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Brilliant_brown [7]
4 years ago
14

What is four times a number, minus 8, is equal to three times the number, plus 9

Mathematics
1 answer:
Mekhanik [1.2K]4 years ago
4 0
4x-8=3x+9, I think that's the answer
You might be interested in
True or false: the lateral surface of cone a is exactly 1/2 the lateral surface area of cylinder b
Mazyrski [523]

Answer:

True

Step-by-step explanation:

We have that,

The cone A has the length of the lateral side = h and the height of the cylinder  B = h.

Since, the lateral surface areas are given by,

Lateral surface area of cone = \pi r\times l, where l is the length of the lateral side.

So, we get L_{A} = \pi r\times h.

Also, Lateral surface area of cylinder is 2\pi r\times h, where h is the height of the cylinder.

So, we get L_{B} = 2\pi r\times h

Thus, we see that, L_{A}=\frac{1}{2}\times L_{B}

Hence, the given statement is correct.

6 0
3 years ago
he diameter of an ice skating rink is 44 feet. In terms of π, what is the area of the rink to the nearest square yard? (9 ft2 =
crimeas [40]

Answer:

The area of the circular ring is 53.73 π  sq. yards

Step-by-step explanation:

The diameter of the skating ring = 44 ft

Diameter =  2 x Radius

⇒Radius of the ring  = 44 / 2  = 22 ft

Now, 1 ft = 0.333333 yards

⇒22 ft  = 22 x 0.333333 yards = 7.3333 yards

Now, Area of the circular Ring = \pi r^2\\

or, A = \pi (7.33)^2

=  53.73 π  sq. yards

or, the area of the circular ring is 53.73 π  sq. yards

6 0
3 years ago
Tasha wanted a Burger from Burger King. The burger she wanted cost 10$. But Tasha only has 5$. How much money does she need in o
Alex

The answer is B.) $5


4 0
3 years ago
Riley invested $1,000 in savings bonds. If bonds earn 6.75% interest compounded semi-annually, how much will riley earn in 15 ye
lara31 [8.8K]

Answer:

$2,706.86

Step-by-step explanation:

8 0
3 years ago
PLEASE HURRY I WILL GIVE BRAINLEST
Vitek1552 [10]
It would be all the evens since the reference is x^2... it’s not the odds Bc it’s not a graph like or
So jt would be 4,6,8

Hope it helps
Ps I’m not positive, haven’t done this for a while now
7 0
3 years ago
Read 2 more answers
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