Solve the system of equations -3x-5y=-16 and 4x+6y=16

Answers

Answer 1

Answer:

x=-56 y=80

Step-by-step explanation:

solved with delta way

Answer 2

Answer:

It's A, the Graph A

Step-by-step explanation:

Just use desmos and plug in the equations.


Related Questions

Please help me solve the equation in the picture I have to get it done soon!

Answers

Answer:

square root of 5 squared minus 4 squared

Step-by-step explanation:

a^2 + b^2 = c^2

c^2 - b^2 = a^2

5^2 - 4^2 = a^2

25 - 16 = a^2

9          = a^2

√9=a

a=3

or

a=  √25-16

a= √9

a=3

Hope this helps!

What is the volume of a sphere with a radius of 4 cm? Use 3. 14 for pi. Round to the nearest hundredth. 50. 24 cm³ 66. 99 cm³ 200. 96 cm³ 267. 95 cm³.

Answers

The volume of the sphere is 267. 95 cm³.

Given

The radius of the sphere is 4cm.

What is the volume of sphere?

The volume of a sphere is the three-dimensional space occupied by a sphere.

The volume of the sphere is determined by the following formula;

[tex]\rm Volume = \dfrac{4}{3} \pi r^3[/tex]

Where r is the radius of the sphere.

Substitute all the values in the formula;

[tex]\rm Volume = \dfrac{4}{3} \pi r^3\\\\\rm Volume = \dfrac{4}{3} \times (3.14) \times 4^3\\\\Volume = 4 \times 1.04 \times 64\\\\Volume = 267.95\ cm ^3[/tex]

Hence, the volume of the sphere is 267. 95 cm³.

To know more about Volume of Sphere click the link given below.

https://brainly.com/question/369459

A grocer stacks apples in a pyramid-like stack whose rectangular base is 7 apples by 8 apples. Each apple above the first level rests in a pocket formed by four apples below. The stack is completed by a single row of apples. How many apples are in the stack?

Answers

Answer:  168

==============================================

Explanation:

If there are n apples in a straight line, then there are n-1 gaps between the adjacent apples.

Having 8 apples will have 8-1 = 7 gaps between the apples.

Similarly, having 7 apples will have 7-1 = 6 gaps between those apples.

The 8 by 7 rectangle in the bottom level will have a 7 by 6 rectangle on the second level. The third level will have a 6 by 5 rectangle, and so on.

Here's a table to keep track of everything

[tex]\begin{array}{|c|c|c|} \cline{1-3}\text{Level} & \text{Dimensions} & \text{Number of apples}\\ \cline{1-3}\text{1} & \text{8 by 7} & \text{56}\\ \cline{1-3}\text{2} & \text{7 by 6} & \text{42}\\ \cline{1-3}\text{3} & \text{6 by 5} & \text{30}\\ \cline{1-3}\text{4} & \text{5 by 4} & \text{20}\\ \cline{1-3}\text{5} & \text{4 by 3} & \text{12}\\ \cline{1-3}\text{6} & \text{3 by 2} & \text{6}\\ \cline{1-3}\text{7} & \text{2 by 1} & \text{2}\\ \cline{1-3}\end{array}[/tex]

The last step is to add up everything in the third column

56 + 42 + 30 + 20 + 12 + 6 + 2 = 168 apples total

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS ASAP PLS PLS

Answers

Answer:

ZW and FR

Step-by-step explanation:

1. ZX and RF don't match

- One Straight, One Slanted

2. ZX and PR don't match

- One Straight, One Slanted

3. ZW and FR both match

- Both Slanted

4. ZW and FP don't match

- One Straight, One Slanted

Find an expression equivalent to the one shown below. (3⁴)5 ÷ 3⁵ OA. 3¹⁵ OB. 3⁴ OC. 3²⁵ OD. 12​

Answers

Hey there!

(3^4)^(5) ÷ 3^5


3^4(5)

= 3^20

= 3,486,784,401

3^5

= 3 * 3 * 3 * 3 * 3

= 9 * 9 * 3

= 81 * 3

= 243


= 3,486,784,401 ÷ 243

= 14,348,907



SIMPLIFY IT!

= 14,348,907

≈ 3^15


Therefore, your answer is: 3^15


Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Explanation:

Let's review three examples of product of exponent rule and dividing of exponent rule before solving the problem.

