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3 years ago

11

Nathan has two types of stamps:

1 answer:

Maurinko [17]3 years ago

4 0

A. He could use 5 of the 8<span>¢ Stamps
He could use 10 of the 4</span><span>¢ Stamps

B. You can be sure that you have found all of the possible combinations because those are the only sets of those specific numbers that equals 40</span><span>¢ <span>

C. If Nathan used 40</span></span>¢ worth of stamps in postage, given that 40¢ is all that Nathan is willing to spend, he would have only used the 8¢ variety of the stamps he owns. You can explain this reasoning in the fact that 8 x 5 = 40 and he spends 40<span>¢.</span>

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Please help I’ll give you brainliest

dem82 [27]

Answer: 226.9 square in.

Step-by-step explanation: Remember that the formula for the area of a circle is (pi)r^2. Since the diameter is 17, you divide that by 2 to get your radius: 8.5. Now, put it into the formula to get your answer. (226.865 is the original, 226.9 is rounded to tenths)

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2 years ago

-33+(-33) can you help with this question

butalik [34]

Answer:

-66

Step-by-step explanation:

-33 +(-33)

ok so if you add a negative number then you are pretty much subtracting a positive number

-33 - 33 = -66

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3 years ago

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a person pays a loan of Rs. 3900 in monthly installments each in installment being less than the former by Rs. 20 ,the amount of

musickatia [10]

Answer:

15 installments

Step-by-step explanation:

3900 = Σ $\left \ {{x=n} \atop {x=1}} \right.$ 400 - 20*(n - 1)

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2 years ago

64,000 in<br> a fraction

earnstyle [38]

Answer:

undefined

Step-by-step explanation:

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3 years ago

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Your manufacturing company sells metal nuts and bolts that come together in a package. The diameter of the bolts coming off the

Reil [10]

Answer:

The z score for bolt of diameter 18.12 mm is 1.20.

Step-by-step explanation:

Let <em>X</em> = diameter of bolts.

It is provided that the random variable <em>X</em> follows a Normal distribution with mean, <em>μ</em> = 18 mm and standard deviation, <em>σ</em> = 0.10 mm.

A <em>z</em>-score is a standardized score, a numerical, that defines how far a data value from the mean.

The distribution of <em>z</em>-scores is defined by the Standard Normal distribution.

$Z\sim N(0, 1)$

The formula to compute the <em>z</em>-score is:

$z=\frac{x-\mu}{\sigma}$

The value of the diameter of a bolt is, <em>x</em> = 18.12 mm.

Compute the <em>z</em>-score for this value as follows:

$z=\frac{x-\mu}{\sigma}=\frac{18.12-18}{0.10}=\frac{0.12}{0.10}=1.20$

Thus, the z score for bolt of diameter 18.12 mm is 1.20.

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2 years ago