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malfutka [58]
2 years ago
15

1. What is the cross section formed by cutting a cylinder perpendicular to its base?

Mathematics
1 answer:
tatyana61 [14]2 years ago
3 0

Answer:

1

Depends on the cross section axis

place a cylinder can on a table , circular and side down .Look down at it and you see the other end so the cross section is circle

Turn it on its side and the cross section is rectangle

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<img src="https://tex.z-dn.net/?f=%20%5Cfrac%7B1%7D%7Bx%5E%7B2%7D%20-%201%20%7D%20%20-%20%20%5Cfrac%7B1%7D%7Bx%20-%201%7D%20" id
Degger [83]

Answer:

-x/x^2-1

Step-by-step explanation:

-x^2+x/x^3-x^2-x+1

x(-x+1)/(x+1)(x-1)(x-1)

-x/x^2-1

5 0
3 years ago
If 30g of sugar is needed to make 4 cakes how much grams of sugar is needed to make 7 cakes
arsen [322]
There's two ways to do this.

The first way:
Work out the amount of sugar needed to make one cake, and then multiply that by 7.

30 grams ÷ 4 cakes = 7.5 grams for 1 cake.
7.5 grams × 7 cakes = 52.5 grams for 7 cakes.

The second way:
Work out the ratio of sugar:cake by doing 7 ÷ 4, and then multiplying that value by 30.

7 cakes ÷ 4 cakes = 1.75
1.75 × 30 grams = 52.5 grams for 7 cakes. 

Either way, the answer is 52.5 grams.
6 0
3 years ago
Sam lives near a lagoon in the Caribbean that is populated by flamingos. Sam decides to figure out approximately how many flamin
klasskru [66]

Answer:

about 330

Step-by-step explanation:

280 rounded is 330 and 30 is already rounded so you would add 30 plus 330

5 0
3 years ago
ANSWER PLEASE QUICK!! I AM ON A TIMERRR
Fynjy0 [20]

Answer:

smaller x is  to the power of 2 3x is the larger.

Step-by-step explanation:

5 0
3 years ago
4x - 7y = 3 <br> x - 7y = 15
charle [14.2K]
\left \{ {{4x-7y=3} \atop {x-7y=15}} \right. \\\\&#10; \left \{ {{4x-7y=3} \atop {x=15+7y}} \right. \\\\ substitution\ method\\\\&#10;4*(15+7y)-7y=3\\\\&#10;60+28y-7y=3\\\\&#10;60+21y=3\ \ \ \ | subtract\ \\\\&#10;21y=-57\\\\&#10;y=-\frac{57}{21}=-\frac{19}{7}\\\\&#10;x=15+7*(-\frac{19}{7})=15-19=-4\\\\\ Solution :\  \left \{ {{y=-\frac{19}{7}} \atop {x=-4}} \right.
5 0
3 years ago
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