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lara [203]
3 years ago
11

5

tex-formula"> +11= 191
(what does x equal?)
Mathematics
1 answer:
AlladinOne [14]3 years ago
4 0
X=6
First subtract 11 from both sides and you'll get 5x^2=180 then divide 180 by 5 which equals 36 you get x^2=36 find square root of 36 is 6
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Light travels at 3.0 x 108 km/s. How far does light travel in 5 minutes?
masya89 [10]
3.0 x 10^8 km/s is how far light travels.
3.0 x 10^8 km/s x 60s is how far light travels in a minute
3.0 x 10^8 x 60 x 5 is how far light travels in 5 minutes, and you should get D as your answer.
7 0
3 years ago
Read 2 more answers
I'd greatly appreciate the help-
dem82 [27]

Answer:

The 3rd option

Step-by-step explanation:

To prove that 2 triangles are similar, we need to prove that 2 pairs of their angle measurements are congruent.

This is because all triangles have 180 degrees, so if 2 pairs are congruent, the remaining angles will also be congruent

We know that m<D=m<E

We also know that m<DCA=m<ECB because they are vertical angles.

Vertical angles are always congruent.

Therefore, the triangles are similar.

The correct similarity statement would be 1, since <D corresponds with <E.

Now let's look at the 3rd Statement. To prove that two lines are similar, we would have to prove that their alternate interior angles are congruent.

A pair of alternate interior angles would be <D and B or or <E  and <A

There is no way to prove this, since we do not know any of the angle  or that measurements or if the triangles are isosceles triangles.

Hence, the correct choice would be 1 only.

7 0
3 years ago
PLEASE HELP FAST!!!!!!!!!!!!!!!!!!!!!! Which two numbers on the number line have an absolute value of 1?
Alisiya [41]

Answer:

Step-by-step explanation:

-1 and 1.

They are both 1 away from 0, meaning that the absolute value of both are 1.

7 0
3 years ago
Can you relly much help me do this
slava [35]
Hey!
So It would be set up as .75n -2 = 10
.75 is the same as 3/4
Now add 2 to both sides
.75n = 12
now we want to get n alone so that we know what the number is, so divide .75 to both sides since it's multiplied to n
n=16
The answer is D!
Hope this helps!
5 0
3 years ago
Find the total surface area of this triangular prism,<br> 30 cm<br> 18 cm<br> 7 cm<br> 24 cm
andriy [413]
Add them all up then divide then by 4 you will get 19.75cm
7 0
3 years ago
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