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
Flauer [41]
3 years ago
11

What is -3(x-8)+7x=12​

Mathematics
2 answers:
algol133 years ago
7 0

Answer:

18/5

Step-by-step explanation:

Zina [86]3 years ago
3 0

Answer:

x=-3

Step-by-step explanation:

You might be interested in
Translate the following statement into an appropriate algebraic statement: The number of text messages sent times $0.15 plus the
Oxana [17]
Actually the answers A since t is for text messages and it costs .15 and m is minutes and costs .07 so we add those two together to he .15t+ .07m then there's a discount of 2.50 so we subtract. So our final equation is .15t + .07m - 2.50 = C
7 0
2 years ago
R is the midpoint of QS, if QR=2x and RS=x+3, what is RS?
lbvjy [14]
Q -------------R------------S

suppose this is your line,

R is the mid point

and it's given that

QR = 2x
and
RS = x+3

as R is the mid point of QS
so,
QR = RS
then,
2x = x + 3
2x - x =3
x = 3


as,
it's given that RS = x + 3
then,
RS = 3 + 3
= 6 units.

5 0
3 years ago
The percentage of people under the age of 18 was 23.5% in New York City, 25.8% in Chicago, and 26% in Los Angeles.
Hatshy [7]

Answer:

0.0158 = 1.58% probability that all of them are under 18.

Step-by-step explanation:

Probability of independent events:

If three events, A, B and C are independent, the probability of all happening is the multiplication of the probabilities of each happening, that is:

P(A \cap B \cap C) = P(A)P(B)P(C)

The percentage of people under the age of 18 was 23.5% in New York City, 25.8% in Chicago, and 26% in Los Angeles.

This means that P(A) = 0.235, P(B) = 0.258, P(C) = 0.26

If one person is selected from each city, what is the probability that all of them are under 18?

Since the three people are independent:

P(A \cap B \cap C) = 0.235*0.258*0.26 = 0.0158

0.0158 = 1.58% probability that all of them are under 18.

8 0
2 years ago
A family has 2 cars. the first car has a fuel efficiency of 15 miles per gallon of gas and the second has a fuel efficiency of 2
lora16 [44]

Car 1: 15x

Car 2: 20y

15x+20y=1300

x+y=75

So y=75-x

15x+20(75-x)=1300

-5x+1500=1300

-5x=-200

x=40.

y=75-40

y=35

Car 1: 40 gallons

Car 2: 35 gallons


8 0
3 years ago
Using PEMDAS, which expression would you solve for first in the equation 7 * 4 + 22 / 4 - 2?
Anna71 [15]
A. 7*4


because there are no parentheses or exponents so multiplication is next
8 0
3 years ago
Other questions:
  • A cone has a height of 7 and a radius of 2 what is the surface area explain? please help
    6·1 answer
  • What is the equation of the quadratic graph with a focus of (1, 1) and a directrix of y = −1?
    5·1 answer
  • The right side of the orchestra section of the Nederlander Theater in New York City has 19 rows, and the last row has 27 seats.
    11·2 answers
  • 14. What is the missing term in the proportion
    13·2 answers
  • A car traveled 180 kilometers in 3 hours. which statement best describes the distance traveled by the car per hour?
    9·2 answers
  • Barbara purchased a home entertainment center for $2,665 using an 18-month deferred payment plan with an interest rate of 24.36%
    15·1 answer
  • The tax rate at this restaurant is 9.5%.
    11·1 answer
  • In 2006 the average ticket price for a national football league game was 62.38. Since then the cost has increased an average of
    13·1 answer
  • Show step by step......​
    11·1 answer
  • If a1=6 and a5=12, what does a3=?
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!