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Serga [27]
2 years ago
15

This is a drop down menu selection question (fill in the blanks.)

Mathematics
2 answers:
Ymorist [56]2 years ago
5 0

Answer:

1-A-ENLARGEMENT

2-B-2 INCHES PER CENTIMETER

Step-by-step explanation:

Its enlargement because it is bigger than the original. And is 2 inches because for every centimeter there are 2 inches.

Hope this helps, rate thanks and brainliest.

Svetllana [295]2 years ago
3 0

Answer:

2

Step-by-step explanation:  Explanation:

The scale factor is the ratio between the scale drawing measures and the actual measures.

                                  scale drawing length            8 inches

scale factor = ratio = -------------------------------- =   --------------- = 2

                                       actual length                    4 inches

Also,

                                  scale drawing width             14 inches

scale factor = ratio = ----------------------------- =       --------------- = 2

                                        actual width                      7 inces

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Step-by-step explanation:

4 0
3 years ago
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If p(x)=2x^2-4x and q(x)=x-3 what is (p*q)(x)
Tanya [424]

Answer: 2x³-10x²+12x or 2x(x²-5x+6)

Step-by-step explanation:

(p*q)(x) means p(x) and q(x) multiplied together.

(2x²-4x)(x-3)

2x³-6x²-4x²+12x

2x³-10x²+12x

You can also factor this by taking out a 2x.

2x(x²-5x+6)

4 0
3 years ago
60-points,5-star ratting,A thanks and MARKED AS BRANLIEST!
vitfil [10]

Answer:

Step-by-step explanation:

31. D     6.5+8 = 14.5 > 12

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8 0
3 years ago
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6 ft.<br> 12 ft.<br> 8 ft.<br> The area of this irregular<br> figure is<br> -sq. ft.<br> 16 ft.
nikdorinn [45]

Answer:

When we know all 3 sides, we use Heron's Formula

area = sqrt [s *(s-a) * (s-b) * (s-c)]

where "s" is the semi-perimeter which in this case equals

s = (6 + 8 + 12) / 2   = 13

area = sqrt [13 * 5 * 7 * 1]

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Step-by-step explanation:

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3 years ago
2500 + 20%=what's the answer
zysi [14]

Answer:

  as written: 2500.2

  as intended: 3000

Step-by-step explanation:

20% = 0.2, so adding 0.2 to 2500 gives 2500.2

_____

We suspect you want to add 20% of 2500 to 2500. That is ...

  2500 + 20%×2500

  = 2500 + 0.20×2500

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_____

<em>Comment on percentages</em>

A percentage is a pure number. It is a ratio of like quantities, so has no units.* A <em>useful</em> percentage always has a base. That is, it is a percentage <em>of something</em>. Sometimes that base may be unclear or unstated, in which case the percentage might very well be considered to be meaningless.

In any event, a percentage is simply a (unitless) fraction. The "%" symbol means the same thing as "/100", so 20% means 20/100 = 2/10 = 1/5.

The very clear math expression 2500 +20% means simply 2500 + 1/5, which is the mixed number 2500 1/5 or the decimal value 2500.2. Usually, when we want to add a percentage to some value, we want the percentage to be <em>of the original value</em>. When that is written as a math expression, it must show this:

  2500 + 20% of 2500

  2500 + 20%×2500

  2500(1 +20%)

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* The concentration or potency of some medicines or other mixtures may be expressed as a percentage that is the ratio of one unit to a different unit, typically weight per volume. That is, a "0.1%" preparation may be 0.1 grams per 100 mL, for example. You have to read the label to determine whether this is the case. Mathematically, this is not a percentage, but is a non-standard use of the "%" symbol to indicate a ratio to 100 of something.

4 0
3 years ago
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