There are four values, including the unknown value x. The sum of the four values is the given value of the mean, 11.5, multiplied by four. Let S be the sum of the four values. Then we can write:


x = 46 + 5 = 51
The answer is: The value of x is 51.
If the backpack (b) contains only textbooks (t) and notebooks (n), the total weight of the backpack is:
b+t+n
but notebooks are 4 pounds, so actually:
b+t+4
also, the backpack weights 2 pounds, so the total weight is:
2+t+4 =t+6
now, "Seventy percent of
<span>
the total weight is textbooks. ", this means that
t=70%(t+6) - this equation can be used to determine the weight of the textbooks!
</span>
The height of Radon plant is 6.3 meters
<em><u>Solution:</u></em>
Given that, Allies plant has a height of 6 meters
Radon’s plant grows
meters higher
To find: Height of Radon plant
From given information,
Height of Allies plant = 6 meters
Height of radon plant =
+ Height of Allies plant
Substituting the known value,

Thus Radon plant grows to height of 6.3 meters
Answer:

Step-by-step explanation:
step 1
Find the area of complete circle
The area of the circle is given by the formula

we have

substitute


step 2
Find the area of the shaded region
we know that
The area of complete circle subtends a central angle of 360 degrees
so
using proportion
Find out the area of the shaded region if the central angle is equal to 80 degrees
