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Fynjy0 [20]
3 years ago
15

The sum of two integers is +15 and one of them is - 7. Which is the next integer?

Mathematics
1 answer:
ohaa [14]3 years ago
6 0

Answer:

22

Step-by-step explanation:

Sum of two integers is 15. One integer is -7 and suppose other integer is x. Then  

x+(-7)=15

x=22

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I need help boi a(c – b) = d c =
alexandr1967 [171]

Hello from MrBillDoesMath!

Answer:

c = d/a + b


Discussion:

I think the Question is missing a comma.  Assuming you are trying to find the value "c",

a(c-b) = d  =>                               divide both side by "a"

(c-b) = d/a =>                               add "b" to both sides

c-b + b = d/a + b =>                      as -b + b = 0

c = d/a + b




Thank you,

MrB

5 0
3 years ago
If an=5n-3 find the common difference​
elena55 [62]

Answer:

Hi here is your answer

an=5n-3

an-1= -3+5n

an-1= -3+5(n-1)

an-1= -3+5n-5

an-1= 5n-7

d= an- an-1

d=(5n-3)-(5n-7)

d=5n-3-5n+7

d=4

Answer: d = 4

Hope this helps you.

3 0
3 years ago
Read 2 more answers
If there are four teams in a league, how many games will have to be played so that each team plays every other team once?
Sedaia [141]

Answer:

6 matches

Step-by-step explanation:

Let’s call the teams A B C D

A will play B C D = 3 matches

B will play only C and D as it already played A, making 2 matches

C will play D, making 1 match

D has already played all

Total number of matches is thus 3 + 2 + 1 = 6 matches

3 0
3 years ago
A school director Must randomly select 6 teachers to participate in a training session there are 30 teachers at the school in ho
Ede4ka [16]

Solution:

we are given that

A school director Must randomly select 6 teachers to participate in a training session there are 30 teachers at the schoo. The order of selection does not matter.

As we know

6 teacheras can be selected out of 30 teacher in {30}_C_6 ways.

{30}_C_6=\frac{30!}{6!24!}\\
\\  {30}_C_6=\frac{25*26*27*28*29*30}{1*2*3*4*5*6}\\
\\  {30}_C_6=593775

Hence the required number of ways is 593775.

7 0
2 years ago
Suppose <br> f '(x) = xe^−x^2
iogann1982 [59]
<h3>Answers:</h3>
  • (a) The function is increasing on the interval (0, infinity)
  • (b) The function is decreasing on the interval (-infinity, 0)

=======================================================

Explanation:

You should find that the derivative is entirely negative whenever x < 0. This suggests that the function f(x) is decreasing on this interval. So that takes care of part (b).

The interval x < 0 is the same as -infinity < x < 0 which then translates to the interval notation (-infinity, 0)

Similarly, you should find that the derivative is positive when x > 0. So the function is increasing on the interval (0, infinity)

6 0
3 years ago
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