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Nimfa-mama [501]
3 years ago
15

In need help quick and can you also explain how you did or what I'm supposed to be doing

Mathematics
2 answers:
Natalija [7]3 years ago
7 0

Answer:

heres a helpful stragity for your pos and neg numbers

-   -

 +   it's aupposed to be like a smiley face so lets say you had to solve -7+3 then you'd cover up the negitive and positive sign, so the answer would be a negitive number. It's a little stategy. And you should answer the question in the brackets then that answer times whatever you got.  

Harman [31]3 years ago
3 0
-45x+72
you multiply the 9 by everything in the parentheses
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Ann purchased a prepaid phone card for 20$. Long-distance calls cost 12 cents a minute using this card. Ann used her card only o
Lorico [155]
27 minutes
subtract 16.76 from 20, your answer divide by .12
5 0
4 years ago
A square and a rhombus have the same perimeter. What about their areas? Are they the same? If not then which is bigger?
Ratling [72]

Answer:

Nope.

Step-by-step explanation:

area square: s^2 if one side is 2 cm: are ais 4 cm

rhombus square: (big diagonalxsmall diagonal)/2

what counts on the rombus is not the side, but the diagonals. The diagonals are usually longer than the side of the square, so the area of the rombus is bigger.

6 0
4 years ago
A regular hexagon is inscribed in a circle and another regular hexagon is circumscribed about the same circle. What is the ratio
Anna007 [38]

4/3 of the area of the larger hexagon to the area of the smaller hexagon

Let the sides of the interior hexagon be 2 cm long, then this hexagon is made up of 6 equilateral triangles of side = 2.

The area of this hexagon = 6 * 1 * sqrt3 = 6 sqrt3 ( as the triangle is made up of 2 60-30-90 triangles)

The exterior hexagon is made up of 6 equilateral triangles with altitude 2 and the area = 6 * 2 * (2 / sqrt3 ) = 24 / sqrt3

area exterior hex / interior hex = 24 / sqrt3 * 1 / 6sqrt3 = 24/18

= 4/3

Required ratio = 4/3 answer

Learn more about Equations:

brainly.com/question/16450098

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3 0
2 years ago
HELP HELP HELP MATH I WILL GIVE U EXTRA POINTS⚠️⚠️⚠️⚠️⚠️
Alja [10]

Answer:

503.75, 504.75, 505.75, 506.75

Step-by-step explanation:

x+(x+1)+(x+2)+(x+3)=2021

4x+6=2021

4x=2015

x=503.75

so it would be

503.75+504.75+505.75+506.75= 2021

8 0
3 years ago
Find the Perimeter of the figure below, composed of a rectangle and two
larisa [96]

Answer:

Step-by-step explanation:

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3 years ago
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