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
maksim [4K]
3 years ago
9

Solve the system of equations. 3x + 4y = -23 x = 3y + 1 y = X=

Mathematics
2 answers:
horrorfan [7]3 years ago
6 0

Answer:

(-5, -2)

Step-by-step explanation:

3x+4y=-23

x=3y+1

since we have what x is, we need to subsitute

3( 3y+1) + 4y= -23

no we need to multiply the number inside the parenthesis by 3

9y + 3 + 4y= -23

combine like terms ( add the numbers or variables that look alike)

9y+4y is 13y

13y+3= -23

since we need to get the y alone we need to subtract 3 on both sides since its the opposite of adding

13y+3-3=-23-3

13y= -26

now we divide 13 on both sides to get Y alone

13y/13= -26/13

y= -2

now since we have y we need to substitute it to find x

x= 3y+1

x= 3( -2) +1

now we mutliply 3 with -2

x= -6 +1

x=-5

those are ur answers

y= -2

x= -5

hope this helped:D

lianna [129]3 years ago
4 0

Answer:

x = -5

y = -2

Step-by-step explanation:

You might be interested in
The answer is not A or B
Nat2105 [25]

Answer:

C) 4

Step-by-step explanation:

Arcs on one side of the diameter adds upto 180°.

Therefore,

(2 + 17x) \degree + 54 \degree + 56 \degree = 180 \degree \\  \\ (2 + 17x) \degree + 110 \degree  = 180 \degree \\  \\ (2+ 17x) \degree = 180 \degree  - 110 \degree\\  \\  (2 + 17x) \degree = 70 \degree  \\  \\ 2 + 17x = 70 \\ 17x = 70 - 2 \\  \\ x =  \frac{68}{17}  \\  \\ x = 4

4 0
3 years ago
Read 2 more answers
How to solve this problem
Sveta_85 [38]
1) Find the value of x and y.

2) Then use the Order of Operations to help you out with the computation.
6 0
3 years ago
Read 2 more answers
A test has 40 questions. Denise finished 2\5 of the questions in the first 10 minutes and 1\2 of the total questions in the next
leonid [27]

Answer:

28 questions answered.

Step-by-step explanation:

40(2/5) is 16 questions.

40-16 is 24 questions left.

24(.5) is 12 questions.

16+12 gets you 28 questions.

8 0
2 years ago
The amount of soda a dispensing machine pours into a 12-ounce can of soda follows a normal distribution with a mean of 12.30 oun
Ugo [173]

Answer: A) .1587

Step-by-step explanation:

Given : The amount of soda a dispensing machine pours into a 12-ounce can of soda follows a normal distribution with a mean of 12.30 ounces and a standard deviation of 0.20 ounce.

i.e. \mu=12.30 and \sigma=0.20

Let x denotes the amount of soda in any can.

Every can that has more than 12.50 ounces of soda poured into it must go through a special cleaning process before it can be sold.

Then, the probability that a randomly selected can will need to go through the mentioned process =  probability that a randomly selected can has more than 12.50 ounces of soda poured into it =

P(x>12.50)=1-P(x\leq12.50)\\\\=1-P(\dfrac{x-\mu}{\sigma}\leq\dfrac{12.50-12.30}{0.20})\\\\=1-P(z\leq1)\ \ [\because z=\dfrac{x-\mu}{\sigma}]\\\\=1-0.8413\ \ \ [\text{By z-table}]\\\\=0.1587

Hence, the required probability= A) 0.1587

6 0
2 years ago
1. Which of the following does NOT represent a whole number? 9 6.0 12/4 -12/3​
Ivahew [28]

the answer is -12/3 cause it's negative

5 0
3 years ago
Other questions:
  • Solve sx+tx=r for x?
    11·1 answer
  • The perimeter of Tina's rectangular garden is 60 ft. If the length of the garden is twice its
    5·1 answer
  • What is the volume of the triangular prism? A) 12 cm3 B) 18 cm3 C) 24 cm3 D) 48 cm3
    6·2 answers
  • A space for storing boxes is 36 inches high. Each box is 6 inches high. A space of 9 inches must be left at the top. what is the
    15·1 answer
  • Ayuda porfavor urgenteee<br> 15 puntos!!!
    13·1 answer
  • The nominal level of data describes what type of information? Multiple choice question. Observations of a quantitative variable
    9·1 answer
  • Which expressions are equivalent to -6 + 3(2+ (-4t)?
    8·2 answers
  • A rectangular prism is 4 meters long, 5 meters wide and has a hight of 7 meters what is it's volume?
    10·1 answer
  • Problem
    7·1 answer
  • If the speed of a fluid in a pipe of a Cross-sectional area 100 cm³ is 30ms, what will be it's speed in a pipe of radius 10cm co
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!