3 years ago

Please help find the answer

Mathematics

1 answer:

kykrilka [37]3 years ago

5 0

Just type it into ur calculator

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Sneha works two part-time jobs. One job is at a tutoring company that pays $19 an hour, and the other is pumping gas for $11.50

Dmitry_Shevchenko [17]

Answer:

$19x + 11.5y \geqslant 310$

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3 years ago

Show that (1 + 2V3)2 = 13 +4V3

Marta_Voda [28]

Answer:

(1+2V3)^2=13+4V3

<=> 1 +4V3 +12 = 13+4V3

<=> 1 +12 = 13

<=> 13=13

sorry if i wrong :(

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2 years ago

the NACI cafeteria wants to sell two 25 cm diameter medium size pizzas for the same price as one large pizza. what should the di

Alex777 [14]

Answer:

35.34 centimeters

Step-by-step explanation:

The amount of pizza is same as the area. The pizza is in a shape of a circle. The area of a circle is:

$A=\pi r^2$

Where

r is the radius (half of diameter)

Area of one medium size pizza is (diameter 25 means radius is 25/2 = 12.5):

$A=\pi r^2\\A=\pi (12.5)^2\\A=490.87$

So, area of two of these medium size pizzas is:

490.87 * 2 = 981.74

This should be the area of the large pizza. We can find the radius of that by substituting into formula. Shown below:

$A=\pi r^2\\981.75=\pi r^2\\r=\sqrt{\frac{981.74}{\pi}} \\r=17.67$

Hence, the diameter would be around:

17.67 * 2 = 35.34 centimeters

5 0

3 years ago

PLEASE HELP ASAP<br> Find the surface area and volume of the cylinder below:

Crazy boy [7]

Answer:

Surface Area: 848.23

Volume: 1727.88

Step-by-step explanation:

I know dis im in 8th grade iz ez!

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3 years ago

there is an unknown number in the sequence counting backward. The number is after 48. The number is before 46. What is the unkno

Ghella [55]

The unknown number is 47.

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2 years ago