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Masteriza [31]
3 years ago
8

Find the unknown number in each proportion. N/30 = 9/15 and 0.1/0.6 = n/12

Mathematics
1 answer:
WITCHER [35]3 years ago
5 0
N is 18 30-15= Half. 9x2 is 18 n is 2. .1 -> 1 and .6 ->6 1 over 6 = 2 over 12 (multiply) I think that's the right answer
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3. Find the missing value.<br> a. The mean is 8:<br> b.<br> 5, 11, 9, 7, 6, X
kkurt [141]

Answer:

x= 10 The missing value is 10

6 0
3 years ago
I need help please help me​
Deffense [45]
Is there anwer choices
3 0
3 years ago
This is gonna be the death of me
kykrilka [37]
Hey!
So you have a net of the figure. It's broken into several 2D shapes. What you an do it find the area of each shape and add it together.
Triangles: 
A = (b*h)/2
A= (5 * 3) / 2
A = 15/2
same thing for the second one
15/2 * 2 = 15
Don't forget, there are 2 triangles so it's really 15 for both

Rectangles:
A=b*h
A= 7*5
A=35

A=7*5
A=35

A=3*7
A=21

35+35+21=91

Now add the sum of the area of the triangles and the sum of the area of the rectangles

91+15 = 106

106 is the surface area
Hope this helps!
5 0
3 years ago
Help I don't understand this, Can someone explain this to me?
saul85 [17]

Answer:

The second answer is correct (5 x 1,000,000,000)

Step-by-step explanation:

Just count the number of zeros. Multiplying a number liket his by five doesn't change the number of zeros

7 0
2 years ago
Read 2 more answers
Can I get help on this math problem makes makes no sense
lana66690 [7]
(2,-1) The intersecting point is the point where the two lines meet.
5 0
3 years ago
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