Ask question

Ask question

All categories

2 years ago

12

A 3 digit number whose ones digit is three times its hundreds digit & whose tens digit is twice its hundred digit. What is t

he number

1 answer:

Mariana [72]2 years ago

4 0

123, 246, and 369 all do the job.

You might be interested in

15. The height and yolume of a cylinder are 4cm and 616cm respectively. Calculate the diameter of the base. (take t = 27 쪽 A. 7c

irakobra [83]

Step-by-step explanation:

Given that,

Height of cylinder = 4 cm
Volume of cylinder = 616 cm³

To find,

Diameter of the base = ?

Firstly we'll find the base radius of the cylinder.

$\longmapsto\rm{V_{(Cylinder)} = \pi r^2h}\\$

<u>Accordi</u><u>ng</u><u> </u><u>to</u><u> </u><u>the</u><u> </u><u>qu</u><u>estion</u><u>,</u>

$\longmapsto\rm{616= \dfrac{22}{7} \times r^2 \times 4}\\$

$\longmapsto\rm{616 \times 7 = 22 \times r^2 \times 4}\\$

$\longmapsto\rm{4312 = 88 \times r^2 }\\$

$\longmapsto\rm{\cancel{\dfrac{4312}{88}} = r^2 }\\$

$\longmapsto\rm{49 = r^2 }\\$

$\longmapsto\rm{\sqrt{49} = r }\\$

$\longmapsto\rm{7 \; cm = r }\\$

Now,

$\longmapsto\rm{Diameter = 2r }\\$

$\longmapsto\rm{Diameter = 2(7 \; cm) }\\$

$\longmapsto\bf{Diameter = 14 \; cm}\\$

The required answer is 14 cm.

4 0

2 years ago

Here are four straight line equations.

AnnyKZ [126]

lines a and d are parallel and lines b and c are parallel

6 0

2 years ago

✨✨✨IDENTIFY THE DOMAIN AND RANGE OF EACH. THEN SKETCH THE GRAPH✨✨✨ PLS HELPPPPPPP

Nana76 [90]

Answer:

A

Step-by-step explanation:

The graph stops at the point (-1,-3) so

The domain (x) would have to be <u>greater</u><u> </u><u>than</u><u> </u><u>or</u><u> </u><u>equal</u><u> </u><u>to</u><u> </u><u>-</u><u>1</u>

The range (y) would be <u>greater</u><u> </u><u>than</u><u> </u><u>or</u><u> </u><u>equal to</u><u> </u><u>-</u><u>3</u>

6 0

3 years ago

Graph the hyperbola with equation quantity x plus 3 squared divided by 25 minus the quantity of y plus 5 squared divided by 4 =

aleksandr82 [10.1K]

Hello,

Please, see the graph in the attached file.

Thanks.

7 0

3 years ago

Read 2 more answers

The product of two consecutive numbers exceeds the square

Lyrx [107]

Answer:

20,21

Step-by-step explanation:

Let x be the first number.

Let y be the 2nd number.

Given y - x = 1 (since they are consecutive)

Rearrange it: y = x+1 (equation 1)

Also given:

$xy-20=x^{2}$ (equation 2)

Now we can substitute y = x + 1 into equation 2.

$x(x+1)-20 = x^{2} \\x^{2} +x-20 = x^{2} \\x-20=x^{2} -x^{2} \\x-20=0\\x=20$

Since we know x, the smaller number is 20, we can substitute to equation 1 to find y, the larger number.

y = 20+1

= 21.

Therefore the 2 numbers are 20 and 21.

8 0

1 year ago