-1b + 46 = 16 + 5b what is b?

Answers

Answer 1
Answer: isolate b
add b from both sides
46=16+6b
subtract 16 from both ides
30=6b
divide both sides by 6
5=b



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Need help! Express 86% as a fraction in its lowest form. Do the same with 80%,59% and 98%

Answers

percent means parts out of 100
x%=x/100

so

86%=86/100=43/50

80%=80/100=8/10=4/5
59%=59/100
98%=98/100=49/50



86% = 43/50
80% = 4/5
59% = 59/100
98% = 49/50

Zwelibanzi and Jessica are friends. Zwelibanzi takes Jessica’s civil technology test paper and will not tell her what her mark is. He knows Jessica dislikes word problems so he decides to tease her. Zwelibanzi says: : I have 12 marks more than you do and the sum of both our marks are equal to 148. What are our marks?

Answers

Answer:

80 and 68

Step-by-step explanation:

Jessica's marks = x

Zwelibanzi's marks = y

We get following equations as per given:

  • y - x = 12
  • y + x = 148

Sum up the two equations to substitute x:

  • 2y = 12+148
  • 2y = 160
  • y = 160/2
  • y = 80

And finding the value of x:

  • x = y -12
  • x = 80 -12
  • x = 68

Marks are:80 and 68

the bbookstore has 60 womrns magazines and 20 other magazin. what percentage of the magazines at the bookstore are womans magazines

Answers

Hi,


Equation for this problem;

((60 + 20) / 100) * 60 \n (80 / 100) * 60 \n 0.8 * 60 = 48

Answer: 48%

Hope this helps.
r3t40

Eye how many 3’s are in this image

Answers

There is no image, what does that mean?
I think you forgot to post the image because I don’t see it

I NEED SERIOUS HELP ON THIS HOLE HW ASSIGNMENT OR I GET AN F .

Answers

If I’m not wrong it’s 6 , 9 , 18

How do I find the area of a scale drawing

Answers

Answer:

use the internet :D just type in what you need and look in images