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Delicious77 [7]
3 years ago
9

Write an expression with a value of 12.it should contain four numbers and two different operations

Mathematics
1 answer:
sergey [27]3 years ago
4 0
Roughly what I gave your doppelganger (you + 1) a few minutes ago . . .

       [ (4 + 3)² - 1 ]  divided by  (7 - 3) .

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How can we solve proportions? ( 2 words)
Vilka [71]

Answer:

Equality

Inequality

Step-by-step explanation:

3 0
4 years ago
The backgrounds on three computer screens are set to change after a specified amount of time, as
KengaRu [80]

Answer:

-6 7/hr= -6F per hour

Step-by-step explanation:

a rate of change can be defined as:

R=(total change in some quantity) (time in which the change happened)

In this case we know that the temperature dropped -30F in a given time, then we already know that:

Total change in some quanity =-30F now we know that this change took place between the 1:00pm and the 7:00 pm the total amount of ime between these two hours is:

T= (7.00 - 1.00 hr)= 6.00 hr

this means that the change happened =6 hours.

then we can replace these values in the above equation to get:

R=(-30F)/(6hr)=-6F/hr

this means that for each hours that passes the temperature decreases 6F

we also can write that this rate as:

R=-6F/HR =-6F per hour.

4 0
3 years ago
Six and seven on this wkst!!!!!
Sholpan [36]

Answer:

6.) x=5/4

7.) x=-6

Also, since your worksheet in paratheses says it would help to graph number 7, I attached a graph for it. :)

Step-by-step explanation:

Just ask!

Hope this helps. :))

Sorry if I'm wrong.

~Happy Holidays!!~ o(* ̄▽ ̄*)ブ

4 0
3 years ago
Answers? can someone help me please
vovangra [49]
I pretty sure the form is 2, and she bought 10 books, 5b-7=58
7 0
4 years ago
Read 2 more answers
A factory makes car batteries. The probability that a battery is defective is 1/11. If 500 batteries are tested, about how many
valentinak56 [21]

Answer:

45.45 batteries

Step-by-step explanation:

The probability of any random battery being defective is 1 in 11, the number of expected defects in a population of 500 batteries is given by:

E= \frac{1}{11}*500\\E=45.45\ batteries

45.45 batteries are expected to be defective.

3 0
4 years ago
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