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GrogVix [38]
3 years ago
6

The two right triangles on the graph below are similar.

Mathematics
1 answer:
ss7ja [257]3 years ago
4 0

Answer:

B is the correct chose

Step-by-step explanation:

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The equations 2 x minus 5 y = negative 5, 11 x minus 5 y = 15, 9 x + 5 y = 5, and 14 x + 5 y = negative 5 are shown on the graph
Dafna11 [192]

Answer:

See attached graph

Step-by-step explanation:

8 0
3 years ago
onsider the following problem: A box with an open top is to be constructed from a square piece of cardboard, 3 ft wide, by cutti
Sholpan [36]

Answer:

V (max)  = 2 ft³

and x side of the base is  x  =  0,5 feet

Step-by-step explanation:  See annex ( two different cubes)

We have a square piece of cardboard of  3 inches wide

Let  x be lenght of side to cut in each corner

Then the base of the (future cube) is    3  -  2x,  and the area is  

( 3 - 2x )²

And  the height   is x  Then volume of the cube as a function of x is:

V(x)  =  ( 3 - 2x )² *x   or       V(x)  =    ( 9 + 4x² - 12x )*x

V(x)  =  4x³  -  12x²  + 9x

Taking derivatives on both sides of the equation

V´(x)  =  12x² - 24x  + 9

V´(x)  =  0       12x² - 24x  + 9  =  0   simplifying   4x² - 8x  + 3  =  0

Second degree equation solving for x

x₁,₂ =  [ 24 ± √( 576) - 432  /24

x₁,₂ =  [24 ±√144 ]/24

x₁,₂ = ( 24 ± 12) /24         x₁  =  1.5 feet        x₂  = 0,5 feet

Of these two values we have to dismiss x₁  because if  x = 1.5 we don´t have a cube ( 0 height )

Then we take x  = 0,5  feet

And

V (max)  =  (2)²*0,5   =  4*0,5

V (max)  = 2 ft³

5 0
3 years ago
A cafeteria sells 30 drinks every 15 minutes. Predict how many drinks the cafeteria sells every hour. Help!
coldgirl [10]

Answer:

120 drinks and hour

Step-by-step explanation:

15 min is a quarter of an hour so we just got to times the 30 drinks by 4. Simple math really.


Hope this helps:)

6 0
3 years ago
Read 2 more answers
What can u use to float a boat
Mamont248 [21]
Air? Unless you mean like a toy boat? IDK, I do know that huge ships like the Titanic are able to float because they have trapped oxygen. Think about if you're swimming; often when you hold your breath you float a bit better than if you were heavily breathing. Sorry i know its not alot to go off of, did i help you a little?
5 0
3 years ago
Read 2 more answers
1 + 1 equals???????????
lesantik [10]

two !

hAhA jK iTs 75

6 0
2 years ago
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