Answer:
l= 30 w= 10
Step-by-step explanation:
Answer:
It is.
Step-by-step explanation:
1.5cm is in the plan.
1.92m is in real life.
We need to convert m to cm so 1.92m=192cm
The ratio is 1:128.
1.5cm in plan as is 192 cm in real life.We write that as the ratio of: 1.5 : 192.
We need to prove that it is the actual scale so we equal this ratio(1.5:192) and the other ratio(1:128):
1.5 : 192 = 1 : 128
Then we multiply the numbers that are in and out of the equation like this:
1.5 * 128 = 192 * 1
192 = 192 It is proven beacuse the numbers are equal. The scale of the house is 1:128
Answer:
k<-62/7
Step-by-step explanation:
I hope it helps.
<h3><u>Q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h3>
If x - y = 3
Work out the value of 5(x - y)
<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u>:-</h3>
x - y = 3 ( Given )
5(x - y) = 5 × 3 = 15 [ as x - y = 3 ]
_____________________________________
<h3><u>Q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h3>
If x - y = 3
Work out the value of 2x - 2y
<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u>:-</h3>
x - y = 3 ( Given )
2x - 2y = 2(x - y) = 2 × 3 = 6 [ as x - y = 3 ]
_____________________________________
<h3><u>Q</u><u>u</u><u>e</u><u>s</u><u>t</u><u>i</u><u>o</u><u>n</u>:-</h3>
If x - y = 3
Work out the value of y - x
<h3><u>A</u><u>n</u><u>s</u><u>w</u><u>e</u><u>r</u>:-</h3>
x - y = 3 ( Given )
y - x = -3 [ as x - y = 3 ]
_____________________________________
Assume the original mass,
a=100, then we know
p(t)=0.6*100=60,
h=100,
Substitute into equation and solve for t.
60=100*(1/2)^(t/100)
divide by 100
0.6=(1/2)^(t/100)
take log on both sides
log(0.6)=(t/100)log(1/2)
divide each side by log(1/2)
t/100=log(0.6)/log(0.5)
t=100log(0.6)/log(0.5)
=100(-0.5108)/(-0.6931)
=73.70 days, approximately
