Explain in full, is this congruent, not congruent, or not enough information?

Mathematics

1 answer:

nadya68 [22]3 years ago

5 0

It’s congruent. The line OL is shared which means it’s congruent for both triangles and since ON is congruent to ED, EN and OD have to be congruent.

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Two men ask you to guess their ages based on the following clues:

Stells [14]

Lets make x equal the the age of the younger man and y equal the age of the older man.
You are given x+y=76 and you can make the equation 2x+16=y since we are told that the older one is 16 more than twice the age of the younger one. Since we have 2 equations and with the same variable and one has y already written in terms of x (y=2x+16) i will use substitution and make the given equaton all in terms of x.
x+(2x+16)=76 (solve this for x)
3x+16=76
3x=60
x=20
Then you can solve for y using the equation the equaion x+y=76 since we now know x=20.
20+y=76
y=56

Second equation is y=2x+16 (can also be written as y-2x=16)
x=20
y=56

I hope this helps. If anything is unclear or you just want further explanation please let me know in the comments.

6 0

3 years ago

What does x-4over5=6over7 what doesx=

Jobisdone [24]

$x-\frac{4}{5}=\frac{6}{7}$

Pass the $\frac{4}{5}$ but change the signal

$x=\frac{6}{7}+\frac{4}{5}$

now we have to make the minimum common multiple of 7 and 5, this number will be 35 therefore

$x=\frac{6*5}{35}+\frac{4*7}{35}$

$x=\frac{30}{35}+\frac{28}{35}$

now we can add both

$x=\frac{30}{35}+\frac{28}{35}$

$x=\frac{30+28}{35}$

$\boxed{\boxed{x=\frac{58}{35}}}$

4 0

4 years ago

Read 2 more answers

Using only the numbers 4 through 12, fill in the circles so that the numbers on each straight line add up to 21

dangina [55]

Answer:

This was fun if you have anymore of these feel free to message me on here if you need help