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Montano1993 [528]
3 years ago
15

Mrs. White ordered 6 large boxes and 9 small boxes of crayons for the school art classes. Each large box has 189 crayons, and ea

ch small box has 90 crayons. Which is the best estimate of the number of crayons Mrs. White ordered?
A.
1,400 crayons

B.
1,800 crayons

C.
2,100 crayons

D.
3,000 crayons
Mathematics
1 answer:
ss7ja [257]3 years ago
8 0

Answer:

Step-by-step explanation:

6*189=1134

9*90=810

1134+810= 1944 total

If I was to est, MYSELF, I'd say 6*200= 1200  and 9*100= 900 to make 2100 crayons.

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EleoNora [17]

Answer:

(3/4) and (2/3).

Step-by-step explanation:

For a fraction of the form (p / q), the number in front of the division (p) is the numerator. The number after the division (q) is the denominator.

\begin{aligned} \frac{p}{q} \quad \genfrac{}{}{0}{}{(\text{numerator})}{(\text{denominator})}\end{aligned}.

A positive fraction (p/q) (p,\, q > 0) is less than 1 as long as the numerator p is smaller than the denominator q (that is, p < q.) The reason is that as long as p,\, q > 0:

\begin{aligned} & \frac{p}{q} < 1 \\ \iff & (q)\, \left(\frac{p}{q}\right) < (q)\, (1) && (\text{given that $q > 0$}) \\ \iff & p < q\end{aligned}.

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6 0
1 year ago
Help me please please help me
Lisa [10]

9514 1404 393

Answer:

  1. C
  2. E
  3. B

Step-by-step explanation:

The idea of a "production possibilities curve" is that there is a fixed relationship between possible production of one product and possible production of another. This relationship is presumed to exist because resources used to produce one product are then unavailable to produce the other product.

The graph of the curve generally has increased production in the direction away from the origin. So, points between the curve and the origin represent production choices that do not utilize all available resources of the kind that give rise to the curve. That is, points "inside" the curve represent under-utilization of resources.

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2. Points "outside" the curve are unattainable, because the curve represents production using all available resources.

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__

3. The assumptions behind the curve are that there must be a tradeoff between production of one item and production of another that uses the same resources. That is, increasing production of one item will necessarily decrease production of the other, representing a cost of the increased production of the first item. We call this cost an "opportunity cost", because it represents production opportunity lost with respect to the second item.

  Choice B describes this situation.

_____

<em>Additional comment</em>

The very idea of a "production possibilities curve" represents the sort of simplification that is often used in the study of economics. The real world is much messier, and these curves are always dynamic. They are affected by the regulatory environment, resource quality, technology, product quality, and availability of alternate or competing products, among other things. The very existence of such a curve precludes the possibility of "win-win" situations, which we know are generally available if they are sought after.

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A. 2m+5=total 

<span>B. $305  </span>
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