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Molodets [167]
3 years ago
6

Pls help me it's a test :(​

Mathematics
1 answer:
Sonja [21]3 years ago
3 0

Answer:

in step by step

Step-by-step explanation:

Phosphorus - 15-2-8-5

magnesium 12-2-8-2

argon 18-2-8-8

silicon 14-2-8-4

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4 years ago
Tommy's wife wants to fence in her circular garden. How many feet of fencing will she need if the diameter of the garden is 16 f
pashok25 [27]

Answer:

C) 16π ft

Step-by-step explanation:

Fencing is perimeter.  The perimeter of a circle is the circumference.

The circumference of a circle is pi time diameter

C= pi*d

We know the diameter is 16

C = 16*pi  ft

We will need 16 pi ft of fencing


4 0
4 years ago
Read 2 more answers
What is the area of this shape?
suter [353]

Step-by-step explanation:

There are four quarter circles, each with radius 9 ft.  Together, they form a full circle.  There are also four squares, each with side length 9 ft.

A = πr² + 4s²

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6 0
3 years ago
HELP ME PLEASE Find the slope of the line and write it as a rate of change.
Eduardwww [97]

Answer:

1

Step-by-step explanation:

6 0
3 years ago
find the permimter of the quadrilateral if x=2 the perimiter is in inches the perimiters are (4x2+8x) (31 ) (7x+30) (3x2-5x+20)
d1i1m1o1n [39]

Answer:

115

Step-by-step explanation:

4*2+8(2) = 24

31

7(2)+30 = 44

3*2-5(2)+20 = 6-10+20 = -4+20 = 16

24+31+44+16

115      

8 0
4 years ago
Read 2 more answers
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