PLEASE HELP i’m being timed!!!


Solve the system by using a matrix equation.
6x-9y=3 3x-4y=7

PLEASE HELP Im Being Timed!!! Solve The System By Using A Matrix Equation.6x-9y=3 3x-4y=7

Answers

Answer 1

Answer:

a

Step-by-step explanation:

Answer 2

Answer:

A. (17,11)

I just did the quiz on edgen.uity


Related Questions

BRAINLIEST!
A rectangular farm has an area of 12 square miles. If its length is 13 miles, what is its width?
Input your answer as a fraction.

Answers

Answer:

[tex]\frac{12}{13}[/tex] miles

Step-by-step explanation:

The area of a rectangle is found by width multiplied by length. So, the width can be found by dividing the area by length.

12÷13=[tex]\frac{12}{13}[/tex]

So, your answer is [tex]\frac{12}{13}[/tex]

PLEASE HELP WORTH 25 POINTS, find a and b.

Answers

Answer:

a = 12     b = 30

Step-by-step explanation:

You start at (-3,0). You move down 2 units and left 1 unit. Where do you end?

Answers

Answer: should end up on (-4 , -2)

Step-by-step explanation:

Question 1 Please. I need help.

Answers

Answer:

74.22

Step-by-step explanation:

You are supposed to add 52.39+21.83 because of part whole postulate (PWP) So, now you get 74.22, which is your answer.

74.22 is the correct answer to this question

3(2x + 5) + 4 = 7
what the answer to c

Answers

Answer:

-2

Step-by-step explanation:

Opening bracket,

6x+15 +4=7

6x=7-19    (I took 15 and 4 to other side and thus they became negative)          

x=-12/6

x=-2

Pls mark me brainliest

Answer:

The answer is x = -2

Step-by-step explanation:

FOIL

3*2x + 3*5 + 4 = 7

6x + 15 + 4 = 7

6x + 19 = 7

Subtract 19 from both sides.

6x =  -12

Divide both by 6.

x = -2

A class walked 2.5 miles for a walk-a-thon.
How many yards did the class walk?

Answers

Answer:

4400 Yards

Step-by-step explanation:

A mile equals 1,760 yards. 2.5 times 1,760 gives you 4,400

It is given that A class walked 2.5 miles for a walk-a-thon then the class walked 4400 yards.

What is the unitary method?

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

It is given that A class walked 2.5 miles for a walk-a-thon.

WE are asked How many yards did the class walk.

A mile equals 1,760 yards.

If one mile is 1760 yards, then the answer should be

= 1760 times the number of miles.

So  1760*2.5 = 4400

Hence, the class walked 4400 yards.

Learn more about the unitary method;

https://brainly.com/question/23423168

#SPJ2

What is the first step in solving the equation 3.5n+6.4= 42.5?
0 Add 6.4 to each side of the equation.
O Subtract 6.4 from each side of the equation.
O Multiply each side of the equation by 3.5.
O Divide each side of the equation by 6.4.

Answers

Answer add 6.4 to each side explanation:

The second option. Subtract 6.4 from each side of the equation.

x– 5x + 19 = 10 + 2x – 3

Answers

Answer:

x=-6

Step-by-step explanation:

x-5x+19=10+2x-3

-4x+19=10+2x-3

-4x+19=7+2x

19=7-2x

12=-2x

x=-6

Answer:

x = 2

Step-by-step explanation:

x - 5x + 19 = 10 + 2x - 3

-4x +19 = 7 + 2x

-2x               -2x

-6x + 19 = 7

      -19     -19

-6/-6x = -12/-6

x = 2

Jenna feeds her cat twice a day. She gives her cat 3/4 can of cat food each time. Jenna is having a friend take care of her cat for 5 days. To prepare, she bought 8 cans of cat food, did Jenna buy enough cat food?

Answers

Answer:

Number of times Jenna feeds her cat = 2

Cat food each time

Number of days = 5

Number of cans she bought = 8

Step-by-step explanation:

Required food for each time  

Jenna feeds her cat twice a day

Required food for a day

Required food for 5 days  

Since, 7.5 cans < 8 cans, therefore, Jenna did buy enough cat food for her cat.

Three times a number decreased by 5 is 16 .find the number

Answers

Answer:

The number is 7.

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

3x7=21 and 21-5=16

A rectangle is graphed on the coordinate grid.

On a coordinate plane, side p has points (1, 4) and (3, 6), side q has points (3, 6) and (6, 3), side r has points (4, 1) and (6, 3), and side s has points (4, 1) and (1, 4).

