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murzikaleks [220]
3 years ago
14

Question

Mathematics
1 answer:
shusha [124]3 years ago
5 0

Answer:

5x cars

Step-by-step explanation:

(# of cars washed) = (# cars washed per day)(# of days)

                                        =  (x/day)               *       (5 days)   = 5x

                                                                                                   cars                          

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Plz answer asap!!!!!!!!!!!!!!!!!!!!!!
user100 [1]

Answer:

It can be represented by the expression 2r, or “two times the radius.” So if you know a circle's radius, you can multiply it by 2 to find the diameter; this also means that if you know a circle's diameter, you can divide by 2 to find the radius. Find the diameter of the circle.

Step-by-step explanation:

you'r welcome :)

6 0
2 years ago
#8: Linda is saving for retirement. She invest $12,000 in a retirement fund
mestny [16]

Answer:

12000(1+.04)^x

Step-by-step explanation:

12000(1+.04)^x

4 0
2 years ago
A multiple-choice standard test contains total of 25 questions, each with four answers. Assume that a student just guesses on ea
weqwewe [10]

Answer:

a)  8*88*10⁻⁶ ( 0.00088 %)

b) 0.2137 (21.37%)

Step-by-step explanation:

if the test contains 25 questions and each questions is independent of the others, then the random variable X= answer "x" questions correctly , has a binomial probability distribution. Then

P(X=x)= n!/((n-x)!*x!)*p^x*(1-p)^(n-x)

where

n= total number of questions= 25

p= probability of getting a question right = 1/4

then

a) P(x=n) = p^n = (1/4)²⁵ = 8*88*10⁻⁶ ( 0.00088 %)

b) P(x<5)= F(5)

where F(x) is the cumulative binomial probability distribution- Then from tables

P(x<5)= F(5)= 0.2137 (21.37%)

7 0
3 years ago
Help please !!!!!!!!!!!!
Anastasy [175]

Answer:

X=10 and

y = 5 \sqrt{3}

4 0
3 years ago
Someone please help!!!!
natali 33 [55]
H<-12

6*-2=-12
Flip the sign and it equals
h<-12
8 0
3 years ago
Read 2 more answers
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