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IrinaK [193]
3 years ago
8

Cos9xcos4x help me please

Mathematics
1 answer:
expeople1 [14]3 years ago
3 0
\sqrt{x} eThe answer is: 22
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Given the two expressions shown below:
kobusy [5.1K]
<h2>Answer: A. Both are rational.</h2>

Step-by-step explanation:

Although both expressions have square roots, the result of each square root is an integer, which can be expressed as a fraction.

In this sense:

Rational numbers are all numbers that can be represented as the quotient (division) of two integer numbers. This means they can be represented as a fraction in which the denominator is nonzero.

If we solve both expressions, we will be able to see that the result is an integer that can be expressed as a fraction with two integers:

\sqrt{4} + \sqrt{25}=2 + 5= 7 The result is an integer

7=\frac{7}{1}

\sqrt{4} + \sqrt{9}= 2 + 3=5 The result is an integer

5=\frac{5}{1}

7 0
3 years ago
7EE2 7. In August, Cory begins school shopping for his triplet daughters. One day, he bought 3 packages of socks for $8 each and
NeTakaya

Answer:

3(8) + 3d

24+3d

Step-by-step explanation:

I am not sure which two answer choices you have provided for you but these two expressions work for this problem

4 0
3 years ago
Please help ill mark brainliest​
liraira [26]

Answer:

it's 11

Step-by-step explanation:

8 0
3 years ago
PLEASE HELP ME!!!!!!!!!!! WILL GIVE BRAINLIEST AND RATING!!!!!!!!!!!!
Kitty [74]
This will give us
2n-1-(-7n+2)=2n-1+7n-2=9n-3
That is the second option.
Please mark me as brainliest.
4 0
3 years ago
Alex is thinking of a doubles fact. The sum is greater than the sum of 7 7 but less than the sum of 8 9. What fact is Alex think
elena-14-01-66 [18.8K]
There has to be something in between the two numbers, for example 7 x 7 or 7+7 not just 7 7. Without the equation it would be highly impossible to answer :D
6 0
3 years ago
Read 2 more answers
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