Solve for a.a+(−7)=−17

What is the answer?

a=−24

a=−10

a = 10

a = 24

Answers

Answer 1

Answer: a + (-7) is the same as a - 7, so you could rewrite it as
a - 7 = -17
+ 7
a = -10
So your answer is a = -10, I hope this helps!

Answer 2

Answer:

Answer:

-10

Step-by-step explanation:

just took the test

Evaluate C(7, 5).

21
42
1,008

Answer:

Step-by-step explanation:

This is a combination of 7 objects taken 5 at a time

nCr = n! / r! * (n - r)!

7C5 = 7! / (5! (7-5)!)

= 7! /(5! 2!)

= (7*6*5*4*3*2*1)

-----------------------

5*4*3*2*1 * 2*1

Canceling

= 7*6/ (2*1)

= 21

15: Mollie has d apples. Frankie has 7 more apples.Write an expression for the number of apples that
Frankie has.