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
LenKa [72]
3 years ago
8

Solve by substitution. 2x - 3y = 3 y= 7 - 2x

Mathematics
1 answer:
SpyIntel [72]3 years ago
5 0

Answer:

x=3 y=1

Step-by-step explanation:

plug in y. 2x-3(7-2x)=3

then get 8x=24

x=3

then plug in x in either equation

y=7-2(3)

y=1

You might be interested in
The height of a prism,cylinder, pyramid, or cone is always_ to the base
m_a_m_a [10]

Answer:

The height of a prism, cylinder, pyramid, or cone is from base to base?? Except for pyramid.. for pyramid it is from the center of the base to the point at the top of the pyramid I guess.

Step-by-step explanation:

Hope that helped!

6 0
3 years ago
A set of 10 cards consists of 5 red cards and 5 black cards. The cards are shuffled thoroughly, and you choose one at random, ob
Nesterboy [21]

Answer:

d) The binomial distribution with n = 4 and p = 0.5

Step-by-step explanation:

They re 10 cards consisting of 5 red cards and 5 black cards which are shuffled thoroughly and choosing at random. After choosing the cards are replaced back.

The probability of choosing a red card = number of red cards / total number of cards = 5 / 10 = 0.5

The probability of choosing a black card = number of black cards / total number of cards = 5 / 10 = 0.5

Since after choosing, the cards are replaced back and shuffled making the next draw independent of the previous draw repeated four times. This is a binomial distribution with n = 4 and p = 0.5

5 0
4 years ago
A car travels a distance of 190 miles in a time of 3.4 hours.
Dima020 [189]

Answer:

His average speed was 55.8 miles per hour

6 0
3 years ago
Read 2 more answers
Points A and B have opposite x-coordinates but the same y-coordinates.
n200080 [17]

Answer:

c

Step-by-step explanation:

start before a and count until you get to B

5 0
3 years ago
A water desalination plant can produce 2x10^6 gallons of water in one day. How many gallons can it produce in 8.7 days?
arlik [135]

Answer:

2x10^6 = 2 Million gallons of water.

8.7 days = 209 hours

209 x 2,000,000/24 = 17,416,666.6667 Gallons of Water in 8.7 days

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Other questions:
  • Which is equal to 8,906?
    14·2 answers
  • Martin has $200 in his savings account. he is looking at two investment plans. under plan A, he will increase his account balanc
    8·2 answers
  • PLSSS HELP! Can someone pls tell me how to do this. y=1/3(x+2)^2, y=x+3
    15·1 answer
  • Dawn has been using two bank accounts to save money for a car. the difference between account 1 and account 2 is $100. if she us
    15·2 answers
  • Ok so math questions:
    14·1 answer
  • The function j(x)= 39x represents the number of jumping jacks (x) you can do in x minutes . How many jumping jacks can you do in
    8·2 answers
  • A statistics teacher was interested in the relationship between the number of days students waited to start a project and the sc
    11·2 answers
  • A waterfall has a height of 1200 feet. A pebble is thrown upward from the top of the falls with an initial velocity of 24 feet p
    15·1 answer
  • Find the slope of the line through each pair of points (12,-11), (15, 12)
    10·2 answers
  • Evaluate: 6.7 × $99.99 =<br> O $692.43<br> O $106.69<br> O $669.93<br> O $14.92
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!