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artcher [175]
3 years ago
8

Alex's times for running a mile are Normally distributed with a mean time of

Mathematics
1 answer:
madam [21]3 years ago
7 0

Answer:

.13

Step-by-step explanation:

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Solve this following system by graphing <br> X-y=4<br> X+y=2
OverLord2011 [107]

Answer:

The answer is x = 3 and y = -1

Step-by-step explanation:

If you were to graph the two lines, their equations would be y = x - 4 and y = -x + 2. The two lines intersect at the point (3, -1), so the solution to the system is x = 3 and y = -1.

5 0
2 years ago
Find the area of the composite shape below<br> help me
Ivenika [448]

Answer:

743.13

Step-by-step explanation:

area of the rectangle is 33x11 which is 363 and there are two equal half circles so we can just pretend they are connected so the radius is 11 A=pi times radius^{2} which is 380.13 then add both of them and you get 743.13

8 0
2 years ago
If f(x) = 3x2 - x, find f(-2).<br><br> 10<br> 14<br> 38
mojhsa [17]

f(x) = 3x^2-x

F(-2)

 replace x with -2

3(-2)^2 - -2 =

3*4 +2 = 14

 Answer is 14


6 0
3 years ago
Read 2 more answers
What is the opposite of -4? *
alexandr402 [8]

Answer:

4

Step-by-step explanation:

5 0
3 years ago
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Jasmine wants to earn $2,000 in simple interest through a
Ierofanga [76]

Answer:

$10000

Step-by-step explanation:

First, converting R percent to r a decimal

r = R/100 = 5%/100 = 0.05 per year,

then, solving our equation

P = 2000 / ( 0.05 × 4 ) = 10000

P = $ 10,000.00

The principal required to

accumulate interest of $ 2,000.00

on a rate of 5% per year for 4 years is $ 10,000.00.

3 0
2 years ago
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