1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
MrRissso [65]
3 years ago
13

a girl scout has (5x-12) boxes of cookies and sells (3x+18) of them. Write an expression to represent the amount of boxes she ha

s left. i need help.
Mathematics
2 answers:
grigory [225]3 years ago
7 0

Answer:

2x - 30

Step-by-step explanation:

You have to subtract 3x + 18 from 5x - 12:

=> 5x - 12 - ( 3x + 18) = 5x - 12 - 3x - 18 = 5x - 3x - 12 - 18 = 2x - 30

The first step was to apply distributive properties to get rid of the parenthesis, after that the terms were arranged and the like terms combined

Answer = 2x - 30

boyakko [2]3 years ago
6 0
(5x-12)-(3x+18)

Simplified becomes 2x-30
You might be interested in
Help plzzzzzz it says 5/2 is wrong and I’ve tried 2/5 too both are wrong
hjlf

Answer:

2.5 or 2 1/2

Step-by-step explanation:

8 0
2 years ago
Please help me solve this equation. I need it ASAP! I included the question, and options for answers. Each step needs to have it
Alexus [3.1K]

Answer:

reciprocal

Step-by-step explanation:

mark me brainliest pls

6 0
2 years ago
Is (14,7) proportional?
slava [35]
Yes. Shdgdhdbhxhxhxhxjd
4 0
2 years ago
A textile fiber manufacturer is investigating a new drapery yarn, which the company claims has a mean thread elongation of 12 ki
shepuryov [24]

Answer

given,

mean = 12 Kg

standard deviation = 0.5 Kg

assume the observed statistic is = 11.1

 now, \bar{X}=11.1 , \mu = 12 , \sigma = 0.5

assuming the number of sample = 4

n = 4

Hypothesis test:

H₀ : μ≥ 12

Ha : μ < 12

now,

significant level α = 0.05

z* = \dfrac{\bar{X}-\mu}{\dfrac{\sigma}{\sqrt{n}}}

z* = \dfrac{11.1-12}{\dfrac{0.5}{\sqrt{4}}}

     z* = -3.60

Test statistics, Z* = -3.60

P-value

P(Z<-3.60) = 0.002 (from z- table)

P- value = 0.002

now,

reject the value of H₀ when P-value < α

    0.002 < 0.05

since, it is less P-value < α , we have to reject the null hypothesis

5 0
3 years ago
How many hours did jacoboys drive on Monday and Tuesday and in all?
melomori [17]
Looks like 10 and and a half if it's four it's 10 and a half if it 6 it's 12 and a half
7 0
3 years ago
Other questions:
  • write the equation of a line that passes through (4,10) and is parallel to the line with the equation y=-3x+7
    6·1 answer
  • What is the definition of 'distributive property'?
    15·2 answers
  • What is the measure of D?
    9·2 answers
  • -9x - 13 = -103 x= ?
    7·2 answers
  • 5 is subtracted from the square of a number.
    15·2 answers
  • 1. What would s have to be so that x^3+ 5x^2 + sx + 6 is divisible by (x+2)?
    14·1 answer
  • What is the slop for (2,5) and (4,8)
    5·2 answers
  • you have an intial amount of $45 in a savings account and you deposit an equal amount into the account each week. After 5 weeks
    5·1 answer
  • ASAP !!!!!!!!!!!!!!!!!Using law of sines please show process!!!
    9·2 answers
  • HELP ASAP PLEASE EXPLAIN PLEASE ​
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!