Answer:
Step-by-step explanation:
Answer:
5 1/2 miles per 1 hr
Step-by-step explanation:
biked 1 3/8 miles in 1/ of an hour
1 3/8 miles = 11/8 miles in 1/4 of hour
11/8 miles divided by 1/4 hr
11/8 ÷ 1/4
11/8 * 4/1 =44/8 = 5 4/8 miles in 1 hr or 5 1/2 miles per 1 hr
<span><span><span><span>3</span><span>y</span><span></span></span>=<span><span>(x+1)</span><span>2</span></span></span>±√</span><span><span><span><span><span>3</span><span>y</span><span></span></span></span><span></span></span>=x+1</span>√<span><span><span><span><span><span>3</span><span>y</span><span></span></span></span><span></span></span>−1,−<span>√<span><span><span><span>3</span><span>y</span><span></span></span></span><span></span></span></span>−1=x</span>x=<span>√<span><span><span><span>3</span><span>y</span><span></span></span></span><span></span></span></span>−1,−<span>√<span><span><span><span>3</span><span>y</span><span></span></span></span><span></span></span></span>−<span>1</span>
</span>
Answer:
-9, -8
Step-by-step explanation:
x+(x+1)=7+3(x+1)
x+x+1=7+3(x+1)
2x+1=7+3(x+1)
2x+1=7+3x+3
2x+1=3x+10
2x+1-1=3x+10-1
2x-3x=3x-3x+9
-1x/-1=9/-1
x=-9/-8
(6x+5)^2 because both brackets have to have a plus in the middle to make the 25 positive and (6x5)x2 equals 60
