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nikitadnepr [17]
3 years ago
5

Alex runs 3 laps around a course that is 1 3/4 miles long how far did he run?

Mathematics
1 answer:
Anvisha [2.4K]3 years ago
6 0
That would be 5.25 miles 
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Write an equation for the line that has a slope of -4 and passes through the point (2,-3)
faltersainse [42]

Answer:

y = -4x + 5

Step-by-step explanation:

y = -4x + b

-3 = -4(2) + b

-3 = -8 + b

5 = b

4 0
3 years ago
A 7-kilogram bag of lollipops costs $42.14. What is the unit price?
Tanya [424]

Answer:

$6.02

Step-by-step explanation:

Divide the price of the lollipops by the weight

price/weight

42.14/7=6.02

So, the unit price is $6.02 per kilogram

Hope this helped!

8 0
3 years ago
Check my steps and for part b, the professor wants us to show are work and I don't know how to solve it by hand.
Ugo [173]
Part a is correct.

Part b can be done a couple ways.
1) Use binomial distribution. p = 0.2, n = 144
P(x>3) = 1 - P(x=0) -p(x=1) -p(x=2) -p(x=3)
where
P(x=k) = (nCk)p^k (1-p)^{n-k}

2) Assume a normal distribution with mean = 28.2, stdev = 4.8
z = \frac{4 - 28.2}{4.8} = -5.04
Look up z-value in normal table to find probability.

Hope that helps.
4 0
3 years ago
Plzz i need help with this can somebody help me?
Olin [163]

Answer:

the answer is b

Step-by-step explanation:

if u divide .14 by .2

its gonna give u .8

2 times 8 is 16 but there are two decimals so its .16

hope this helps

6 0
2 years ago
Solve for A if F=MA and F=10 and M=2.5
gogolik [260]

Answer:

\boxed{\sf A = 4}

Given:

F = MA

F = 10

M = 2.5

To Find:

Value of A

Step-by-step explanation:

\sf Substituting \ values \ of \ F \ and \ M \ in \ F = MA:

\sf \implies 10 = 2.5A

\sf \implies 2.5A = 10

\sf Dividing \ both \ side \ of \  2.5A = 10 \ by \ 2.5:

\sf \implies \frac{2.5}{2.5} A  =  \frac{10}{2.5}

\sf \frac{2.5}{2.5}  = 1 :

\sf \implies  A  =  \frac{10}{2.5}

\sf \frac{4 \times  \cancel{2.5}}{ \cancel{2.5}}  = 4 :

\sf \implies A = 4

3 0
3 years ago
Read 2 more answers
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