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
natita [175]
3 years ago
9

Find the value of n in the equation 6.2n – 3.7n = 85 + 45

Mathematics
1 answer:
qwelly [4]3 years ago
8 0
Im not sure but i found the answer as n= 52
You might be interested in
Which expression is equivalent to 9a + 12?
Veronika [31]

Answer:

3(3a+4)

Step-by-step explanation:

3(3a+4)

use distributive property

9a+12

4 0
3 years ago
Read 2 more answers
"Suppose that you are a city planner who obtains a sample of 20 randomly selected members of a mid-sized town in order to determ
frosja888 [35]

Answer: 2.093

Step-by-step explanation:

As per give , we have

Sample size : n= 20

Degree of freedom : df= n-1=19

Significance level : \alpha: 1-0.95=0.05

Since , the sample size is small (n<30) so we use t-test.

For confidence interval , we find two-tailed test value.

Using students's t-critical value table,

Critical t-value : t_{\alpha/2, df}=t_{0.025,19}=2.093

Thus, the critical value for the 95% confidence interval = 2.093

4 0
3 years ago
Can someone please help me??
dmitriy555 [2]

Answer:

I is clear that, the linear equation 5x+12=5x-7 has no solution.

Step-by-step explanation:

<u>Checking the first option:</u>

\frac{2}{3}\left(9x+6\right)=6x+4

6x+4=6x+4

\mathrm{Subtract\:}4\mathrm{\:from\:both\:sides}

6x+4-4=6x+4-4

6x=6x

\mathrm{Subtract\:}6x\mathrm{\:from\:both\:sides}

6x-6x=6x-6x

0=0

\mathrm{Both\:sides\:are\:equal}

\mathrm{True\:for\:all}\:x

<u>Checking the 2nd option:</u>

5x+12=5x-7

\mathrm{Subtract\:}5x\mathrm{\:from\:both\:sides}

5x+12-5x=5x-7-5x

\mathrm{Simplify}

12=-7

\mathrm{The\:sides\:are\:not\:equal}

\mathrm{No\:Solution}

<u>Checking the 3rd option:</u>

4x+7=3x+7

\mathrm{Subtract\:}7\mathrm{\:from\:both\:sides}

4x+7-7=3x+7-7

\mathrm{Simplify}

4x=3x

\mathrm{Subtract\:}3x\mathrm{\:from\:both\:sides}

4x-3x=3x-3x

\mathrm{Simplify}

x=0

<u>Checking the 4th option:</u>

-3\left(2x-5\right)=15-6x

\mathrm{Subtract\:}15\mathrm{\:from\:both\:sides}

-6x+15-15=15-6x-15

\mathrm{Simplify}\

-6x=-6x

\mathrm{Add\:}6x\mathrm{\:to\:both\:sides}

-6x+6x=-6x+6x

\mathrm{Simplify}

\mathrm{Both\:sides\:are\:equal}

\mathrm{True\:for\:all}\:x

Result:

Therefore, from the above calculations it is clear that, the linear equation

5x+12=5x-7 has no solution.

4 0
3 years ago
Can someone help me with this? Supposed to go off of the graph to fill in the sentence stems
Jobisdone [24]

Answer:

Step-by-step explanation:

i don't see the thing you put it just shows the question

4 0
3 years ago
On a large baking tray, 40 cookies can be baked together. To bake 40 cookies it takes 14 minutes, for baking 80 cookies it takes
zalisa [80]
The answer is B (56) because it states that it takes 14 minutes to bake 40 cookies, and you already have 100 cookies so you would just add the time it took to bake 40 cookies which would be 42+14=56
6 0
3 years ago
Other questions:
  • For line graphs and bar graphs, the values measured by the vertical axis
    11·2 answers
  • Compare 1/5 and 0.201
    12·1 answer
  • Which of the following explains the relationship between angles B and C? Lines JK and JM intersect at point J, creating four ang
    5·2 answers
  • Ivy and cammie sold tulip and daffodil bulb packages for their spring fundraiser. Ivy sold 12 packages of tulip bulbs (X) and 14
    11·2 answers
  • Mae king earns a weekly salary of $325 plus a 6.5% commission on sales at a gift shop. how much would she make in a work week if
    14·1 answer
  • 2/3=4/12 <br><br>true or false​
    8·2 answers
  • you rent an apartment that costs $1600 per month during the first year ,but the rent is set to go up 11.5% per year.what would b
    10·2 answers
  • I donot understand what so ever but brainly has def been helping
    6·1 answer
  • The volume of a prism is 378CM2 one of the faces are 27cm 2 the edge is x, x=?<br> mathswatch.
    8·1 answer
  • At a local print shop, 18 copies can be made for $6. At this rate, how much would it
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!