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Nikolay [14]
2 years ago
6

How do I solve this.

Mathematics
1 answer:
blondinia [14]2 years ago
3 0

You are asked to find the error. The error is that 4,100,000 is the answer to 4.1×10^6, not 4.1×10^-6. The correct answer to 4.1×10^-6 is 1/4,100,000.

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lapo4ka [179]

your answer is b hope I am correct

7 0
3 years ago
Checking account A charged a monthly fee of $5 and a per-check fee of $0.25, and checking account B charged a monthly fee of $6
Genrish500 [490]
First we need to know both the formula of A and B.

The formula of A is
C = 5 + 0.25p
with C representing total cost and p representing the amount of checks.

The formula of B is
C = 6 + 0.15p
with C representing total cost and p representing the amount of checks.

To find the point where A and B cost the same, we solve the following equation:
5 + 0.25p = 6 + 0.15p

Collecting terms gives us
-1 = -0.1p

Now we have to divide by -0.1 and we get.
10 = p
p = 10

So our answer: after 10 checks both accounts cost the same amount of money. Answer A.
7 0
2 years ago
I don't understand the steps. help!<br> -9a^2b^6(-7ab^-4)
iris [78.8K]

(32•7a3b2)

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-4" was replaced by "^(-4)".

Step by step solution :

Step 1 :

Equation at the end of step 1 :

0-(((9•(a2))•(b6))•(0-7ab(-4)))

Step 2 :

Equation at the end of step 2 :

0 - ((32a2 • b6) • -7ab(-4))

Step 3 :

Final result :

(32•7a3b2)

I think its like this ,Tho hope it helped




4 0
2 years ago
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antiseptic1488 [7]
You can buy an estimate of 8 T-shirts.
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2 years ago
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Review Lines and Parabolas
Virty [35]

Answer:

B

Step-by-step explanation:

3 0
2 years ago
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