Which represents the equation of a side that is perpendicular to side s?
y = negative x + 9
y = negative x + 5
y = x + 9
y = x + 3

Answers

Answer:

y=negative x+5

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

Y=X+3

PLEASE PLEASE PLEASE HELP ME

Answers

Answer:

8 cars

Step-by-step explanation:

8*50= 400

someone help on this question, i need it very badly asap! click on pic!! please help

Answers

Answer:

The middle one is first because it's the least expensive, the first one is second and the third one is the most expensive.

Step-by-step explanation: When you divide the price by the ounces, you'll get the price per ounce which will get you your answer.

WILL MARK BRAINLIEST. Can someone help me wit des 4 questions? SHOW UR WORK FOR EACH QUESTION
1.) 5(2x+6)=8x+48
2.) -3(8+3h)=5h+4
3.) 2(y-6)=3(y-4)-y
4.) 8x-4=2(4x-4)

Answers

Answer:

1. [tex]x[/tex] = 9

2. [tex]h[/tex] = 2

3. Infinitely Many Solutions

4. No solution

Step-by-step explanation:

Hey there! I will give the following steps, if you have any questions feel free to ask me in the comments below.

1.) 5(2[tex]x[/tex] + 6) = 8[tex]x[/tex] + 48

Step 1: Expand.

10[tex]x[/tex] + 30 = 8

Step 2: Subtract 30 from both sides.

10[tex]x[/tex] = 8

Step 3: Simplify 8[tex]x[/tex] + 48 − 30 to 8[tex]x[/tex] + 18.

10[tex]x[/tex] = 8

Step 4: Subtract 8[tex]x[/tex] from both sides.

10[tex]x[/tex] − 8

Step 5: Simplify 10[tex]x[/tex] − 8[tex]x[/tex] to 2[tex]x[/tex].

2[tex]x[/tex] = 18

Step 6: Simplify [tex]\frac{18}{2}[/tex] to 9.

[tex]x[/tex] = 9

2.) −3(8 + 3[tex]h[/tex]) = 5[tex]h[/tex] + 4

Step 1: Expand.

−24 − 9[tex]h[/tex] = 5

Step 2: Add 24 to both sides.

−9[tex]h[/tex] = 5

Step 3: Simplify 5[tex]h[/tex] + 4 + 24 to 5[tex]h[/tex] + 28.

−9[tex]h[/tex] = 5

Step 4: Subtract 5[tex]h[/tex] from both sides.

−9[tex]h[/tex] − 5

Step 5: Simplify −9[tex]h[/tex] − 5[tex]h[/tex] to −14[tex]h[/tex].

−14[tex]h[/tex] = 28

Step 6: Divide both sides by −14.

[tex]h[/tex] = [tex]-\frac{28}{14}[/tex]

Step 7: Simplify [tex]\frac{28}{14}[/tex] to 2.

[tex]h[/tex] = 2

3.) 2([tex]y[/tex] − 6) = 3([tex]y[/tex] − 4) − [tex]y[/tex]

Step 1: Expand.

2[tex]y[/tex] − 12 = 3

Step 2: Simplify 3[tex]y[/tex] − 12 − [tex]y[/tex] to 2[tex]y[/tex] − 12.

2[tex]y[/tex] − 12 = 2 − 12

Step 3: Since both sides equal, there are infinitely many solutions.

Infinitely Many Solutions

4.) 8[tex]x[/tex] − 4 = 2(4[tex]x[/tex] − 4)

Step 1: Expand.

8[tex]x[/tex] − 4 = 8

Step 2: Cancel 8[tex]x[/tex] on both sides.

−4 = −8

Step 3: Since −4 = −8 − 4 = −8 is false, there is no solution.

No solution

~I hope I helped you! Good luck :)~

Sabendo que as retas r, s e t são paralelas, determine o valor de x na imagem a seguir
a)3
b)3,2
c)3,5
d)4

Answers

Answer:

x = 3.2

Step-by-step explanation:

Aquí, queremos encontrar el valor de x en la imagen de arriba.

Matemáticamente eso sería;

x / 4 = (x + 16) / (20 + 4)

x / 4 = (x + 16) / 24

Cruz multiplicar 24 * x = 4 (x + 16)

24x = 4x + 64

24x - 4x = 64

20x = 64

x = 64/20 x = 3,2

From the transversal proportionality theorem of parallel lines r,s,t. the value of x is 3.2.

It is given that r, s, t are parallel to each other. The length of the sides is given as 16, 20, 4, x. we need to find the value of x.

What is the transversal proportionality theorem?

If two or more parallel lines are cut by two transversals, then they divide the transversals proportionally.

From the transversal proportionality theorem,

When r, s, t are parallel to each other then a / x = b / y

so,

[tex]\rm \frac{16}{x} = \frac{20}{4} \\\rm x = \frac{16}{5} \\\rm x = 3.2[/tex]

Therefore, from the transversal proportionality theorem of parallel lines r,s,t. the value of x is 3.2.

