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Sergio039 [100]
3 years ago
10

Find the perimeter of diameter 3.5 cm​

Mathematics
1 answer:
sergiy2304 [10]3 years ago
3 0

Answer: I am assuming it’s of a circle? So the answer would be rounded to 11.

Step-by-step explanation:

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An item is regularly priced at $20. Keiko bought it on sale for 15% off the regular price. How much did Keiko pay?
Anna71 [15]
Pay = 20 - (20 x .15)  = $17
3 0
4 years ago
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Solve each equation. Show all your work. Round your answers to four decimal places. (a) 7^4x=10,(b)ln(2)+In(4x-1)=5
KengaRu [80]
A.) 7^4x = 10
log base 10 (7^4X) = log base 10 (10)
4x log base 10 (7) = 1
4x (0.8451) = 1
3.3804x = 1
x = 0.2958

b.) ln(2) + ln(4x-1) = 5
ln (2 * 4x-1) = 5
ln (8x-2) = 5
log base (3) (8x-2) = 5
e^5 = 8x-2
e^5+2 = 8x
x = 18.8016
4 0
3 years ago
GIVING BRAINLIEST HELP NEEDED
xenn [34]

The volume of the prism given its dimensions is equal to 160 cubic units.

<h3>What is the volume of the prism?</h3>

The given prism is made up of two prisms. The volume of the prism is the volume of the two shapes.

  • One of the prisms have the dimensions: 4 x 4 x 5.

Volume = 80

  • The other prism has the dimensions: 8 x 2 x 5.

Volume = 80

Volume of the prism = 80 x 2 = 160 cubic units.

To learn more about rectangular prisms, please check: brainly.com/question/8890358

8 0
2 years ago
2x − 3y + 4z = 23 x + 2y − 4z = −10 3x − y + 2z = 19 2 -3 4 1 2 -4 3 -1 2 Correct: Your answer is correct. x y z = 23 −10 19 Fin
Annette [7]

Answer:

(x, y, z) = (4, -1, 3)

Step-by-step explanation:

To solve the system of equations:

2x − 3y + 4z = 23 .........................(1)

x + 2y − 4z = −10 ..........................(2)

3x − y + 2z = 19..............................(3)

Simultaneously, we do that by first eliminating one variable from any two equations to have an equation in two variables. The process is repeated with one of the used equations and the third unused equation to have a second equation in two variables. The two equations in two variables obtained can then be easily solved simultaneously.

Let us eliminate z from (1) and (2)

Add (1) and (2)

(1) + (2):

3x - y = 13 ........................................(4)

Multiply (3) by 2

(3) × 2

6x - 2y + 4z = 38 ............................(5)

Add (5) and (2)

(5) + (2):

7x + 0 + 0 = 28

x = 28/7 = 4

Putting this in (4)

3(4) - y = 13

y = 12 - 13 = -1

Putting this in (3)

3(4) - 4(-1) + z = 19

z = 19 - 16 = 3

Therefore,

(x, y, z) = (4. -1, 3)

7 0
3 years ago
Is 8/18 closer to 0 1/2 or 1
marishachu [46]
1/2, 8/18 = 4/9, which is close to 4/8 wich is equal to 1/2
3 0
3 years ago
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