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3 years ago

What does it mean for two planes to intersect each other?

Mathematics

1 answer:

LenKa [72]3 years ago

5 0

It means when the planes cross each other it is perpendicular to each other

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A palindrome is a string whose reversal is identical to the string. How many bit strings of length n are palindromes?

alisha [4.7K]

Answer:

The number of palindromes is

$2^{\frac{n}{2} }$ when n is even and

$2^{\frac{n +1}{2} }$ when n is odd

Step-by-step explanation:

From the question we are told that

The length of the string is $n$

Generally palindrome is evaluated by considering the first part of a string

When the the length of the string is an even number then

it means that the first part of the string is $\frac{n}{2}$

Hence the number of bit strings of length n that are palindromes is evaluated as

$p(n_{even }) = 2^{\frac{n}{2} }$

But When the the length of the string is an odd number then

it means that the first part of the string is $\frac{n-1}{2}$

Hence the number of bit strings of length n that are palindromes is evaluated as

$p(n_{odd }) =2^{\frac{n -1}{2} +1 } = 2^{\frac{n +1}{2} }$

Generally each bit could be either 0 or 1

Hence the number of palindromes is

$2^{\frac{n}{2} }$ when n is even and

$2^{\frac{n +1}{2} }$ when n is odd

4 0

3 years ago

Lmno is a parallelogram if nm = X + 11 and OL = 2x+4 find the value of x and then find NM and OL

devlian [24]

If you draw out lmno as a parallelogram, then lo is always going to be opposite of nm which means they are equal to each other. nm = ol or x+11=2x+4 or 7 = x, then nm = ol = 18...

7 0

3 years ago

URGENT PLEASE HELP WILL GIVE BRAINLIEST TO CORRECT ANSWER ABC factory brought a pile of coal. If the factory burns 1500 kilogram

wolverine [178]

Solving a system of equations, we will see that there are 6000 kg of coal on the pile.

<h3>How many kilograms of coal are in the pile of coal?</h3>

Let's say that there are N kilograms of coal, and it is planned to burn it totally in D days, these are our variables.

We know that:

If the factory burns 1500 kilograms per day, it will finish burning the coal one day ahead of planned.
If it burns 1000 kilograms per day, it will take an additional day than planned.

Then we can write the system of equations:

(1500)*(D - 1) = N

(1000)*(D + 1) = N

Because N is already isolated in both sides, we can write this as:

(1500)*(D - 1) = N = (1000)*(D + 1)

Then we can solve for D:

(1500)*(D - 1) = (1000)*(D + 1)

1500*D - 1500 = 1000*D + 1000

500*D = 2500

D = 2500/500 = 5

Now that we know the value of D, we can find N by replacing it in one of the two equations:

(1500)*(D - 1) = N

(1500)*(5 - 1) = N

(1500)*4= N = 6000

This means that there are 6000 kilograms of coal on the pile.

If you want to learn more about systems of equations:

brainly.com/question/13729904

#SPJ1

7 0

2 years ago

Find a. Write your answer in simplest radical form.

NeTakaya

Answer:

$\sin(60) = \frac{5 \sqrt{3} }{a} \\ \\ \frac{ \sqrt{3} }{2} = \frac{5 \sqrt{3} }{a} \\ \\ a = \frac{2 \times 5 \sqrt{3} }{ \sqrt{3} } \\ \\ a = 10$

3 0

2 years ago

What is the area of a triangle with a height of 14 feet and a base of 10 feet

timama [110]

Answer:

Area is 70ft

Step-by-step explanation:

Area of a triangle is A=b × h/ 2 or A=1/2×bh

Let height equal h & base equal b

So,

h=14

b=10

Solve,

A=1/2×14×10

A=1/2×140

A=70

Therefore, the area is 70 feet

7 0

3 years ago

Read 2 more answers