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2 years ago

Helppppppppppppppppp

Mathematics

1 answer:

AfilCa [17]2 years ago

6 0

Answer:

sana all may loptop hahhahhaha

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These cylinders are similar. Find the surface

diamong [38]

Answer:

Surface Area = 6.28 x 5.223 x 3 + 6.28 x 10.446 = 164 cm^2Step-by-step explanation:

A=2πrh+2πr2

When we divide 245 by 1.5 we find 164cm^2

8 0

3 years ago

Please hlelp meeeeeeeeeeeeee i need help

monitta

Answer:

3/4

Step-by-step explanation:

Total number of cases = 8 [1,2,4,2,5,3,1,2]

No. of number less than 4 = 6 [1,2,2,3,1,2]

Probability = 6/8 = 3/4

4 0

3 years ago

Read 2 more answers

The difference between two numbers is 10 and their sum is four times the smaller number Find the two numbers.

Sati [7]

A = larger number

B = smaller number

A -B = 10

A + B = 4B

A=10+B

10+B+B = 4B

10 +2B = 4B

10=2B

B = 10/2 = 5

A = 10+5 =15

15-5 =10

15+5 = 20, 4*5 = 20

the numbers are 5 & 15

6 0

3 years ago

Help algebra 2 please

34kurt

Answer:

option 4

Step-by-step explanation:

(f*g)(x) =(x² + x+ 1)*(x² - x -1)

= x²*(x² - x -1) + x(x² - x -1) + 1*( x² - x -1)

= x²*x² - x²*x -x²*1 + x*x² - x*x -x*1 + x² - x -1

= x⁴ - x³ - x² +x³ - x² - x + x² - x -1

= x⁴ - x³ + x³ - x² - x² + x² - x - x - 1

= x⁴ - x² - 2x - 1

4 0

3 years ago

Read 2 more answers

For each real number x, f(x) is defined to be the smallest of the values of 2x + 3, 3x - 2 and 25 - x. What is the maximum value

BigorU [14]

9514 1404 393

Answer:

17 2/3

Step-by-step explanation:

A calculator or spreadsheet can figure this. The maximum of f(x) is found where 3x-2 intersects 25-x.

2x +3 = 25 -x

3x = 22

x = 22/3 = 7 1/3

25 -7 1/3 = 17 2/3 . . . . maximum value of f(x)

_____

Note in the graph that the slope of f(x) decreases at about x=5. The expression with the lower positive slope is 2x+3. So, it is that expression that must equal the expression with the negative slope.

8 0

3 years ago