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
Veseljchak [2.6K]
3 years ago
9

Identify the value of a if y= ax+ 7x + 2 and the point (2, 12) is on the graph.

Mathematics
1 answer:
alexandr1967 [171]3 years ago
6 0

Answer:

a=-2

So yep. ;)

Step-by-step explanation:

Alright, so, (2,12), 2 is the x and 12 is the y.

Stick them into the equation: 12=a*2+(7*2)+2

Then, solve:

12=a*2+14+2

a = -2

So yes, they're on the graph.

Hope this helped! :)

You might be interested in
I need some help with this​
Contact [7]
The answer for the first one is city c
8 0
3 years ago
What is the y-intercept of the line -7x-5y=-45?
Goshia [24]

Answer:

The y-intercept is at the point (0, 9).

Step-by-step explanation:

WE have the y intercept when x = 0:

-7(0) - 5y = -45

-5y = -45

y = -45/-5 = 9.

7 0
3 years ago
Read 2 more answers
3=c/5+2... how do I solve for c??
expeople1 [14]
Primeiro Você IRA Dividir o c (APENAS Colocar 5 + 2 embaixo do c). Depois faça a soma 5 + 2 = 7. Então faça o mmc (mínimo múltiplo comum) entre 7 e 1(o 1 é invisível, mas continua estando embaixo do 3). Deu 7 o mmc. Transforme seus números em frações, com o denominador 7. Transforme os números em frações o 3 virá 21, pois você divide em baixo e multiplica em baixo, e o c continua normal, pois já estava em baixo de 7. Como é para descobrir uma incógnita você tira os denominadores e ficará 21 = c.

3 = c/5 + 2
3 = c/7
21/7 = c/7
21 = c
4 0
3 years ago
Read 2 more answers
Can someone help me answer questions 10 and 11?
Alexxandr [17]
10. 10
11. -2.8




Hope u enjoyed xD


7 0
4 years ago
Read 2 more answers
0.3 ÷ 42 Will someone please help me with the method on how to do this it is very hard.
slamgirl [31]

The answer is 1/140

Work Shown

0.3 / 42

Convert and Rewrite

3/10 x 1/42

Reduce The Numbers With the greatest Common divisor 3

1/10 x 1/14

Multiply the fractions

1/140 or

AlTernative Form  0.007114285 , -1 over 140


I Hope This Help

-Dante

3 0
3 years ago
Other questions:
  • Billy ran 2/3 and 3/4 miles Heather ran 5/8 miles how much is it in total?
    12·1 answer
  • Which equation models the trend line? y = -1.3x + 2 y = 1.3x + 2 y = -1.3x - 2 y + 1.3x - 2
    7·1 answer
  • For the graph shown, select the statement that best represents the given system of equations.
    13·2 answers
  • If I eaen $500 a year how much do I earn a month?
    8·2 answers
  • Some students washed 24 cars in 2 hours.
    14·2 answers
  • Ten ​" subtracted from twice a​ number" is
    7·1 answer
  • A store buys a camera for $80 and decides to markup the price 35%. How much does the camera sell for?
    9·1 answer
  • A 25 ​-pound bag of dog food costs ​$20.25 A35 ​-pound bag of the same dog food costs ​$27.65 Which bag of dog food is the bette
    6·1 answer
  • 1/4 + (-3/4)= ?? help pleasee
    8·2 answers
  • Calculate the average speed for the following sections on the graph.
    13·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!