Solution :
Volume of ball = Volume of outer ball - Volume of inner ball

Now, density of iron is, d = 7300 kg/m³.
So, mass of iron ball is :

Hence, this is the required solution.
750%
240/32=7.5
meaning 240 is 7.5 times bigger. You need to put it in % so multiply by 100 getting 750%
Answer:
x=5, y=41
Step-by-step explanation:
Because both equations are equal to Y, you can set them equal to each other like this:
8x+1=3x+26
From here, solve for x:
1. 5x+1=26
2. 5x=25
3. x=5
Once you have x, plug it back in to one of the original equations:
y=8(5)+1
y=41 and then you have your answer
If this answer was particularly helpful, please feel free to give it brainliest!! I would greatly appreciate it.
The value of y is 6, -6
Step-by-step explanation:
69 cm is one standard deviation below the mean
<span>for a normally distributed (bell curve) population </span>
<span>___ about 68% lie within one standard deviation of the mean ___ 34% above and 34% below </span>
<span>in this case , the 34% below the mean is added to the 50% above the mean (the 1/2 of the population equal to or longer than 79 cm) </span>
<span>so 84% of the population is longer than 69 cm</span>