3 years ago

If c not equal be a rational number and d be an irrational number. then c×d is

Mathematics

1 answer:

melamori03 [73]3 years ago

8 0

When you multiply a rational and an rational you always get an irrational. answer 3

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PLSS HURRY FOR 50 POINTS

serg [7]

A !!!!!!!!!!!!!!!!!!!

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Write the expression as one<br> involving only sin x and cos x.<br> sin 2x + cos x

AfilCa [17]

Answer:

sin 2x + cos x = 2 sin x cos x + cos x = (2 sin x + 1)cos x

Step-by-step explanation:

Given the expression: sin 2x + cos x,

then we can use the formula: sin 2x = 2 sin x cos x, which gives:

sin 2x + cos x = 2 sin x cos x + cos x = (2 sin x + 1)cos x

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A cylinder and a cone have the same base and height. The cylinder can hold about 4,712 Centimeters cubed of sand. Jared says tha

klasskru [66]

Answer:

C. Jared is not correct because the cone and the cylinder have the same base and height so the cone holds 4,712/3≈1,571 centimeters cubed of sand.

Step-by-step explanation:

We have a cone and a cylinder with the same base and height.

We can express the volume of the cylinder as:

$V_{cyl}=\pi r^2H$

being r the radius and H the height.

The volume of the cone can be written as:

$V_{con}=\dfrac{\pi}{3}r^2H=\dfrac{V_{cyl}}{3}$

As they have the same base and height, we know that the volume of the cylinder is 3 times the volume of the cone.

If the volume of the cylinder is 4,712 cm^3, then the volume of the cone is:

$V_{con}=\dfrac{V_{cyl}}{3}=\dfrac{4,712}{3}\approx1571$

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Is 5 a solution of the equation? 13 - d = 8

crimeas [40]

Yes because 13-5=8. not any other single number can be identified in the missing number

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maks197457 [2]

WELL 22.5/32 is 70% so to just get that you need to get roughly 9.5 questons wrong

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