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
slamgirl [31]
3 years ago
15

Help me solve those show work 3(2a-5)=12-7a, 27=3c-3(6-2c)and 6c-8-2c=-16

Mathematics
1 answer:
posledela3 years ago
3 0
3(2a-5) = 12-7a
6a-15=12-7a
6a+7a=12+15
13a= 27

27=3c-3(6-2c)
27=3c-18+6c
27+18=3c+6c
45=9c
C=45/9
C=5

6c-8-2c=-16
6c-2c=-16+8
4c=-8
C=-8/4
C=-2
You might be interested in
PLEASE HELP on this
love history [14]

Answer:

$6250

Step-by-step explanation:

i = PRT

Px.04 x1 = 250

P = 250/.04 = 6250

5 0
3 years ago
What is the formula of the sequence 3, 6, 10, 15, 21?​
AleksAgata [21]

Answer:

Tn=12n(n+1)

Step-by-step explanation:

Explanation:

These are the triangular numbers - each term in the sequence being the sum of the first n positive integers:

T1=1=1

T2=3=1+2

T3=6=1+2+3

etc.

Notice that:

2Tn=(0)+1+(0)+2+...+(n−1)+(0)+n

2Tn+(0)+n+(n−1)+...+(0)+2+(0)+1

2Tn=(n+1)+(n+1)+...+(n+1)+(n+1)

2Tn=n(n+1)

So:

Tn=12n(n+1)

3 0
1 year ago
Read 2 more answers
Shortbread fingers
allsm [11]

Step-by-step explanation:

120/20=6g

50/20=2.5g

170/20=8.5g

for one shortbread ^^

6*50=300g

2.5*50=125g

8.5*50=425g

for 50 shortbread ^^

6 0
2 years ago
What is the domain of this function?<br><br><br> {x| x &gt; }
Feliz [49]
Notice that it starts at x = 0 with closed dot then it goes to the right.

So the domain would be {x | x ≥ 0}

Hope this helps.
8 0
3 years ago
Read 2 more answers
A rectangles width is one fifth it's length and it's perimeter is 168m. Find the dimensions of the rectangle
gayaneshka [121]
I hope this helps you



width = 1/5 .length


length =5.width


Perimeter =2 (w+l)


168=2. (w+5w)


84=6w


w=14


l=5.14=70
7 0
2 years ago
Other questions:
  • what rational number lies in between -14/31 and -17/33? A. -989/3069 B. -123/276 C. -989/2046 D. -4/7
    11·1 answer
  • Is 100 a reasonable estimate 915.25 divided by 88.22
    9·1 answer
  • Enter an inequality that represents the graph in the box.
    15·1 answer
  • Evaluate the cumulative distribution function, F, for the given random variable, X, at specified values: also determine the requ
    10·1 answer
  • Combine these to like terms to create an equivalent expression: 4z - (-3z)
    13·1 answer
  • Miranda found out there are 20 drops in 1 mL of medicine. She measured 15 drops of medicine into a measuring cup. How many milli
    7·1 answer
  • Help ASAP I’ll mark branliest
    6·1 answer
  • Find the slope from the pair of points. (-5, -1) (5,-4)​
    15·1 answer
  • 20 POINTS
    15·1 answer
  • Hi I have these couple of questions here I'm really confused and I've been working on all of these for about three days now but
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!