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Lera25 [3.4K]
3 years ago
13

Is 21 to the square root of 2 rational or irrational

Mathematics
1 answer:
Step2247 [10]3 years ago
3 0
It is equal to 21/2 which is a rational number
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Harold bought 3 pounds of red apples and 4.2 pounds of green apples from a grocery store, where both kinds of apples are $1.75 a
Lelechka [254]
The answer is 11.6
add 3+4.2= 7.2 times 1.75
4 0
2 years ago
HELP ME PLZZ I NEED HELP WITH THIS!!
Alina [70]

Answer:

4.50

Step-by-step explanation:

First add 50 and 40 to get 90. Then multiply that by 0.05 to get 4.5.

8 0
3 years ago
What is 4 5/13 as a decimal rounded to the nearest tenth
MAXImum [283]

Answer:

4.4

Step-by-step explanation:

4 5/13 = 4 + 5/13 = 4 + 0.384615... = 4.384615...

Answer: 4.4

5 0
3 years ago
Read 2 more answers
Which equation should be used to calculate the 43rd partial sum for the arithmetic sequence.
MariettaO [177]

Answer: First Option : Sₙ= n/2(a₁ + aₙ)

Step-by-step explanation:

The nth partial sum of an arithmetic sequence or the sum of the first n terms of the arithmetic series can be defined as the sum of a finite number of term in an arithmetic sequence.

It is calculated using the formula:

Sₙ= n/2(a₁ + aₙ)

Where :

a₁ = First term

aₙ = last term

n = number of terms

6 0
2 years ago
Any suggestions or answers
Bad White [126]

Answer:

3m - 4

Step-by-step explanation:

Divide.

(15mn)/(5n) = 3m

(-20n)/(5n) = -4

3m - 4 is your answer.

~

7 0
3 years ago
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