3 years ago

2. (-9 + 12) - (-7)

Mathematics

2 answers:

julia-pushkina [17]3 years ago

6 0

Answer:

Step-by-step explanation:

(-9 + 12) - (-7) = 4 -(-7)

= 4 + 7

= 11

Sign of 9 is (-)

Sign of 12 is +. So subtract and the answer will have the sign of bigger number

12 - 9 = 4 and bigger number is 12 and sign of 12 is +.so +4

Aleonysh [2.5K]3 years ago

3 0

Answer:

(-9+12)=3

3-(-7)=

3+7

ans=10

You might be interested in

the ordered pair (1, 4) is a solution to the system of equations true or false HELPPPPP!!!! (picture attached)

stiv31 [10]

True because you need to plug in x and y

3 0

3 years ago

Read 2 more answers

YOU BE THE TEACHER Your friend finds the sum.

il63 [147K]

Answer: My friend is correct.

Step-by-step explanation:

<em>Adding a negative is the same as subtracting a positive.</em>

$9 + (-6) = 3$

$9 - 6 = 3$

$3 = 3$

Hope this helps! Have a great day!

5 0

3 years ago

Read 2 more answers

Simplify x0 y-3/x2 y-1

Natali5045456 [20]

Answer:

x^0 y^-3 / x^2 y^-1

= 1 / x^2 y^-1 (y^3) ...because x^0 = 1 and [(y^-1) (y^3)] = y^2

= 1/(x^2 y^2)

6 0

4 years ago

Choose all the expression that are equal to 0.75×0.5

seropon [69]

It is the third and fourth one only

8 0

3 years ago

Solve 12x-4y=20 for y

Evgen [1.6K]

Omg I love this formula hang on Ill comment answer below

5 0

3 years ago

2. (-9 + 12) - (-7) ​

2. (-9 + 12) - (-7)