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aleksklad [387]
3 years ago
15

Combine the like terms and simplify the expression.

Mathematics
1 answer:
Blizzard [7]3 years ago
5 0
Not sure since i don’t remember taking this but hope this helps:

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Find the volume of a right circular cone that has a height of 12.2 cm and a base with a circumference of 18.5 cm. Round your ans
grin007 [14]

We have been given that a right circular cone has a height of 12.2 cm and a base with a circumference of 18.5 cm. We are asked to find the volume of the cone to nearest tenth.

We know that circumference of circle is equal to 2\pi r.

2\pi r=18.5

r=\frac{18.5}{2\pi}

r=2.944366

Now we will use volume of the cone formula to solve our given problem.

V=\frac{1}{3}\pi r^2 h

V=\frac{1}{3}\pi (2.944366)^2\cdot (12.2)

V=\frac{1}{3}\pi (8.669291141956)\cdot (12.2)

V=\frac{1}{3}\pi (105.7653519318632)

V=\frac{1}{3}(332.2716526334804752)

V=110.7572175

Upon rounding to nearest tenth, we will get:

V\approx 110.8

Therefore, the volume of the given cube would be approximately 110.8 cubic centimeter.

4 0
3 years ago
What is the volume of a cylinder with base radius 2 and height 5?
Musya8 [376]

Answer:

62.832

Step-by-step explanation:

yes

4 0
3 years ago
Slope : - 9/7 point : ( -7,4 )
dolphi86 [110]
To form an equation with the given information, we use the formula :

y = mx + b, m being the slope and b being the y-intercept.

Since it is given that the slope is -9/7, we substitute m with -9/7.

y = -9/7x + b

To find b, we will substitute the known coordinates into the equation :
At point (-7 , 4), x = -7, y = 4

4 = -9/7 (-7) + b
4  = 9 + b
b = 4 - 9
b = -5

Now we know that b = -5, we will substitute b = -5 into the equation that we found earlier, y = -9/7 x + b :

y = - 9/7x - 5

To make it more readable, we can multiply the equation by 7:
7y = -9x - 5
7y + 9x + 5 = 0

-----------------------------------------------------------
Answer : 7y + 9x + 5 = 0
-----------------------------------------------------------
7 0
4 years ago
Shelia scores an average of 85 on her first 4 math tests. What is the lowest score that she would have to get on her next math t
kykrilka [37]

Answer:

91

Step-by-step explanation:

85=last 4 tests

(85+x)/2=88

85+x=176

x=91

5 0
3 years ago
Ahaha please help !!!!
Ivahew [28]

Answer:

The answer is A because you have to look at the shape of the plot

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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