answer: Stay the same, 100

Step-by-step explanation: well 7%-7% still equals zero. So it’s not effected, I think.

4 0

3 years ago

If you travel 1000 feet in 5 minutes, what is your speed in feet per minute?

Ilia_Sergeevich [38]

Answer:

200 feet per minute

Step-by-step explanation:

1000 / 5 gives us the feet per minute

200 feet per minute

Answer: 200 feet per minute

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3 years ago

What is the square root of 3476

S_A_V [24]

Square root of 346 is 58.9576118919
I hope this helps. Square root means when you multiply that number by itself it equals a number.
12^2=144
Square root of 144=12.

6 0

3 years ago