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2 years ago

11

Help pldssshdhhfhfhtj

2 answers:

cupoosta [38]2 years ago

5 0

C cccccccccccccccccccccccccccc

artcher [175]2 years ago

4 0

Answer:

Some grass seeds can cover 1000 square feet with just 1 pound

Step-by-step explanation:

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find the present value that will grow to $7000 if the annual interest rate is 3.5% compounded quarterly for 9 uears

Gwar [14]

PV=FV/(1+i)^t

FV=7000, i=3.5%=0.035,t=9

put everything in the formula
PV=7000/(1+0.035)^9
PV=$5136.12

7 0

3 years ago

What division equation is related to 4*6=24

kvv77 [185]

Maybe something like 24/4=6. so sorry if I'm incorrect.

8 0

3 years ago

Read 2 more answers

Alex is 22 years older than Lana. Four years ago Lana’s age was one-half of Alex’s current age. How old was Alex four years ago?

katen-ka-za [31]

Answer:

33

Step-by-step explanation

22 divided by 2 is 11

it says four years ago so add 11 and 4 and that equals 15

she is 15 right now. then add 22 which is 37 and subtract 4 which your answer would be 33

7 0

3 years ago

Read 2 more answers

Didn’t learn this good

patriot [66]

.059, you move the decimal point two times to the left and the other way around when you want to convert into a percent

4 0

3 years ago

A manufacturer produces piston rings for an automobile engine. It is known that ring diameter is normally distributed with milli

skelet666 [1.2K]

Complete Question:

A manufacturer produces piston rings for an automobile engine. It is known that ring diameter is normally distributed with ? = 0.001 millimeters. A random sample of 15 rings has a mean diameter of \bar{X}= 74.106. Construct a 99% two-sided confidence interval on the true mean piston diameter and a 95% lower confidence bound on the true mean piston diameter.

(Round your answers to 3 decimal places.)

(Calculate the 99% two-sided confidence interval on the true mean piston diameter.

Answer:

99% true sided confidence Interval on the true mean Piston diameter = (74.105, 74.107)

Step-by-step explanation:

Check the attached file for the complete solution

3 0

3 years ago