-7(1+7n)=36-6n this is a very hard solving equations question I don't get HELP!!!

Answers

Answer 1

Answer: n=-1 distribute then isolate your variable and divide

Answer 2

Answer: -7(1 + 7n) = 36 - 6n
-7(1) - 7(7n) = 36 - 6n
-7 - 49n = 36 - 6n
   +49n    +49n
   -7 = 36 + 43n
   -36   -36
      -43 = 43n
   43    43
      -1 = n

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Which of the following expressions is larger? 3.67 x 10^2 or 1.9 x 10^2

Answers

Answer:

3.67 x 10^2 is larger

Step-by-step explanation:

Answer:

3.67 x 10^2 is larger than 1.9 x 10^2

Step-by-step explanation: Multiply

Solve.

4x – 6 = −3x + 8

Answers

4x - 6 = -3x + 8

Add 3x to each side: 7x - 6 = 8

Add 6 to each side: 7x = 14

Divide each side by 7: x = 2

4x – 6 = −3x + 8

4x + 3x = 8 +6
7x = 14
x = 2

Hope this helps you!!!!

Maya bought a sweater with a discount of 25%.she saved $18. what ws the sale `price of the sweater

Answers

$54 was the original price

Which of the functions below have period 2pi? Check all that apply. A. y = tan x B. y = sec x C. y = cot x D. y = csc x

Answers

Answer:

Option B and D are correct that is $y=secx$ and $y=cscx$ respectively.

Step-by-step explanation:

We have been given four functions:

CaseA:

$y=tanx$

$\text{Period oftanx is} \pi$

Hence, A is correct.

CaseB:

$y=secx$

$\text{Period of secx is} 2\pi$

Hence, B is correct.

CaseC:

$y=cotx$

$\text{Period of cotx is} \pi$

Hence, C is not correct.

CaseD:

$y=cscx$

$\text{Period of cscx is} 2\pi$

Hence, D is correct.

A machine in a soft drink bottling factory caps 3 bottles per second. How many bottles can it cap in 15 hours?

Answers

so 3 bottles per second so in 1 second it produces 3 times 1=3 bottles in 2 seconds it produces 2 times 3=6 bottles in x seconds, it produces 3x bottles so

15 hours
1 hour=60 minutes
1 minute=60 seconds
1 hour=60 (60 seconds)=60 times 60 seconds=3600 seconds
15 hours=15 times 3600=54000 seconds
so insert/subsitute
number of bottles=3x
in 15 hours=3 times 54000=162000

162,000 bottles in 15 hours

Given the definition of rational numbers, are decimals like 0.5 and 0.3 rational numbers? Why or why not?

Answers

Givendecimals like 0.5 and 0.3 are rational numbers because they are terminating decimals and can be written as p/q

What are rational numbers?

Rational numbers are numbers which can be written in the form p/q , where p and q are integers ,q≠0, highest common factor of p and q is 1.

The decimal expansion of rational number are terminating decimal expansion or non terminating and recurring decimal expansions.

Examples of rational number: 1/2 , 3/4, 13/2, 0.125,0.5, 0.55555....,

0.1212121212.....

As the given decimals 0.5 and 0.3 have terminatingdecimal expansion therefore they are rational numbers.

The rational form of 0.5 and 0.3 are

0.5 = 5/10 = 1/2

∴ 0.5 is written as p/q with p= 1 and q =2≠0 , p and q are coprime

0.3 = 3/10

∴ 0.3 is written as p/q with p= 3 and q =10≠0 , p and q are coprime

Therefore, 0.5 and 0.3 are rational numbers.

Also, Learn more about rational numbers from the link below:

brainly.com/question/24398433

#SPJ2

Answer:

Yes they are rational numbers

Step-by-step explanation:

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