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Black_prince [1.1K]
3 years ago
6

The number of pages in a book is a prime number between 40 and 50. this number has 86 as a multiple. how many pages does the boo

k have
Mathematics
1 answer:
NISA [10]3 years ago
4 0
The number is 43. it is between 40 and 50, and goes into 86 evenly, as 86÷43=2
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HELP I NEED HELP ASAP
Paladinen [302]
<h2>            <u>Rectangular</u> <u>Areas</u> <u>and</u> <u>Perimeters</u></h2>

The perimeter of a rectangle is given by:

\boxed{\bold{Perimeter = 2 (length + width)}}

In the problem we have these data:

  • Length = a
  • Width = -2x + 20
  • Perimeter = 6 + 2 (-2x + 20)

We replace the data in the equation of the perimeter:

<h3>6 + 2 (-2x + 20) = 2 (a - 2x + 20) </h3>

We apply distributive property:

6 - 4x + 40 = 2a - 4x + 40

6 = 2a

6 ÷ 2 = a

3 = a

⇒ Length = 3

The area of ​​the rectangle is given by:

\boxed{\bold{Area = 2 (length + width)}}

We have these data:

  • Length = 3
  • Width = -2x + 20

We replace the data in the equation of the area:

<h3>Area = (3) (- 2x + 20) </h3>

We apply the distributive property and obtain:

Area = -6x + 60

<u>The expression representing the area of ​​the rectangle will be -6x + 60</u>

<h3>I hope I've helped!</h3>
8 0
3 years ago
What is the supplementary angle to 69 degrees
igor_vitrenko [27]
The supplementary angle to 69 degrees would be 111 DEGREES.
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Which property is shown?<br><br> If m∠ABC = m∠CBD, then m∠CBD = m∠ABC
otez555 [7]

ANSWER: symmetric property

hope it helps thanks

brainliest pls

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Read 2 more answers
Jenny uses 7/9 gallon of water to water roses
jeka94
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If the diameter of a microscope's field is 0.12mm, how wide is an object that fills one-quarter of the field? (Explain how you'v
vlada-n [284]

Answer:.3mm

Step-by-step explanation:

5 0
3 years ago
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