Answer:
? = −0.6
Step-by-step explanation:
If you preform the opposite operation, you get what ? equals.
-2.1 + 1.50 = -0.6
When a number has an exponent of 2 by it (x^2) , it means it's squared and that's it
I think.....
Answer:
-3
Step-by-step explanation:
-7b = 21
/ -7 / -7
b = -3
Answer:
4.05
Step-by-step explanation:
multiply the following
add the sum (3.5+0.55)
you'll get 4.05
Answer:
10 + 9 = n
19 apples
Step-by-step explanation:
80 ÷ 8 = y and 56 ÷ 6 = a
n = y + a
80 ÷ 8 × 8 = y × 8
80 = 8y
80 ÷ 8 = 8y ÷ 8
y = 10
54 ÷ 6 = a
54 ÷ 6 × 6 = a × 6
6a = 54
6a ÷ 6 = 54 ÷ 6
a = 9
10 + 9 = n
19 = n
