Triple the difference of 100 and double

Mathematics

1 answer:

kvv77 [185]2 years ago

8 0

Answer:

Step-by-step explanation:

3(100 - 2x) = 36x + 6

300 - 6x = 36x + 6

50 - x = 6x + 1

7x = 49

x = 7.

You might be interested in

Which matrix represents the system of equations shown below 2x=13 and 3x-2y=11

makkiz [27]

Answer:

A. Matrix A

Step-by-step explanation:

When you put a systems of linear equations in matrix form, you take only the coefficients of the xy terms and sort them. x goes first, y comes after, and the numbers after the bars are the constants.

4 0

2 years ago

Z = 19i + 14 what is the imaginary part

Ne4ueva [31]

Answer:

The imaginary part is: z = 19

Step-by-step explanation:

For real numbers a and b, a number written in form a+bi is called a acomplex number. The value a is called the real part and b is called the imaginary part of complex number.

5 0

2 years ago

Identify the following group of words as an incomplete or complete sentence. If the sentence is incomplete, identify the reason.

mr Goodwill [35]

It has everything a sentence needs. Complete sentence.

3 0

2 years ago

Read 2 more answers

in a fundraiser, Mrs. Smith pledges $1 for each mile walked . if Sam walks 20 miles how much will Mrs. Smith donate? what is yhe

EleoNora [17]

Mrs. Smith donated $20
The constant proportionality is $1 because no matter what, Mrs. smith will donate $1 for each mile. So if Sam were to only walk 1 mile, mrs. smith would donate $1. Or seen as a 1:1 proportion.

5 0

2 years ago

A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic ca

Ugo [173]

Answer: A. 664

Step-by-step explanation:

Given : A marketing firm is asked to estimate the percent of existing customers who would purchase a "digital upgrade" to their basic cable TV service.

But there is no information regarding the population proportion is mentioned.

Formula to find the samples size , if the prior estimate to the population proportion is unknown :

$n=0.25(\dfrac{z*}{E})^2$