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Lady_Fox [76]
2 years ago
9

Simplify -4+8-2 and 8-(-3)-5

Mathematics
1 answer:
bagirrra123 [75]2 years ago
3 0

Answer:

-2 and 6

Step-by-step explanation:

- 4 + 8 - 2

- 6 + 8

= - 2

○●○●○●○●○●○●○●○●○●○●○●○●○●○

8 - ( - 3) - 5

8 + 3 - 5

= 6

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Ann [662]
The surface area would be 26.5487 m².

The surface area of a cylinder is equal to the area of the circles at both ends, added to the area of the rectangular portion in the middle.  The rectangle in the middle has a width equal to the circumference of the circle and a length equal to the height of the cylinder. 

The circumference of a circle is given by C = πd, and the area of the circles is given by A=πr².  

Since the height is in meters, we will convert it to cm.  3.5 m = 350 cm.
The diameter is 190 cm, so the radius is 190/2 = 95 cm.

This gives us:
SA = 3.14(190)(350)+2(3.14)(95)²
= 208810 + 56677 = 265487 cm² = 26.5487 m²
8 0
3 years ago
A grocery store paid $85 for 4 crates of milk. How much was one crate of milk?​
Ivan

Answer:

21.25

Step-by-step explanation:

85÷4=21.25

7 0
2 years ago
4 is the square root of which number ?
Tom [10]
Your answer would be two
6 0
3 years ago
I need help with this problem
kolezko [41]
I need help in life
7 0
2 years ago
4x(x-25)=0 how to solve the quadratic equations using any of the four methods?​
butalik [34]

Answer:

x=25 or x=0

Step-by-step explanation:

4x(x−25)=0

Step 1: Simplify both sides of the equation.

4x2−100x=0

For this equation: a=4, b=-100, c=0

4x2+−100x+0=0

Step 2: Use quadratic formula with a=4, b=-100, c=0.

x=−b±√b2−4ac over 2a

x=−(−100)±√(−100)2−4(4)(0) over 2(4)

x=100±√10000 over 8

x=25 or x=0

7 0
3 years ago
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