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marta [7]
2 years ago
8

How many numbers are from k to n? (Including k and n.)

Mathematics
1 answer:
shepuryov [24]2 years ago
7 0

Answer:

<em>n</em> - <em>k</em> + 1

Step-by-step explanation:

This is assuming (because you did not say) that <em>n</em> and <em>k</em> are integers and <em>n</em> is greater than <em>k</em>.

Example: from 2 to 5 {2, 3, 4, 5} includes 5 - 2 + 1 = 4 numbers.

Example: from -6 to 4 includes 4 - (-6) + 1 = 11 numbers, namely {-6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4}

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PLEASE HELP ME IM HONESTY SO CONFUSED WITH THE ANSWERS GIVEN
Drupady [299]

Answer:

C. The sum of 18 and half the product of 9 and 4.

8 0
1 year ago
10 children equally share 40 almonds <br> How many almonds will 3 children get
pochemuha
The answer is 12

Explanation:

First for this you need to find out how much each child gets

(40 divided by 10)
Each child gets 4 almonds.

If 3 children put their almonds together they will have 12.

(3 times 4)

Brainliest my answer if it helps you out
3 0
2 years ago
If f(x)=3x-2 and g(x)=x^2+1, find f(g(-1)) and g(f(3))
julsineya [31]

Answer:

f(g(-1))=4

g(f(3))=50

Step-by-step explanation:

We know the definition of both functions: f(x)=3x-2, and g(x)=x^2+1

A) In order to evaluate what f(g(-1)) is, let's first investigate what g(-1) is using the definition for this function:

g(x)=x^2+1\\g(-1)=(-1)^2+1\\g(-1)=1+1\\g(-1)=2

Now let's find what f(2) is using f(x) definition: f(x)=3x-2\\f(2)=3(2)-2\\f(2)=6-2\\f(2)=4

B) In order to evaluate what g(f(3)) is, let's first investigate what f(3) is using the definition for this function:

f(x)=3x-2\\f(3)=3(3)-2\\f(3)=9-2\\f(3)=7

Now let's find what g(7) is using the definition for this function:

g(x)=x^2+1\\g(7)=(7)^2+1\\g(7)=49+1\\g(7)=50

4 0
3 years ago
2(x + 1 ) - 3(x + 5) ≥ 0<br> pls help
Furkat [3]

Answer:

x≤−13

Step-by-step explanation:

isolate the variable by dividing each side by factors that don't contain the variable

6 0
2 years ago
Z2+4z-165=(z-11)(z+-15)
Contact [7]

Answer: look at the picture

Step-by-step explanation: Hope this help :D

8 0
3 years ago
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