Learn more about the transversal proportionality theorem here:

https://brainly.com/question/4087830

Lauren needs 3.6 meters of ribbon to make a bow. She
cuts the ribbon off a roll that has 26.45 meters of ribbon.
How many meters of ribbon are left on the roll?

Answers

The answer is 22.85
Hope this helps

PLEASE ANSWER ASAP AND ANSWER EVERYTHING SORRY FOR BAD QUALITY WILL MARK BRAINLIEST PLEASE ANSWER SOON

Answers

Answer:

1 Angle A is 44, 2 angle A is 20.

~~~~~~~~~~~~~~~~~~~~~~~~~~~

The Equation for 1 is x + 45 + 82 + x + 65 = 180 x = -1 A = 44 Degrees

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

The Equation for 2 is x + 21 + 130 + x + 31 = 180  x = -1  Angle A = 20 Degree

~~~~~~~~

Bye have a nice day :)

Which inequality has the solution set shown on the graph?

a.-54n 1080
c.594 > -11n
d.594 < -11n

Answers

Answer:

594 > -11n

Step-by-step explanation:

the answer is c lol

Answer:

The answer is C

Proof:

Step-by-step explanation:

Helloo I need help with this


Please and Thank you :)


Seth is making panels for a stained-glass window. He makes a triangular pane shaped like the triangle shown. Which of these rectangular panes has the same area as the triangular pane?








Help me please! I will mark brainliest whoever answers this with the right answer

Answers

Answer:

Options A and C

Step-by-step explanation:

Area of the triangular pane = [tex]\frac{1}{2}(\text{Base})(\text{Height})[/tex]

                                              = [tex]\frac{1}{2}(14)(12)[/tex]

                                              = 84 cm²

Area of the rectangle is given by the formula,

Area = Length × width

Option A.

Area of the rectangular pane = 12 × 7

                                                 = 84 cm²

Option B.

Area of the rectangular pane = 15 × 7

                                                 = 105 cm²

Option C.

Area of the rectangular pane = 21 × 4

                                                 = 84 cm²

Option D.

Area of the rectangular pane = 21 × 8

                                                 = 168 cm²

Option E.

Area of the rectangular pane = 28 × 6

                                                 = 168 cm²

Therefore, rectangular panes A and C have the equal area as the triangular pane has.

Already got the answer, alright one more to answer is for me! Question = free points. For me!

In the decimal system, when we divide a number by 10, the rightmost digit in the number is the remainder. Divide the number 157 by 10 repeatedly. Each time, write the remainder in the last column and the quotient in the dividend column. You can stop dividing when you get a 0 in the dividend column.

Answers

Answer:

See explanation

Step-by-step explanation:

Required

Divide 157 by 10 repeatedly.

This is done as follows...

157 Divided by 10 = 15 Remainder 7

15 Divided by 10 = 1 Remainder 5

1 Divided by 10 = 0 Remainder 1

As per the requirement of the question, no further action or operation is required

find the area of figure ​

Answers

It is 18 hope this helps

round 79.6 to the nearest whole number

Answers

Answer:

80

Step-by-step explanation:

Answer:

80

Step-by-step explanation:

What is the value of x?

Answers

Answer:

x = 60 degrees

Step-by-step explanation:

Suppose Sine (x) = four-fifths and cos(x) < 0. What is the value of cos(2x)?

Negative StartFraction 14 Over 25 EndFraction
Negative StartFraction 7 Over 25 EndFraction
StartFraction 7 Over 25 EndFraction
StartFraction 14 Over 25 EndFraction

Answers

Answer:

B.-7/25

Step-by-step explanation:

edge

The required value of cos(2x) is -7/25. Option B is correct.

sinx = 4/5
cosx < 0

What is trigonometry?

Trigonometry is the study of angles in mathematics.

Here,
cos(2x) = 1-2sin²x
           = 1 - 2 x 4²/5²
           =  1 - 32/25
cos(2x) =  -7/25

Thus, the required value of cos(2x) is -7/25.

Learn more about trigonometry here:
https://brainly.com/question/26719838

#SPJ2

the side length of a square is equal to?

a) the square of its area
b) the square root of its area
c) its area
d) half of its area

Answers

Answer:

half of the area

Step-by-step explanation:

i am not sure

Answer:

b

Step-by-step explanation

PLZ help it is due today

Answers

Answer:

45 gallons

Step-by-step explanation:

60/4=15 so each quarter is 15 gallons. He already has 15 gallons so he needs 45 more.

Answer:

45 gallons

Step-by-step explanation:

60*1/4=15

15*3= 45

3х + Зу = 15
-2х + Зу = -5
Answer?

