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umka2103 [35]
3 years ago
13

I really dont get math at all help plz

Mathematics
1 answer:
ollegr [7]3 years ago
8 0
The x coordinate  is halfway between 2 and 10  =   2 + (10-2)/2 = 2+4 = 6

so midpoint is C  (6,3)
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12x-18=90 whats the answer ?
zhenek [66]

Answer:

=

9

Step-by-step explanation:

6 0
3 years ago
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What is 4/5 - 3/7 in simplest form
rusak2 [61]
4/5 -3/7=
28/35 -15/35
=13/35

4 0
3 years ago
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A triangular plaque has side lengths of 8 inches, 13 inches, and 15 inches.
lianna [129]
<h3>Answer:  A) 52 square inches</h3>

==========================================================

Explanation:

a = 8, b = 13, and c = 15 are the sides of the triangle

s = (a+b+c)/2 = (8+13+15)/2 = 18 is the semi-perimeter, aka half the perimeter.

Those values are then plugged into Heron's Formula below

A = \sqrt{s*(s-a)*(s-b)*(s-c)}\\\\A = \sqrt{18*(18-8)*(18-13)*(18-15)}\\\\A = \sqrt{18*(10)*(5)*(3)}\\\\A = \sqrt{2700}\\\\A = \sqrt{900*3}\\\\A = \sqrt{900}*\sqrt{3}\\\\A = 30\sqrt{3}\\\\A \approx 51.9615\\\\A \approx 52\\\\

The triangular plaque has an area of approximately 52 square inches.

6 0
3 years ago
Can the expression be used to solve 29x14? yes or no for each expression a(9x4)+(20x4)+(9x1)+(20x1) yes No
Alekssandra [29.7K]

no because

29×14 is 406

9×4

20×4

9×1

<u>20×1</u>

49×10 490

490 and 406 aren't equal

7 0
3 years ago
How do dis plz i need hlp cuz i no smart tanks
vovikov84 [41]
h = 6

Work Shown: 

4h + 6 = 30 
1. 4h + 6 -6 = 30 - 6 ---> 4h =  24
2. 4h /4= 24/4 ---> 6 


h = 6

3 0
3 years ago
Read 2 more answers
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