Answer:
7.321852048×10³⁰
Step-by-step explanation:
Answer: 22
Step-by-step explanation:
4 - (-18) = 4 + (+ 18) = 22
Answer:
1 hour
Step-by-step explanation:
if he spends 2 hours on his math, then half of that is 1 hour. However, if it's saying that be spend 2 hours on math and english <em>combined</em>, then the answer would only be 30 minutes. Hope this helps (:
Since it says the sum of any number not one in specific then the value will be x, plus the sum of 7,
Answer:
<h3>
x = -5, y = 7</h3>
Step-by-step explanation:
-3x + y = 22 ⇒ y = 3x + 22
-12x - 10y = -10 and y = 3x + 22
-12x - 10(3x + 22) = -10
-12x - 30x - 220 = -10
+220 +220
- 42x = 210
÷(-42) ÷(-42)
x = -5
y = 3(-5) + 22 = -15 + 22 = 7