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PolarNik [594]
3 years ago
13

Which of the following methods of timekeeping is the least precise?

Mathematics
2 answers:
katen-ka-za [31]3 years ago
8 0
I think C would be your answer
Verizon [17]3 years ago
5 0

Answer:

na D cause imagine always observing the seasons bro

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Katrina and Becca exchanged 270 text messages in 45 minutes. An equal number of texts was sent each minute. The girls can send 9
Bas_tet [7]

Answer: 540

Step-by-step explanation: 270/45=6 (6*90)=540

3 0
3 years ago
Factorize:<br>3a^2 + 10a + 3​
sergey [27]

Answer: (3a + 1) (a + 3)

Step-by-step explanation:

<u>Concept:</u>

Here, we need to know the idea of factorization.

It is like "splitting" an expression into a multiplication of simpler expressions. Factoring is also the opposite of Expanding.

<u>Solve:</u>

Given = 3a² + 10a + 3

<em>STEP ONE: separate 3a² into two terms</em>

3a

a

<em>STEP TWO: separate 3 into two terms</em>

3

1

<em>STEP THREE: match the four terms in ways that when doing cross-multiplication, the result will give us 10a.</em>

3a     1

a       3

When cross multiply, 3a × 3 + 1 × a = 10a

<em>STEP FOUR: combine the expression horizontally to get the final factorized expression.</em>

3a  ⇒   1

a   ⇒    3

(3a + 1) (a + 3)

Hope this helps!! :)

Please let me know if you have any questions

7 0
3 years ago
Lisa paid $43.95 for 16.1 gallons of gasoline.What was the cost per gallon,rounded to the nearest hundreth?Show your work
Rashid [163]

2.73

You need to divide 43.95 by 16.1 then round it off. That is how you get 2.73. I hope this helps and good luck!


8 0
4 years ago
Please help! this is kind of easy
solniwko [45]

Answer:

1st integer=x

2nd integer=x+1

3rd integer=x+2

4th integer=x+3

 

2(x +(x+2))= 3(x+1) +11

 

solve

 

2 (2x +2) = 3x + 3 + 11

 

4x + 4     = 3x + 14

 

-3x-4       =-3x -4

 

 

           x=10

 

1st integer=10

2nd integer=11

3rd integer=12

4th integer=13

Step-by-step explanation:

hopefully this helped

4 0
3 years ago
Read 2 more answers
At the city museum, child admission is $5.30 and adult admission is $9.60. On Thursday, 117 tickets were sold for a total sales
ExtremeBDS [4]
The answer is 160 children’s tickets were sold that day
6 0
3 years ago
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