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lilavasa [31]
3 years ago
15

Write a 2-column proof to prove the triangles congruent

Mathematics
1 answer:
Rom4ik [11]3 years ago
3 0

Sure.

Statement                   Reason

-----------------------------------------------

AB=PL                 |     Given

BC=LQ                |      Given

AC=PQ                |     Given

△ABC≅△PLQ   |      SSS

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Lian has $1.00. She has only nickels and dimes. Lian has twice as many dimes as nickels. How many dimes does she have?
Anna11 [10]

Answer: 8

Step-by-step explanation:

Given

Lian has \$1.00 and she has twice as many dimes as nickels

Suppose she has x nickels

So, the number of dimes is 2x

Nickel is equivalent to 5 cents and dime is equivalent to 10 cent

\therefore \ x(0.05)+2x(0.1)=1\\\Rightarrow 0.05x+0.2x=1\\\Rightarrow 0.25x=1\\\Rightarrow x=4

Therefore she has 8 dimes with her.

5 0
2 years ago
Convert 3 and 19/20 to a decimal
inysia [295]
3 is converted to 0.03
19/20 is converted to 0.95.
4 0
3 years ago
Will give 50 points!
BaLLatris [955]

The answer would be y=15x

Step-by-step explanation:

if y is equal to 15 times x then y=15x

6 0
3 years ago
What is the y-value of the solution to the system of equations? 3x + 5y = 1 7x + 4y = −13
brilliants [131]
3x + 5y = 1 . . . . . . . . (1)
7x + 4y = -13 . . . . . . .(2)
(1) x 7: 21x + 35y = 7 . . (3)
(2) x 3: 21x + 12y = -39 .(4)
(3) - (4) = 23y = 46
y = 46/23 = 2
6 0
3 years ago
In a theater, there are 4 long rows of chairs,each with an equal number of chairs There are 5 ahort rows of chairs,each with an
Hoochie [10]
<span>There are 4 long rows and 5 short rows in the theater. x represents the number of chairs in each long row and y represents the number of chairs in each short row.

So, total number of chairs in 4 long rows= 4x
Total number of chairs in 5 short rows = 5y
Total number of chairs in the theater on a normal day = 4x + 5y

When 2 chairs are added to each long row, the number of chairs will change to (x+2).
So, total number of chairs in 4 long rows will be = 4(x+2)

When 3 chairs are added to each short row, the number of chairs will change to (y+3)
So, total number of chairs in 5 short rows will be = 5(y+3)

Thus, total number of chairs in the theater in rush day = 4(x+2) + 5(y+3)
= 4x + 8 + 5y + 15
= 4x + 5y + 23

Thus we can say the number of chairs increase by 23 as compared to a normal day.
</span>
7 0
3 years ago
Read 2 more answers
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