Answers

Answer:

(x,y)= (4,1)

Step-by-step explanation:

a t-shirt shop sells tie-dye shirts for $16 and plain shirts for $10. they sold 28 shirts and made 400$ today. How many tie-dye shirts did they sell. please answer quickly

Answers

Answer:

Multiply

Step-by-step explanation:

Answer:

20 tie dye t shirts

Step-by-step explanation:

Add the equations 2x-3y=-1 + 3x+3y=26 A. 5x-6y=-27 B. 5x=27 C. 6y=25 D. 5x=25​

Answers

Answer:

D) 5x = 25

Step-by-step explanation:

-1+26 = 25

2x + 3x = 5x

-3y + 3y = 0

Answer:

pretty sure it is b

Step-by-step explanation:

The number of hours per week that the television is turned on is determined for each family in a sample. The mean of the data is 30 hours and the median is 26.2 hours. Twenty-four of the families in the sample turned on the television for 15 hours or less for the week. The 11th percentile of the data is 15 hours. Step 4 of 5 : What is the value of the 50th percentile?

Answers

Answer:

26.2 hours

Step-by-step explanation:

From the given information:

The objective is to determine the value of the 50th percentile.

The median is the 50th percentile, which categorically divides the data into two equal parts. It is a number separating the higher half of a data sample from the lower half. This implies that the median stands in place for the 50th percentile of the data.

Thus, the 50th percentile value is 26.2 hours

Other Questions
Please help this is due in 5 mins Where did people go to discuss new ideas in England? jayleen has a mass of 35 kg and is riding her bike and experiences a 62 N force as shown. What is the expected magnitude of acceleration for Jayleen? 1.8 m/s2170 m/s343 m/s0 m/s Why did the pilgrims of England come to the Americas What is an equation of the line passes through the points (-6,2) and (6,-2)? Read the following excerpt from The Call of the Wild and answer the question that follows.Buck seized Thornton's hand in his teeth. Thornton shook him back and forth.The excerpt above creates a bookend for the chapter with an image of _______.lovepartnership The ratio of apples to oranges in a basket of fruit is 2:7. There are 21 oranges in thebasket. How many apples are in the basket? What is the slope of this line?Enter your answer as a fraction in the simplest term in the box. What is the main cause of the dramatic decrease of the Jewish religion in Europe? A.The dramatic decrease happened after WWII, because of the Holocaust B.The dramatic decrease happened after WWII, because of the rise of communism C.The dramatic decrease happened after the Russian Revolution, because Lenin enforced communism. D.The dramatic increase happened after WWI, because the Worldwide Depression was difficult on the Jewish populations in Europe There were 8 judges at a gymnastic competition. Kathleen received these scores for her performance on the uneven parallel bars: 8.2, 8.7, 8.8, 8.8, 8.9, 8.9, 8.9, 9.2 Mean = 8.8 Median = 8.85 Mode = 8.9 Which statistic reflects a typical score? Explain. Which of the following should come next at the end of this row of letters? XOOOOXXOOOXXX:a. oxxx, b. ooxx, c. xooo Im snapdragons flower color is controlled by incomplete dominance... A school has adopted a section of highway to keep clean.if 1/3 of the section is 3/4 mile long how long is the section?,please help me out What are some consequences of posting inappropriate material online? (Choose all that apply)friends and loved ones might think less of youyou might land in legal troubleyour social media history will be erased from the internetfuture employers may not want to hire you. What are the steps in solving word problems involving multiplication of simplefractions with other operations? Each juror in a trial must beAunbiased.Ba lawyerpartial.Dan acquaintance of the defendant. How does rhetoric (persuasivelanguage) have the power tohurt and heal, divide and unite? Minimum 5 sentences.Watch the video when president United the nation What mass of benzene takesup325 mL if its density is0.874 g/mL? ANSWER INCLUDED!!! which effect of urbanization in the 1800s can be supported by evidence in this photo? A)the poor working conditions in factories B)the way new infrastructure helped city residents C)the poor living conditions for those living in poverty D) the population growth of cities during the industrial ageANSWER: C Slaq Computer Company manufactures notebook computers. The economic lifetime of a particular model is only four to six months, which means that Slaq has very little time to make adjustments in production capacity and supplier contracts over the production run. For a soon-to-be-introduced notebook, Slaq must negotiate a contract with a supplier of motherboards. Because supplier capacity is tight, this contract will specify the number of motherboards in advance of the start of the production run. At the time of contract negotiation, Slaq has forecasted that demand for the new notebook is normally distributed with a mean () of 10,000 units and a standard deviation () of 2,500 units. The net profit from a notebook sale is $500 (note that this includes the cost of the motherboard, as well as all other material; production, and shipping costs). (Hint: ! = $500) Motherboards cost $200 and have no salvage value (i.e., if they are not used for this particular model of notebook, they will have to be written off). (Hint: " = $200) Use the news vendor model to compute a purchase quantity of motherboards that balances the cost of lost sales and the cost of excess material.