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lisov135 [29]
3 years ago
6

Please help me please help me if you don't know gently move your hand

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
8 0

Answer:

Radius

Step-by-step explanation:

radius (The distance from the center to the circumference of a circle. It is half of the circle's diameter.)

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X+6/x+3 X x-6/x-3<br><br> A. 2x-12/x-3<br> B. x-12/x-6<br> C. x^2-12/x^2-6<br> D. x^2-36/x^2-9
tatyana61 [14]

d

Step-by-step explanation:

8 0
1 year ago
A karat equals 1/24 part of gold in an alloy [ eg 9 karat gold is 9/24 gold]. How many grams of 9 karat gold must be mixed with
irinina [24]
This is a mixture problem.

Let the 9 karat gold to be mixed be x. The 18 karat would weight (200 - x). Since the total = 200g.

mass1 * karat1 + mass2*karat = total mass * total carat

Let mass1 be x g.          mass 2 would be = (200 -x)
karat 1 = 9                    karat 2 = 18 

Total mass = 200g.
Total karat = 14.

9*x  + 18*(200 -x) = 14*200

9x + 18*200 - 18*x = 14*200

18*200 + 9x - 18x = 14*200

3600 - 9x = 2800

3600 - 2800 = 9x

800 = 9x

9x = 800

x = 800/9

x ≈ 88.89

Therefore 88.89 grams of 9 karat gold must be mixed.
7 0
3 years ago
Divide 254 : 6 = Round to the nearest tenth​
snow_lady [41]

Answer:

40

Step-by-step explanation:

AS the ansewer is 42.somthing

and then you round down

5 0
3 years ago
Read 2 more answers
Help me please don’t need an explanation just a quick answer
Vikki [24]
Cfxgxhcgxjcbchcjchxjfhx
5 0
3 years ago
The temperature started at −20 ∘F then rose by 12 ∘F. Write and then evaluate an expression for the current temperature.
Mashcka [7]

Answer:

-32°F

Step-by-step explanation:

current temperature = -20°F-12°F

= - 32°F

I am not sure if its correct

3 0
3 years ago
Read 2 more answers
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