Write the series using summation notation. 7 + 10 + 13+ ... + 40
1 answer:
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Answer:
The perimeter of the triangle is 105 cm.
Step-by-step explanation:
The ratio of sides of a triangle is .
The length of middle side is 35 cm.
Let first side of the tringle is , length of third side is
. middle side is of 35 cm.
So, the ratio of length of sides can be written as,
Compare the ratio to get the value of and
.
Now, the sides of the triangle are 25 cm, 35 cm and 45 cm.
Thus, the perimeter of the triangle will be the sum of all sides and can be calculated as,
Therefore, the perimeter of the triangle is 105 cm.
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Answer:
1st choice Music Equation:
Superstar Music Club Equation:
Solution: 2
Step-by-step explanation:
Given that:
1st choice music club:
Charges for one song = $1
Charges for sign - up = $5
Let the number of songs =
Total cost =
Superstar music club:
No sign up fee and
Charges for one song = $3.50
Total cost =
Given that, cost of each music club becomes equal:
Putting them same:
After 2 songs, the cost of both the clubs will become equal.
Answer:
The volume of tank to the nearest cube is 503 ft³
Step-by-step explanation:
Given that,
Diameter of tank = 8 ft
radius = 4 ft
Height = 10 ft
We need to calculate the volume of tank
Using formula of volume
Where, r = radius
h = height
Put the value into the formula
Hence, The volume of tank to the nearest cube is 503 ft³