(a²)³ = a²⁽³⁾ = a⁶{[(b³)⁵}⁷] = b³⁽⁵⁾⁽⁷⁾ = b¹⁰⁵(a²) ÷ a = a²⁻¹ = a

Looking at these examples, we can tell that we can multiply exponents and subtract exponents. These rules are applied in this question. Now, let's solve the question to obtain our answer.

Solution:

(3⁴)⁵ ÷ 3⁵=> 3⁴⁽⁵⁾ ÷ 3⁵=> 3²⁰ ÷ 3⁵=> 3²⁰⁻⁵=> 3¹⁵

Final Answer:

3¹⁵ or Option A

Which method would prove the quadrilateral is a parallelogram?

Answers

Answer: showing that the opposite angles of a quadrilateral are congruent or that the consecutive angles of a quadrilateral are supplementary So i think it should be B

Step-by-step explanation:

The method that would that the quadrilateral is a parallelogram is that: (d) one pair of parallel sides is both parallel and congruent

A parallelogram is a quadrilateral that has parallel and congruent opposite sides

From the figure, we have the following highlights:

Opposite sides are congruentOpposite sides are parallel

This means that the method that would that the quadrilateral is a parallelogram is that: (d) one pair of parallel sides is both parallel and congruent

Read more about parallelogram at:

https://brainly.com/question/24056495

how do you solve -1x+20 is greater than -7+35

Answers

[tex]\huge\fbox{Hello~there!}[/tex]

Let's solve this inequality!

[tex]\rm{-x+20>-7+35[/tex]

What can we do to solve this inequality? Well, first of all, we can add -7 and 35:

[tex]\rm{-x+20>28[/tex]

Now, move 20 to the right, using the opposite operation:

[tex]\rm{-x>28-20[/tex]

Subtract:

[tex]\rm{-x>8[/tex]

Divide both sides by -1 to isolate x:

[tex]\rm{x<-8}[/tex] (Answer)

_____________

Additional comment

When we divide both sides of an inequality by a negative number, we flip the inequality sign.

____________

I hope you find it helpful.

Feel free to ask if you have any questions.

[tex]\bf{-MistySparkles^**^*[/tex]

which of the numbers 285,627,5490,7295,43695 are divisible by 5 but not by 3

Answers

Answer:

7295

Step-by-step explanation:

The first thing we can do is rule out any numbers that cannot be divided by 5. Any number that ends in a 0 or a 5 can, so 627 cannot be. The next thing we do is use the division rule for dividing by 3. The rule states that if you add up the digits of a number, and it is divisible by 3, then so is that number.

2+8+5= 15 (multiple of 3)

5+4+9+0=18 (multiple of 3)

7+2+9+5=23 (not a multiple of 3)

4+3+6+9+5=27 (multiple of 3)

Hope you have a great day!

2. What is 5 percent of 700?

Answers

Answer:

35

Step-by-step explanation:

700 / 100 = 7

7 = 1%

7 x 5 = 35

35 = 5%

Answer:

35

Step-by-step explanation:

Which angle is an exterior angle of the triangle?
1 2 3 4
L M N

Answers

Answer:

4

Step-by-step explanation:

The exterior angle is number 4...

Help me plz..

1. Mang ernie sells seafood every day. One Saturday morning, he had 7/8 kilogram of crabs to sell by 10 o`clock 1/6 kilogram was left. How many kilogram was he able to sell

A.how many kilogram of crabs was he able to sell?

B. How did you solve the problem?

Answers

17/24 kilograms of crab was sold by Mang ernie on Saturday.

Equation

Equation is an expression used to how the relationship between two or more numbers and variables.

Let x represent the amount of crab that was sold by Mang ernie. Hence, from the question:

x + 1/6 = 7/8

subtracting 1/6 from both sides of the equation to make x the subject of the equation:

x + 1/6 = 7/8 - 1/6

x = 17/24

17/24 kilograms of crab was sold by Mang ernie on Saturday.

