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ch4aika [34]
4 years ago
7

Solve 5 kx + 6 = 7 kx for X.​

Mathematics
1 answer:
Lady_Fox [76]4 years ago
7 0

Answer:

x = 3/k

Step-by-step explanation:

See the following procedure:

5kx + 6 = 7kx ⇒

6 = 2kx ⇒

x = 6/2k ⇒

x = 3/k (simplified)

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Help me with this please
Pavlova-9 [17]

Answer:

B?

Step-by-step explanation:

5 0
3 years ago
Find the value of x for which WXYZ must be a parallelogram.
Alik [6]
Set angle W equal to angle Y
4x + 20 = x + 26
Solve
4x = x + 6
3x = 6
x = 2

Hope this helps. If it did, consider making it Brainliest!
4 0
3 years ago
Read 2 more answers
Jenna bought books for $3 each and a game for $5. She spent a total of $26. How many books did she buy?
OleMash [197]

Answer:

she bought 7 books and 1 game. 1.)each=multiplication. 2.)and= addition.

Step-by-step explanation:

3.)26-5(the game)=21 divide by 3=7 books

4.)p-5=x divided by 3

3 0
3 years ago
Fiona needs to choose a five-character password with a combination of three letters and the even numbers 0, 2, 4, 6, or 8.
katen-ka-za [31]

The total outcomes of creating a password is 20

<h3>How to determine the total outcomes creating different passwords with the given characters and numbers?</h3>

The given parameters are

Letters = 3

Digits = 5 digits i.e 0, 2, 4, 6, or 8.

From the question, the digits and the letters cannot be repeated.

So, we have:

Possible letters = 3 characters (position fixed)

Digits = 2 numbers

So, the total outcomes of creating different passwords is

Total = 1 * 1 * 1 * 5 * 4

Evaluate the product

Total = 20

Hence, the total outcomes of creating a password is 20

Read more about combination at:

brainly.com/question/11732255

#SPJ1

8 0
2 years ago
Andrew is 3 times his son’s age. 10 years ago, he was 5 times his son’s age. What are their present ages? Show your work.
PSYCHO15rus [73]
Let's solve this problem step-by-step.

STEP-BY-STEP SOLUTION:

We will be using simultaneous equations to solve this problem.

Let's establish the two equations we will be using to solve the problem.

Let Andrew's current age = a

Let Andrew's son's current age = s

Equation No. 1 -

a = 3s

Equation No. 2 -

a - 10 = 5s

To begin with, we will substitute the value of ( a ) from the first equation into the second equation to solve for ( s ).

Equation No. 2 -

a - 10 = 5s

( 3s ) - 10 = 5s

3s - 5s = 10

- 2s = 10

s = 10 / - 2

s = - 5

Next we will substitute the value of ( s ) from the second equation into the first equation to solve for ( a ).

Equation No. 1 -

a = 3s

a = 3 ( - 5 )

a = - 15

FINAL ANSWER:

Therefore, the present age of Andrew is - 15 and the present age of Andrew's son's is - 5.

It isn't possible for someone to be negative years old, but this is the answer that I ibtained from the equations.

Hope this helps! :)
Have a lovely day! <3
6 0
3 years ago
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