Answer:
image isn't loading for me :((( can you try replying to me w the question
Please try to ask seperate questions instead of asking a whole bunch of questions (my opinion)
answers since too much work to show completely
17. x=5, y=1 so the annswer is (5,1)
18. quarters are worth 0.25 and nickes are woth 0.05, represent quarters as q and nickels as n so total cois=n+q and total value=0.25q+0.05n .total= 30 so the equations would be
n+q=200
0.05n+0.25=30
answer is n=100
19. answer x=-1 y=4 so answer is (-1,4)
20. so 12=4r+1b and 8=1b+2r
answer red=2lb blue=4lb
21. the only one in the shaed are is (1,-4)
(1,-4) is the naswer
22. it satisfies only one and is NOT part of the solutin set
23. the answer with 'h<u>></u>20' and '3.50p+8h<u><</u>200 (the third one) is correct
24. so jusr remember it is in (x,y) form so just look for the coorrect answer
answer is the fourth one (0,0), (0,1) , (6,3), (6,13)
25. not sure but min is 2
26. y=2
second one
27. y<-5/4x+3 first one
ANSWERS.
17. first
18. third
19. fourth
20. third
21. fourth
22. third
23.third
24. fourth
25. not sure but min is 2
26. second
27. first
The sum of x and y decreased by their product...
(x + y) - xy <== ur expression
<em>Answer:</em>
<h3>
<em>B'=</em><em>(</em><em>1</em><em>6</em><em>,</em><em>1</em><em>4</em><em>)</em></h3>
<em>It </em><em>is </em><em>clear </em><em>from </em><em>the </em><em>co-ordinates</em><em> </em><em>of </em><em>the </em><em>square </em><em>that </em><em>CD </em><em>is </em><em>parallel </em><em>to </em><em>X </em><em>axis </em><em>and </em><em>BC </em><em>is </em><em>parallel </em><em>to </em><em>y-axis.</em><em> </em><em>So,</em><em>X=</em><em>8</em><em>,</em><em>y=</em><em>7</em>
<em>so </em><em>the </em><em>co-ordinates</em><em> </em><em>of </em><em>B=</em><em>(</em><em>8</em><em>,</em><em>7</em><em>)</em>
<em>Now </em><em>after </em><em>dilation</em><em> </em><em>of </em><em>factor </em><em>2</em><em>,</em><em> </em><em>all </em><em>coordinates</em><em> </em><em>will </em><em>be </em><em>multiplied</em><em> </em><em>by</em><em> </em><em>2</em><em>.</em>
<em>So </em><em>B'=</em><em>(</em><em>1</em><em>6</em><em>,</em><em>1</em><em>4</em><em>)</em>
<em>hope </em><em>it</em><em> helps</em>
Is that 5^x=81.2?
5^x=81.2 take the natural log of both sides
xln5=ln81.2 divide both sides by ln5
x=ln81.2/ln5
x≈2.7320 (to nearest ten-thousandth)
If you just meant 5^x=81, the process is the same
5^x=81 take the natural log of both sides
xln5=ln81 divide both sides by ln5
x=ln81/ln5
x≈2.7304 (to nearest ten-thousandth)