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zzz [600]
3 years ago
5

Any one that knows this please help thanks!

Mathematics
1 answer:
USPshnik [31]3 years ago
3 0
Your are being asked to find what value of a will result in the denominator being 0, since you can not divide by 0 then this will be your non permissible value. Simply take the denominator(after it has been factored down and reduced, if necessary, it's not in this question though) then set to 0 and solve for the variable.
4a = 0
a = 0 \div 4
a = 0
Therefore your non permissible value will be,
a ≠ 0
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Jake took $20.00 to the shop and asked that it be changed into 5-cent coins. How many coins did he get?
coldgirl [10]

Answer:

He got 400 coins because there are 100 cents in a dollar. 100*20=2000. 2000/5=400!

Step-by-step explanation:

I hope this helps! Have a great rest of your day!

8 0
3 years ago
A production process fills containers by weight. Weights of containers are approximately normally distributed. Historically, the
forsale [732]

Answer:

option (c) n = 201

Step-by-step explanation:

Data provided in the question:

Standard deviation, s = 5.5 ounce

Confidence level = 99%

Length of confidence interval = 2 ounces

Therefore,

margin of error, E = (Length of confidence interval ) ÷ 2

= 2 ÷ 2

= 1 ounce

Now,

E = \frac{zs}{\sqrt n}

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z = 2.58 for 99% confidence interval

n = sample size

thus,

1 = \frac{2.58\times5.5}{\sqrt n}

or

n = (2.58 × 5.5)²

or

n = 201.3561 ≈ 201

Hence,

option (c) n = 201

5 0
3 years ago
Rectangle PQRS with vertices P(- 6, 9) , Q(3, 6); R(0, - 9) and S(- 9, - 6)
STatiana [176]

Answer:

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Step-by-step explanation:

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6 0
3 years ago
Determine how (if possible) the triangles can be proved similar.
HACTEHA [7]

Answer:

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Step-by-step explanation:

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7 0
3 years ago
What is the y-value of the solution to the system of equations?
alukav5142 [94]

Let's solve for x first,


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Let's now plug that into the other equation,


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The answer is 2

4 0
3 years ago
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