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eimsori [14]
3 years ago
13

What number can you add to ✔️2 (sqrt of 2) to get a rational number?

Mathematics
1 answer:
Scilla [17]3 years ago
3 0

Answer:

A.

Step-by-step explanation:

Because sqrt2+(-sqrt2)=0

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A collection of 19 coins consisting of nickels and dimes is worth $1.35. How many dimes are there
pshichka [43]

Answer:

There are 8 dimes there.

Step-by-step explanation:

This question is solved used a system of equations.

I am going to say that:

x is the number of nickels.

y is the number of dimes.

19 coins

This means that x + y = 19.

A nickel is worth $0.05. A dime is worth $0.1. The total of these coins is $1.35. So

0.05x + 0.1y = 1.35

How many dimes are there?

We have to find y.

From the first equation: x = 19 - y.

Replacing in the second:

0.05(19 - y) + 0.1y = 1.35

0.95 - 0.05y + 0.1y = 1.35

0.05y = 0.4

y = 0.4/0.05

y = 8

There are 8 dimes there.

3 0
3 years ago
What are the minimum, first quartile, median, third quartile, and maximum of the data set?
allochka39001 [22]
If we rearrange the given data set from lowest to highest, we have 
     3,\:6,\:7,\:8,\:10,\:12,\:15,\:18

The minimum is 3.

The first quartile is the average of 6 and 7, which is 6.5

The median is the average of 8 and 10 which is 9.

The third quartile is the average of 12 and 15 which is 13.5.

The maximum is 18. 
4 0
3 years ago
3: A car travels 120 miles in 3 hours at a steady speed.
maks197457 [2]

Answer:

40 in 1 hour

320 in 8 hours

Step-by-step explanation:

3 0
3 years ago
So idk what 4.25 is rounded to the neatest 10 can you help?
s344n2d4d5 [400]

Answer:not the answer person but wouldn't it be 4 cause it's not more then half of the number lol.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Which equation shows the commutative property of multiplication?
Sophie [7]

Answer:

the answer is 7•2=2•7

Step-by-step explanation:

Hope it helps.

5 0
3 years ago
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