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mojhsa [17]
3 years ago
11

If K is the midpoint of segment JL, JK = 2x+10 and KL = 3x-12 find J

Mathematics
1 answer:
Gennadij [26K]3 years ago
4 0

I hope this helps you

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How do I find if the graph is a function in pre-algebra
jek_recluse [69]

Answer:

Step-by-step explanation: if there is more than 1 coordinates on a line and you can find out by a line test

3 0
4 years ago
Richard, Angad and Paul share £108 in a ratio 2:3:1. How much money does each person get?
Natasha2012 [34]

Answer:

Step-by-step explanation:

If R, A, and P all share 108 pounds in the ratio of 2 to 3 to 1, then

2x + 3x + 1x = 108 and

6x = 108 so

x = 18.

R holds the ratio of 2x, so he gets 2(18) which is 36;

A holds the ratio of 3x, so he gets 3(18) which is 54;

P holds the ratio of 1x, so he gets 1(18) which is 18.

36 + 54 + 18 better equal 108...and it does!

7 0
3 years ago
Plz explain.This to me will brainliest.
Alex777 [14]

\$228.75\ per\ week\\\\one-fifth\to\dfrac{1}{5}\ of\ her\ earnings\ each\ week\ is\ equal\\\\\dfrac{1}{5}\cdot\$228.75=\$45.75\\\\\text{How much money will she have saved after 2 months?}\\\\Two\ months\ it's\ 59-62\ days.\ It's\ less\ than\ 9\ weeks.\\Calculate\ for\ 8\ weeks.\\\\Therefore\ your\ answer\ is\ \$45.75\cdot8=\$366.00

8 0
3 years ago
Expression 1<br> 6 x 7 - 3² - 9 x 9 + 4³<br><br> What is the value of Expression 1?
tamaranim1 [39]
6*7-9-9*9+64
42-9-81+64
16
6 0
3 years ago
Read 2 more answers
Solve nonhomogenous equation: x"+4x=cost
motikmotik

Answer:

x(t) = Acos 2t + B sin 2t+\frac{cost}{3}

Step-by-step explanation:

Given is a non homogeneous second degree equation as

x"+4x=cost

Auxialary equation is

m^2+4 =0\\m = 2i, -2i

Hence general solution is

x = Acos 2t + B sin 2t

Particular integral is = \frac{cost}{D^2+4}

Since t has coefficient 1, we substitute

D^2 =-1\\PI = \frac{cost}{-1+4} =\frac{cost}{3}

Hence full solution is

x(t) = Acos 2t + B sin 2t+\frac{cost}{3}

6 0
3 years ago
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