<span>If you put the 9cm and 2cm rods together end-on-end, the new length is 11cm. Now if you repeat this with the 7cm and 5cm rods that new length is 12cm, so the difference between the two is now 1 cm. It does not seem very practical to walk around measuring items using the rods like this, so you could then make a small rod or use a strip of paper equal to the difference (1cm) as a standard measuring tool.</span>
Answer:
Step-by-step explanation:
1000 - 10% = 900
Answer:
a.No
b.-7/2, it is at (4,-7/2)
c.-5?4, it is at (2,-5/4)
d.All real numbers except 6
e.3
f.-1/2
Step-by-step explanation:
a. Plug it in! f(5)=((5)+3)/((5)-6)=-8, so no!
b. Plug it in! f(4)=((4)+3)/((4)-6)=-7/2
c. Plug it in! f(2)=((2)+3)/((2)-6)=-5/4
d. If it were to be 6, then it would be 3/0 which would be undefined.
d.f(-3)=((-3)+3)/((-3)-6))=0/8
f.f(0)=((0)+3)/((0)-6)=-1/2
1. ok, so theres 8 red marbles, 6 blue marbles, and 6 white marbles so that makes
<span>8 + 6 + 6 = 20 marbles in total </span>
<span>the probability of the marble being white is 6/20 or 3/10 </span>
<span>so the probabilty of the marble NOT being white is 1 - (3/10) = 7/10 </span>
<span>and that matches up with choice e) </span>
<span>2. so the ratio of the sides of a triangle is 12:14:15, and the second one is similar. for this one we have to set up a proportion </span>
<span>since the shortest side of the second side is 8 inches, we can match it up with the shortest ratio of the first. and we kno the ratio of the longest side of the first triangle is 15, but we dont kno the the length of the longest side of the second triangle, so we can let that be our unknown, x. so the proportion we are going to set up is </span>
<span>8 / 12 = x / 15 </span>
<span>now cross multiply </span>
<span>12x = 120 </span>
<span>x = 10 </span>
<span>so the length of the longest side of the second triangle is 10 inches </span>
<span>that matches up with choice b)
OR
</span>1. 1 - 6/20 = 1 - 3/10 = 7/10
<span>Answer: (e) 7/10 </span>
<span>---------- </span>
<span>Ideas: Use complement set. </span>
<span>2. x:8 = 15:12 = 5:4 </span>
<span>Answer: (b) 10.0 </span>
I believe its the first one
--y<2/3--
Slope - up 2 over 3
dotted line because there is no or equal to
y< so shade down
--y>/=-x+2--
Negative slope
or equal to so solid line
y intercept 2
Y> shade up
