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
DaniilM [7]
4 years ago
14

Solve each equation

Mathematics
1 answer:
Darya [45]4 years ago
7 0

Answer:

r= 0

r= 1

b= -3

x= -3

Step-by-step explanation:

4r-8r=0

-4r=0

r=0

-15=-8r-7r

-15= -15r

r=1

3b+7-1=-3

3b= -3-7+1

3b= -9

b= -9/3

b=-3

3x+1-6x=7

-3x= 7-1

-3x= 6

x= -6/3

x= -3

You might be interested in
What is the product of 33 and j
Softa [21]

Answer:

It would be 33j, Product means multiplication, so if you multiply 33 times j, you get 33j

3 0
3 years ago
I’ve been stuck can someone help
never [62]

Answer:

(a). A_{x} = \left[\begin{array}{cc}12&-4\\66&6\end{array}\right]

Step-by-step explanation:

\left \{ {{5x-4y=12} \atop {3x+6y=66}} \right.

A = \left[\begin{array}{cc}5&-4\\3&6\end{array}\right]

A_{x} = \left[\begin{array}{cc}12&-4\\66&6\end{array}\right]

A_{y} = \left[\begin{array}{cc}5&12\\3&66\end{array}\right]

5 0
3 years ago
PLEASE HELP<br> Will give brainliest and 5.0 rating xx
OLEGan [10]

Answer:

-4 , -1

Step-by-step explanation:

( -4 is the X- axis [ the horizontal line] and 1 is the y-axis [the vertical line] ) move ur finger to -4 on the left and go up to 1. Now move ur finger down 2 times . ur finger will be on -4 which is the x- axis and -1 for the y - axis

7 0
3 years ago
If f(x) equals (1/7)(fx) , what is f(3)
ASHA 777 [7]

Answer:

f(3)=3/7

Step-by-step explanation:

6 0
4 years ago
A 20-pound bag of dog food costs $16. What is the unit price per pound? ​
ch4aika [34]

Answer:

0.8

Step-by-step explanation:

To calculate the cost of any item per pound, divide the cost of the item by its weight in pounds: cost ÷ pounds = cost per pound.

Hope This Helped!!

6 0
3 years ago
Other questions:
  • If Greg makes only the minimum monthly payment in May, June, and July, what will his total balance be after he makes the monthly
    15·1 answer
  • Factorise 32 x cube minus 8 y square​
    11·1 answer
  • 1 - 3x = 3x + 1 what's the value of x?
    10·1 answer
  • Determine the solution: 6x^2 = -42x
    10·1 answer
  • I need help with geometry
    7·2 answers
  • F(z) = (z - 5)(2x + 7) (73 = 3) has zeros at x = -3.5, x=3/7 , x=5 What is the sign of f on the interval 3/7 &lt; x &lt;5?
    9·1 answer
  • A coin bank has 17 coins that contains only dimes and quarters. The coins are worth $3.35. How many of each coin are in the bank
    7·1 answer
  • The scale of a map is 1/2 inch = 30 miles. If 2 cities are 2 inches apart on the map, how many miles apart are they from eachoth
    8·2 answers
  • What is this? please help​
    12·2 answers
  • Anybody know this? Please and thankyou!
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!