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soldier1979 [14.2K]
2 years ago
7

Anyone know the answer if u do then plz help!

Mathematics
1 answer:
olga nikolaevna [1]2 years ago
3 0

Answer:

615.44 in.^2

if you are satisfied with my answer, please mark brainliest :D

Step-by-step explanation:

Diameter=28

Radius=14

Pi times radius squared

14 times 14 times 3.14 equals 615.44

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F(z) = (z - 5)(2x + 7) (73 = 3) has zeros at x = -3.5, x=3/7 , x=5 What is the sign of f on the interval 3/7 < x <5?
Gwar [14]
<h3>Answer:     Negative</h3>

======================================================

Explanation:

3/7 = 0.42857 approximately

Pick a number between that value and 5, not including either endpoint. Let's say we pick x = 2

Plug x = 2 into the f(x) function

f(x) = (x - 5)(2x + 7)(7x-3)

f(2) = (2 - 5)(2*2 + 7)(7*2-3)

f(2) = (2 - 5)(4 + 7)(14-3)

f(2) = (-3)(11)(11)

f(2) = -363

The actual result doesn't matter. All we're after is whether the result is positive or negative. We see the result is negative. This means f(x) is negative when 3/7 < x < 5. The f(x) curve is below the x axis on this interval.

3 0
3 years ago
542 using base ten blocks
zhuklara [117]
5 big cubes 4 longs and 2 small cubes
7 0
3 years ago
Read 2 more answers
Evaluate<br> 8.2+(3+0<br> ——<br> 3
jenyasd209 [6]

Answer:

11.2

Step-by-step explanation:

well i'm guessing that you didn't finish you parenthesis and if you did they would be around the 0 and 3 so 3 plus 0 is 3 and 3 plus 8.2 is 11.2 so I believe your answer is 11.2.  Sorry if it is wrong the question didn't really make sense.

Please mark brainliest

5 0
2 years ago
The one whoever solved it until 11 :00 am will be markrd as the branliest plus 20 points it arrange in ascending order with meth
Monica [59]

Answer:  

1)  1/6, 1/3, 1/2, 3/4

2)  3/10, 2/5, 7/10, 4/5

3)  1/4. 7/12. 2/3, 5/6

4)  4/15. 11/30, 2/5, 7/10

Step-by-step explanation:  Either convert all in a set to a common denominator, or convert to decimal fractions.

5 0
2 years ago
Write an equation for a line passing through (-4, 3) and (0, 6)
Elena L [17]

Answer:

y = 3/4x + 6

Step-by-step explanation:

6-3          3

------- =  ------

0--4        4

y = mx + b

take coordinates for y and x out of (-4, 3) or (0,6)

6= 3/4 * 0 + b

6 = 0 + b

b = 6

7 0
3 years ago
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