All categories

3 years ago

How do you write this as an equation. Pls help A number multiplied by 2/5 is 3/20 .

Mathematics

1 answer:

Naddika [18.5K]3 years ago

5 0

Answer:

2/5x = 3/20 or 2/5 *x = 3/20

Step-by-step explanation:

These are the same thing just different ways to write. The x represents the unknown number

You might be interested in

When the quotient of a long division problem has a remainder, it means the

Makovka662 [10]

( divisor / dividend ) does not go into the same Evenly

5 0

3 years ago

Is 1/4 bigger than 0

Helga [31]

Yes, it is bigger than 0

3 0

3 years ago

Find the surface area of a right cone with diameter 30 in. and slant height 8 in.Your answerEXTRA CREDIT: Find the surface area

Anon25 [30]

<u>Answer:</u>

Surface area = 1084 in²

<u>Step-by-step explanation:</u>

To find the surface area of a right cone, we can use the following formula:

$\boxed{{Area = \pi r^2 + \pi rl}}$ ,

where:

• r = radius

• l = slant height.

In the question, we are told that the diameter of the cone is 30 in. Therefore its radius is (30 ÷ 2 = ) 15 in. We are also told that its height is 8 in.

Using this information and the formula above, we can calculate the surface area of the cone:

Surface area = $\pi \times (15)^2 + \pi \times 15 \times 8$

= $345 \pi$

$\approx$ 1084 in²

6 0

1 year ago

Find \tan\left(\frac{17\pi}{12}\right)tan( 12 17π )tangent, left parenthesis, start fraction, 17, pi, divided by, 12, end frac

uranmaximum [27]

One way to do this is to notice

$\dfrac{17\pi}{12}=\dfrac\pi6+\dfrac{5\pi}4$

Then

$\tan\dfrac{17\pi}{12}=\tan\left(\dfrac\pi6+\dfrac{5\pi}4\right)=\dfrac{\tan\frac\pi6+\tan\frac{5\pi}4}{1-\tan\frac\pi6\tan\frac{5\pi}4}$

We have

$\tan\dfrac\pi6=\dfrac{\sin\frac\pi6}{\cos\frac\pi6}=\dfrac{\frac12}{\frac{\sqrt3}2}=\dfrac1{\sqrt3}$

and since $\tan x$ has a period of $\pi$ ,

$\tan\dfrac{5\pi}4=\tan\left(\pi+\dfrac\pi4\right)=\tan\dfrac\pi4=1$

and so

$\tan\dfrac{17\pi}{12}=\dfrac{\frac1{\sqrt3}+1}{1-\frac1{\sqrt3}}=\dfrac{1+\sqrt3}{\sqrt3-1}=2+\sqrt3$

7 0

3 years ago

Free points :)) hope you have a good day !!

bonufazy [111]

Answer:

Thanks, but here is a problem I'll give myself.

Problem X+2 > 3

Step-by-step explanation:

1. Take Away 2 from both sides.

2. Answer: X > 1

5 0

3 years ago

Read 2 more answers