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natita [175]
3 years ago
7

Which property was used to write the equation in step 2

Mathematics
1 answer:
Kay [80]3 years ago
3 0
Ask the question better, or include PT1 and I'll answer it better
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How many whole numbers between 99 and 999 contain the digit '1'?
Sedbober [7]

Answer:

162

Step-by-step explanation:

The number with "1" digit starts with 101 then 110 and so on.

6 0
3 years ago
Read 2 more answers
PLEASE HELP...AGAIN this is due tomorrow and it's late at noon..
dimaraw [331]
What do you need help with and what subject
4 0
3 years ago
Orders for a computer are summarized by the optional features that are requested. The proportion of orders with no optional feat
Scorpion4ik [409]

Answer:

(a) 71.00%

(b) 63.00%

Step-by-step explanation:

No optional features = 0.29

One feature = 0.34

Two features = 0.37

(a) The probability that an order requests at least one optional feature is 100% minus the probability of an order requesting no optional features:

P=1-0.29=0.71=71.00\%

(b) The probability that an order does not request more than one optional feature is 100% minus the probability of an order requesting two optional features:

P = 1 -0.37=0.63 = 63.00\%

3 0
3 years ago
Let F be the function given by f(x)= 2xe^x. Determine the interval(s) on which the graph is concave down.
Vika [28.1K]
Hello,

y=2xe^x
y'=2(e^x+xe^x)=2(x+1)e^x
y''=2(e^x+(x+1)e^x)=2(x+2)e^x

x     |-infinite   -2  0    +infinite
e^x | ++++++++++++++++++
x+2 |------------0 +++++++++++
y''    | -----------0 +++++++++++

y''<0 if x<-2
<span>The interval on which the graph is concave down is (-infinite -2[</span>

7 0
3 years ago
Shane is goin to the movies with his friends.His mom give them $15.00 to spend on snacks. Drinks cost $2.00 each and candy cost
RUDIKE [14]
<h3>- - - - - - - - - - - - - - - ~<u>Hello There</u>!~ - - - - - - - - - - - - - - - </h3>

➷ Simply divide the values:

15/2 = 7.5

Shane can buy 7 drinks

OR

15/3 = 5

Shane can buy 5 candies.

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ Hannah ♡

3 0
3 years ago
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