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dedylja [7]
3 years ago
8

Algebra questions is what I need to know

Mathematics
1 answer:
telo118 [61]3 years ago
8 0

Answer:

what do u mean??

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Use a net to find the surface area of the open cylinder with only one base. Use 3.14 for pi.
Mandarinka [93]

Answer:

251.20 cm square

Step-by-step explanation:

As given in figure

height of cylinder = 2 cm

radius of cylinder = 8 cm

lateral surface area of cylinder is given by = \pi r l

where r is the radius and l is the height

Therefore, lateral surface area of given cylinder

\pi r l = 3.14*8*2 = 50.24

area of base is give by \pi r^2

since there is only one base area of that base

= \pi r^2 = 3.14*8^2 = 3.14*64 = 200.96

Thus,

Total surface area of open cylinder = 50.24 + 200.96 = 251.20 cm square

3 0
3 years ago
3x-5=2(2x+5) how do you slove it
DaniilM [7]

Answer:

x = -15

Step-by-step explanation:

3x-5=2(2x+5)

Expand by using distributive property

3x - 5 = 4x + 10

Subtract 4x from both sides

3x - 5 - 4x = 4x + 10 - 4x

Simplifying

-x - 5 = 10

Add 5 to both sides

-x - 5 + 5 = 10 + 5

Simplifying

-x = 15

Divide both sides by -1

x = -15

5 0
3 years ago
Angles STU and UTV combine to form right angle STV. Which expression could be used to find the measure,in degrees,of angle UTV?
Sergeu [11.5K]
STV=STU+UTV

But,
STV=90° and STU = 75°

Therefore,
90=75+UTV => UTV = 90-75

Therefore, expression A is the one that can be used to find UTV.
8 0
3 years ago
What is the hypotenuse and how can you tell whether it's a hypotenuse or a short leg? Thx
neonofarm [45]
The hypothenuse is the opposite side of the right angle

so that means that in this triangle the hypotenuse is 7
3 0
3 years ago
Read 2 more answers
PLEASE HEEEEEEEEELLLLLLLLLPPPPPPP WILLING TO GIVE BRAINLIEST.
hoa [83]
I hope this helps, If there are 5 cups of flour, then there will be 7 and 1/2 cups of sugar:)

4 0
3 years ago
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