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Korvikt [17]
3 years ago
8

What's the square root of 780 plus 2cubed

Mathematics
1 answer:
Stells [14]3 years ago
8 0
Take 780 divided by two which equals 390,
then you do 2 cubed which is 2x2x2 = 8
Lastly you take the 390 plus 8 which gets you
                                                                       398

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Find the length of YX
koban [17]

Answer:

YX = 22

Step-by-step explanation:

Similar triangles. So,

\frac{VW}{XW}=\frac{VZ}{YX}\\\\\frac{45}{30}=\frac{3x-9}{x+8}\\

Cross multiplication

45*(x+8) = 30 * (3x - 9)

45x + 360 = 90x - 270

360 = 90x - 270 - 45x

360 = 45x - 270

360 + 270 = 45x

45x = 630

x = 630/45

x = 14

YX = x +8 = 14 + 8 = 22

8 0
3 years ago
The length of the base of a right triangle is 18 cm and a height is 9 cm what is the area of the triangle
spin [16.1K]
The answer is 81cm^2.
The formula is height multiplied by base divided by 2.
5 0
3 years ago
I think my teacher thinks i am dumb in math! and i am to afraid to ask him a question because i don't get it and my brain blanks
d1i1m1o1n [39]
You can go to multiplication.com it helps a lot
4 0
3 years ago
Read 2 more answers
Pls help me!!!!!!???
frozen [14]
S) This question is asking me to find the volume of the backpack.

O) Identify the facts: compartment one is 14x3x10, compartment two is 12x2x10, Julissa got a new backpack
Eliminate the unnecessary facts: Julissa got a new backpack
List the necessary facts: compartment one is 14x3x10, compartment two is 12x2x10

L) I chose Multiplication, I will multiply the measurements of compartment one, then multiply the measurements of compartment two and add them together to find the volume of the backpack.

V) I think the backpack will be at least 300 inches cubed.
(SOLVING PART)
Compartment one: 12 times 2 times 10 = 240
Compartment two: 14 times 3 times 10 = 420
420 + 240 = 660

E) Julissa’s backpack is 660 inches cubed.

I hope this helps
4 0
3 years ago
PLZZZZ HEEELLPPP!!!!!!
butalik [34]
Answer is tan inverse6/7
4 0
3 years ago
Read 2 more answers
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