2 years ago

HELP ME WITH THIS ASAP

Mathematics

2 answers:

mamaluj [8]2 years ago

8 0

13, irregular 14 regular

777dan777 [17]2 years ago

8 0

Answer:

13) non-regular pentagon (5-sides, all sides not equal)

14) regular hexagon (6-sides, all appear to be equal)

15) two pair of parallel sides without right angles is a parallelogram

16) two pair of parallel sides with four right angles is a rectangle; if all sides are equal then it is a square

Step-by-step explanation:

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2x^2 -7= 74 please show all work

skad [1K]

$2x^2-7=74\\
2x^2=81\\
x^2=\dfrac{81}{2}\\
x=-\sqrt{\dfrac{81}{2}} \vee x=\sqrt{\dfrac{81}{2}}\\
x=-\dfrac{9}{\sqrt2} \vee x=\dfrac{9}{\sqrt2}}\\
x=-\dfrac{9\sqrt2}{2} \vee x=\dfrac{9\sqrt2}{2}}\\$

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3 years ago

Is (5x+6)/2=3-(4x+12) equivalent to 5/2x+3=3-(4x+12) ?

strojnjashka [21]

Answer:

-24/13, yes

Step-by-step explanation:

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3 years ago

The ratio of tulips to violets is 5:6 and the total number of flowers is 99 if 10 tulips are added how many violets must be adde

vivado [14]

Answer:

Step-by-step explanation:

The given ratio is ...

tulips : violets = 5 : 6 = 10 : 12 . . . . . . . .multiply by 2

This tells us that maintaining the ratio will require 12 violets to be added for an addition of 10 tulips.

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2 years ago

The endpoints of CD¯¯¯¯¯¯¯¯ are C(7, 9) and D(−1,−3). Find the coordinates of the midpoint M.

Alja [10]

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-3,9

Step-by-step explanation:

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2 years ago

What is the solution of the set of the compound inequalities 3.5x-10>-3 and 8x-9<39

NeTakaya

Answer:

Step-by-step explanation:

3.5x - 10 > -3

3.5x > 7

x > 2

8x - 9 < 39

8x < 48

x < 6

x > 2 and x < 6

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2 years ago