Answer:
d = √(x²~x¹)² + (y²-y1)²
Step-by-step explanation:
√(1--3)² + (7-2)²
the square root covers everything
then put this answer on the calculator
The answer is D
Hope that was fast enough
Answer:
98
Step-by-step explanation:
Add them all up. 60+20= 80+18 = 98.
<span>1) p<span>(<span><span>7p</span>−3</span>)
</span></span><span> =<span><span>(p)</span><span>(<span><span>7p</span>+<span>−3</span></span>)
</span></span></span><span> =<span><span><span>(p)</span><span>(<span>7p</span>)</span></span>+<span><span>(p)</span><span>(<span>−3</span>)
</span></span></span></span><span> =<span><span>7<span>p2</span></span>−<span>3<span>p
Answer is: 7p2-3p
2) 3(2y-1)+2(3y+1)
Distribute:
=(3)(2y)+(3)(-1)+(2)(3y)+(2)(1)
Combine Like Terms:
=6y+-3+6y+2
=(6y+6y)+(-3+2)
=12y+-1
Answer is: 12y-1
3) </span></span></span></span><span>u<span>(<span><span>3u</span>+2</span>)</span></span>+<span><span>2u</span><span>(<span>u−1</span><span>)
</span></span></span><span> Distribute:
</span>=<span><span><span><span><span>(u)</span><span>(<span>3u</span>)</span></span>+<span><span>(u)</span><span>(2)</span></span></span>+<span><span>(<span>2u</span>)</span><span>(u)</span></span></span>+<span><span>(<span>2u</span>)</span><span>(<span>−1</span><span>)
</span></span></span></span>=<span><span><span><span><span>3<span>u2</span></span>+<span>2u</span></span>+<span>2<span>u2</span></span></span>+</span>−<span>2<span>u
</span></span></span><span>Combine Like Terms:
</span><span><span><span>3<span>u2</span></span>+<span>2u</span></span>+<span>2<span>u2</span></span></span>+<span>−<span>2<span>u
</span></span></span><span>(<span><span>3<span>u2</span></span>+<span>2<span>u2</span></span></span>)</span>+<span>(<span><span>2u</span>+<span>−<span>2u</span></span></span><span>)
</span></span>5<span>u<span>2
</span></span><span>
The answer is: </span>5<span>u and the unit of 2</span>
5<span>u<span>2</span></span><span>
</span>
He might use half on Saturday and half the next day
