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OLga [1]
3 years ago
8

Find the scale factor,and find the unknown side lengths. Help if you can please

Mathematics
1 answer:
Burka [1]3 years ago
5 0

Step-by-step explanation:

Solution,

since two of these triangle are similar so,

i) LK/LJ=MN/NO

or,j/8=18/12

or,j=18×8/12

.°. j = 12m

ii)JK/JL=MO/NO

or,10/8=n/12

or,120/8=n

.°.n=15m

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Expressions in 1 variable If Z=135. 1/3 z+10?
Juli2301 [7.4K]

Answer:

55

Step-by-step explanation:

We are given the expression:

1/3z+10

We also are given z=135. Since z is equal to 135, we can substitute 135 in for z.

1/3(135)+10

Now, solve according to PEMDAS (Parentheses, Exponents, Multiplication, Division, Addition, Subtraction)

Multiply 135 by 1/3, or divide 135 by 3.

45+10

Add 45 and 10

55

7 0
3 years ago
Move values into the boxes to create an equation that represents "8 times h 24."
Aloiza [94]

Answer:

0+8

Step-by-step explanation:

add 8 each time

it is 0 because in times table if you have 8, 16 and 24 then you don't need to add it on or take away from it, so it will be 0.

I hope that helped.

7 0
3 years ago
Let f(x) = 2x–8 and g(x) = x + 2. Find f(g(x)) and g(f(x)).
Anna71 [15]

Answer:

g(f(x)) = 2x - 6

f(g(x)) = 2x - 4

Step-by-step explanation:

g(f(x)) = 2x - 8 + 2

g(f(x)) = 2x - 6

f(g(x)) = 2(x + 2) - 8

f(g(x)) = 2x - 4

8 0
3 years ago
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How many times greater is the value of the 2 in the thousands place than the 2 in the tens place in the number 742,025?
Mazyrski [523]
All you would have to do is look at the 2 in the place of the thousands which equals 2000, then look at the 2 that is in the place of the tens, which equals 20, so (this might get complicated) 2000/20 is... (If you need more help just tell me)
7 0
3 years ago
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What is the result of substituting for y in the bottom equation?
jeka57 [31]
The answer is the option A, which is: A. x-7=x²+2x-4
 The explanation is shown below:
To solve this problem you must apply the proccedure shown below:
 1. You have the following system equations given in the problem above:
 <span>y=x-7
 y=x²+2x-4
2. Therefore, when you substitute for y in the bottom equation, you obtain:
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8 0
3 years ago
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