#1
<span>−3</span>−16<span>=<span><span>−3</span>+<span>−16</span></span></span><span>=<span>−19</span></span>#2
<span>7−2</span><span>=<span>7+<span>−2</span></span></span><span>=5</span>#3
<span><span>−10</span>+8</span><span>=<span><span>−10</span>+8</span></span><span>=<span>−2</span></span>#4
<span>3+47</span><span>=<span>3+47</span></span><span>=<span>50</span></span>
Answer:
311.2
Step-by-step explanation:
for these kind of problems its best to put it in a calculator to get a quick and accurate answer
Answer:
3 pieces of strawberry cake
Step-by-step explanation:
Given data shows they took six pieces and then 9 more.
2/6 or 1/3 were strawberry cake.
1/3 of 9 = 3 pieces of strawberry cake
Step-by-step explanation:
f(-1) =4.5
use this desmos, desmos is the best graphing calculator
Replace the second equation y=3x+4 into the first one:
2(3x+4)+5x=30
Now solve for x:
6x+8+5x=30
11x=30-8
11x=22
x=22/11
x=2
Finally, replace x=2 into y=3x+4
y=3*2+4
y=6+4 = 10
So the anwer is x=2, y=10