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sashaice [31]
3 years ago
9

What is 4.21 rounded to the nearest whole number?

Mathematics
2 answers:
Gre4nikov [31]3 years ago
7 0
The answer is 4 because you round down due to the .2 not being greater than 5
SSSSS [86.1K]3 years ago
3 0

4 because the 21 is less than 50 so it goes straight to the 4
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Please help me solve 3x + 4y =15 and 3x - y = 30 it is for Algebra I
Makovka662 [10]

Answer:

Step-by-step explanation:

Given the simultaneous equation

3x+4y=15. Equation 1

3x-y=30. Equation 2

Using elimination method

Sutract equation 2 from 1

Then, will have

3x-3x+4y--y=15-50. -×-=+

4y+y=-15

5y=-15

Divide Both sides by 5

y=-15/5

y=-3

From equation 2

3x-y=30

3x--3=30

3x+3=30

3x=30-3

3x=27

Divide both side by 3

x=27/3

x=9

Then, x=9 and y=-3

7 0
3 years ago
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Vsevolod [243]

Answer:

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Step-by-step explanation:

6 0
3 years ago
Melissa collected data from a group of people regarding whether or not they prefer turkey or ham and whether or not they prefer
dedylja [7]

Answer:

I’m pretty sure it’s B)- Z

Step-by-step explanation:

18. The correct table must display the following information.

38% prefer turkey with mayonnaise 20% prefer turkey with mustard 24% prefer ham with mayonnaise 18% prefer ham with mustard

In tables Z and W, each table totals 50 people.

To find the relative frequencies of the data in these tables, divide each number in the table by 50.

In tables X and Y, each table totals 100 people.

To find the relative frequencies of the data in these tables, divide each number in the table by 100.

The only table which is a possible representation of the data collected is table Z.

Likes Baseball

Does Not Like Baseball

Total

Likes Football Does Not Total Like Football

0.50 0.64 0.54

0.50 0.36 0.46 1.00 1.00 1.00

Mayonnaise Mustard

Total

Turkey

19 ÷ 50 = 0.38

10 ÷ 50 = 0.20

29 ÷ 50 = 0.58

Ham

12 ÷ 50 = 0.24

9 ÷ 50 = 0.18

21 ÷ 50 = 0.42

Total

31 ÷ 50 = 0.62

19 ÷ 50 = 0.38

50 ÷ 50 =1.00

3 0
3 years ago
Which statements must be true?
Lorico [155]
Take a look at the picture and note that the same tick marks represent that they are congruent parts. 

A. UV is parallel to JL. Yes, this is correct. They are parallel because they don't intersect at any point.

B. UW = 12KL. This is incorrect. The truth is, UW = (1/2)(KL). If this is a typo error and there should've been a '/' in between 1 and 2, then this is acceptable.

C. UW = VW. As you can see, UKVW is a rectangle. They have two pairs of congruent sides. And UW≠VW, so this is incorrect.

D. UV = UK. The diagonal of a rectangle is never equal with one of its sides. So, this is incorrect.

E. JK = 2VW. Since VW=UK and we can see that twice the length of UK is equal to JK, then this is correct.
6 0
3 years ago
Steve spent 45 minutes on his history homework and 1 hour on his math homework. He talked on the phone for 15 minutes and then w
alekssr [168]
6:30
- :20
----------
6:10
- :15
---------
5:55
- 1:
----------
4:55
- :45
--------
4:10 was when he started history
8 0
3 years ago
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