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marusya05 [52]
2 years ago
15

Help i hill give brainliest

Mathematics
1 answer:
lina2011 [118]2 years ago
8 0

Answer:

530.66 cm²

Step-by-step explanation:

take half the diameter of 26 and that gives you the radius of 13

A =π· r²

A = 3.14 x 169

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If f(x) is an exponential function where f(4) =17 and f (12.5) = 31, then find the value of f(18.5), to the nearest hundredth.
Svetradugi [14.3K]
Solution: f(18.5)=31.47

Step by step solution:
I started by making an equation in slope intercept form- I found the slope, 28/17, with the points (4, 17) and (12.5, 31). Then I found the y intercept, 1, with the point (4, 17). So the equation is y=28/17x+1. Then I just plugged 18.5 where the x is and solved for y

28/17(18.5)+1=y
28/17(37/2)+1=y
1036/34+1= y
30.47+1=y
y=31.47

Keep in mind that 1036/34 is not exactly 30.47 but that 30.47 was rounded to the nearest hundredth

Hope this helps :)
7 0
2 years ago
Y=2x-4 how do i find this solution?
True [87]

Answer:

2

Step-by-step explanation: 0 = 2x - 4                            

                                             2x = 4

                                                      x = 2

3 0
2 years ago
Please help I will be very grateful for this. pls also explain it will really help.
Leto [7]
<h3>Answer: A) 1/8</h3>

Assuming the events "baby is a boy" and "baby has blue eyes" are independent, we simply multiply the given fractions to get (1/2)*(1/4) = 1/8

3 0
3 years ago
Help me please thank you
Over [174]

<u><em>Both the statement and its contrapositive are true. </em></u>A right angle will always be 90 degrees, so both are true.

8 0
3 years ago
Read 2 more answers
A map has a scale of 1: 500 000.
Shkiper50 [21]

Answer:

350km

Step-by-step explanation:

If a map has a scale of 1: 500000, then 1 cm on the map is 500000 cm

So 7 cm on the map is 35000000 cm = 350 km

8 0
2 years ago
Read 2 more answers
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