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Maurinko [17]
3 years ago
8

Round the number 42.763 to 1 decimal place

Mathematics
2 answers:
stira [4]3 years ago
8 0
42.8 is the answer,
SOVA2 [1]3 years ago
7 0

Answer:

42.8

Step-by-step explanation:

42.763

You count back from the decimal point (the dot) by one and that is your one decimal place.

Numbers 5 - 9, when rounded up add one to the number above them and they and all numbers behind them turn into a zero. e.g 56 rounded to the nearest ten will give you 60

Numbers 0-4, when rounded up do not add one number above them but yet they and all numbers behind them still turn into zero. e.g 54 rounded to the nearest ten will give you 50.

So number 6 when rounded up adds one to 7. Then 6 and 3 turn into zero

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6x+3y=24<br><br> 3x-4y=-21<br> What is the solution of system of equations
mezya [45]

Answer:

i don't know if it is correct or not, sorry if i were mistaken

7 0
3 years ago
Jake bought 3 drawing pens for $8.07. Each pen costs the same amount. About how much did he spend for one pen? * 2 points
Marina86 [1]

Given:

Jake bought 3 drawing pens for $8.07.

Each pen costs the same amount.

To find:

How much did he spend for one pen?

Solution:

Let x be the cost of each pen. Then

Cost of three pens = 3x

Jake bought 3 drawing pens for $8.07.

3x=8.07

Divide both sides by 3.

x=\dfrac{8.07}{3}

x=2.69

Therefore, he spend $2.69 for one pen.

3 0
3 years ago
Supposed a Visa card had a credit card number of 4162 0012 3456789a where a is the check number what is the check number? A) 0 B
MrMuchimi

Answer:

Option B) 3

Step-by-step explanation:

we have the number

4162 0012 3456 789a

<u><em>Find the value of a (check number)</em></u>

step 1

Multiply every even-position digit (when counted from the right) in the number by two. If the result is a two digit number, then add these digits together to make a single digit

4162 0012 3456 789a

9(2)+7(2)+5(2)+3(2)+1(2)+0(2)+6(2)+4(2)

(18)+(14)+(10)+(6)+(2)+(0)+(12)+(8)

Remember that If the result is a two digit number, then add these digits together to make a single digit

so

(1+8)+(1+4)+(1+0)+(6)+(2)+(0)+(1+2)+(8)

(9)+(5)+(1)+(6)+(2)+(0)+(3)+(8)=34

step 2

add every odd-position digit

4162 00123456 789a

so

8+6+4+2+0+2+1=23

step 3

Adds  the result in step 1 and the result in step 2

34+23=57

The check-digit is what number needs to be added to this total to make the next multiple of 10

In our case, we’d need to add 3 to make 60

therefore

The check number is 3

6 0
3 years ago
Ruben bought 6 new books for his collection. This increased his collection by 12%. How many books does he have now?
Helen [10]
Let's create a variable to represent the size of Ruben's book collection prior to his buying the new books.  

B = number of books in Ruben's collection before buying new ones

So, we know that when he bought 6 books, this increased his collection by 12%.

12% of his book collection would be represented by 0.12B.  Therefore, we know that:

0.12B = 6

Divide both sides by 0.12, to get to B = 50.

However, you are being asked how many books does he have now.  B represents the number of books he had before.  Therefore you want to add back the 6 books he just bought.

The answer is 50 + 6 = 56


7 0
3 years ago
What is 5 x 5 is it 25 or 35
Marat540 [252]

Answer:

25 7 x 5 is 35

Step-by-step explanation:

hope this helps have a good rest of your afternoon :) ❤

4 0
3 years ago
Read 2 more answers
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