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sweet [91]
3 years ago
10

Write two decimals that can be rounded to 2.5

Mathematics
2 answers:
zheka24 [161]3 years ago
8 0
2.48 can be rounded pretty much any number between 2.45 to 2.5
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Fed [463]3 years ago
8 0
2.46 and 2.49 would be an answer
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Given: F(x) = 3x^2+1, G(x) = 2x - 3, H(X) = x<br> Find F(x) + G(x) =
weqwewe [10]

F(x)+G(x)=3x^2+2x-2.

Solution:

Given data: F(x)=3x^2+1 and G(x)=2x-3

To find F(x) + G(x):

Adding two functions which gives another function.

Substitute F(x) and G(x), we get

F(x)+G(x)=(3x^2+1)+(2x-3)

                    =3x^2+1+2x-3

                    =3x^2+2x-3+1

                    =3x^2+2x-2

F(x)+G(x)=3x^2+2x-2

Hence, F(x)+G(x)=3x^2+2x-2.

4 0
3 years ago
Find the largest positive integer that will divide 542, 436, 398 leaving reminders 7, 11, 15 respectively
saveliy_v [14]

Answer:

17

Step-by-step explanation:

Here in this question for finding the numbers that will divide 398, 436 and 542 leaving remainder 7, 11 and 15 respectively we have to first subtract the remainder of the following. By this step we find the highest common factor of the numbers.

And then the required number is the HCF of the following numbers that are formed when the remainder are subtracted from them.

Clearly, the required number is the HCF of the numbers 398−7=391,436−11=425, and, 542−15=527

We will find the HCF of 391, 425 and 527 by prime factorization method.

391=17×23425=52×17527=17×31

Hence, HCF of 391, 4250 and 527 is 17 because the greatest common factor from all the numbers is 17 only.

So we can say that the largest number that will divide 398, 436 and 542 leaving remainders 7, 11 and 15 respectively is 17.

Note: - whenever we face such a type of question the key concept for solving this question is whenever in the question it is asking about the largest number it divides. You should always think about the highest common factor i.e. HCF. we have to subtract remainder because you have to find a factor that means it should be perfectly divisible so to make divisible we subtract remainder. because remainder is the extra number so on subtracting remainder it becomes divisible.

8 0
3 years ago
Write a recursive rule for the sequence. Assume it starts with the 1st term. 10, 14, 18, 21...
Papessa [141]

Option D is correct. The correct option for the recursive formula is f(0) =6;f(n)=f(n - 1)+4

Given the sequence 10, 14, 18...

The first term is 10, hence

a1 = 10

The previous terms will be a_{n-1}

From the sequence, we can see that <em>4 is being added to the previous term to get the next term</em>. Hence the nth term will be expressed as:

a_n = a_{n-1} + 4

Get the term before the first term a_0

If n = 1

a_1 = a_{1-1} + 4\\a_1 = a_{0} + 4\\a_0=a_1-4\\a_0=10-4\\a_0=6

Hence the correct option for the recursive formula is f(0) =6;f(n)=f(n - 1)+4

Learn more here: brainly.com/question/18233843

3 0
3 years ago
A long distance phone call between two cities costs $3.43 for 7 minutes. What is the rate in cents per minute?
Evgesh-ka [11]
3.43 dollars divided by 7 minutes = 0.49 cents
4 0
3 years ago
2x2x2x2x2x22x2x2x2x2x22x2x2x2x2x2x2x22x2x2x2x2x2x2x22x2
statuscvo [17]

Answer:

a big number

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
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