WILL GIVE BRANLIEST,VOTE, AND RATE!!!!!!!!!!!

Mathematics

1 answer:

kondaur [170]3 years ago

4 0

Step-by-step explanation:

1st digit is 1 number (1)

2nd digit is (3,4,5) so it's 3 numbers

third digit is (6,7,8,9) is it's 4 numbers

last 7 digits is 10 (0,1,2,3,4,5,6,7,8,9)

multiply

1*3*4*10=120

so answer is 120 phone numbers

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3 years ago

What is the solution to the linear equation?<br><br> 4b + 6 = 2 – b + 4

Lady_Fox [76]

Answer:

The answer is b=0

Step-by-step explanation:

Add b to both sides

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2 years ago

Read 2 more answers

A real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found tha

egoroff_w [7]

Answer:

Between 21 years and 75 years

Step-by-step explanation:

Given that a real estate company is interested in the ages of home buyers. They examined the ages of thousands of home buyers and found that the mean age was 48 years old, with a standard deviation of 9 years.

X the ages of home buyers is N(48, 9)

a) $30\leq x\leq 66\\|x-48|\leq 18\\|x-48|\leq 2\sigma$