Find out more on Equation at: https://brainly.com/question/2972832

1) What is the value of x 4 for x = 57
A) 14
B) 21
C) 29
D) 41
Find the value of the expression

Answers

What is that actual equation

Choose the expression that represents the fraction one seventh.
Question 1 options:

1 ÷ 17

7 ÷ 1

17 ÷ 1

1 ÷ 7

Answers

Answer:

1 ÷ 7

Step-by-step explanation:

A fraction represents a division with the numerator divided by the denominator, then

[tex]\frac{1}{7}[/tex] ≡ 1 ÷ 7

Please help meeeeeeeeeee

Answers

Answer:

Y=4x+6

Step-by-step explanation:

You just find the slope then the y-int and you're done. Hope this helps!

solve pls brainliest

Answers

Answer:

1.8 or 1 4/5 should be the answer!

She went up 2 steps, and each step is 9/10 feet high.

2 x 9/10 = 18 / 10

18 / 10 = 1 8/10

1 8/10 = 1 4/5

Answer: 1 4/5 feet

Hope this helps!

Bobby can run a mile in 7 minutes. Use the ratio table to help determine how
many miles he can run in 28 minutes.

Answers

Answer:

4 miles

Step-by-step explanation:

In 7 minutes he runs 1 mile

So in 28 minutes he runs 4 miles

How did I get this answer?

7×4=28

So 1×4=4

In ratios, when you times anything by something, you must do the same to the other part of the ratio.

Answer:

Hello there! The answer to this problem is that Bobby can run 4 miles in 28 minutes. If Bobby runs 1 mile in 7 minutes, we will have a table with two columns. On the left, we will have the number of miles, and on the right we will have the number of minutes.

miles - minutes

1 - 7

2 - 14

3 - 21

4 - 28

As the number of miles increases by 1, the number of minutes increases by 7. This is a ratio of 1:7. If it takes Bobby 7 minutes to run a mile, it makes sense that it will take him 28 minutes to run 4 miles because 28/7 = 4.

Hope this helps! Have a great day - Mani :)

How many downloads of the standard version were there?

Answers

Answer:

standrad = 220 download

Step-by-step explanation:

x(number of standtrad download) y(number of high quality downloads)

y=3x

4.2y+2.7x=3366

4.2(3x)+2.7x=3366

12.6x+2.7x=3366

15.3x=3366

x=3366/15.3

x=220

y=3(220)=660

(brainliest plz :( )

Need help it’s easy and quick points please

Answers

Answer:

j=35

Step-by-step explanation:

Since the shorter side has a length of 60 the other shorter side also has a length of 60 and the whole rectangle's perimeter is 400 if you add the shorter sides you get 120 to find the total length of the longer sides we have to subtract 400 by 120 and by doing that we get 280 so the total length of the longer sides is 280 and since there are 2 sides we have to divide 280 by 2 and we get 140 but, j *4 is 140 and we still have to find j so we divide 140 by 4 to get 35 and thus j=35

pls mark braineliest if helpful

Write the number for eleven thousand one hundred five.

Answers

Answer:

11,105

Step-by-step explanation:

10,000

1,000

100

00

5

pls give brainliest.

A horse runs 800 meters in 32.0 seconds.

What is the average speed of the horse during this time?

Answers

800 divided by 32=25m/s i think honestly i forgot lol

-4 = 10 + n/2 please i will give brainliest

Answers

Answer:

n = -28

Step-by-step explanation:

-4 = 10 + n/2

first step, subtract 10 from each side to get:

-14 = n/2

cross-multiply to get:

n = -28

Answer:

-28

Step-by-step explanation:

-4 = 10 + n/2

-14 = n/2

multiply both sides by 2

-28 = n

It takes 25 men to build a wall in 4 hours . How long does it take 100 men to build the same wall

Answers

Answer:

1 hour

Step-by-step explanation:

100 is 4 times more than 25.

Answer:

1 hours

Step-by-step explanation:

By concept we know it takes a person to complete a job of three person more time. so we shall multiply in this question.

if 25 men takes 4 hours

1 men will take 4 * 25 = 100 hours

100 men takes = ( 100 ÷ 100 ) hours = 1 hours

It takes 1 hours for 100 men to build the same wall.

If you earn $634.38 for a 29-hour work week, how much would you earn for a 40-hour work week at the same hourly rate?

Answers

Answer:

you need another variable? because all you gave me was a total

Step-by-step explanation:

all you did was give 3 variables when 4 is needed

What is a phrase for the algebraic expression 4+x?

Answers

Answer:

hope this will help you

Step-by-step explanation:

if it doesn't mention me

Find the value of X
[tex]2x = \frac{74}{2} - 37[/tex]

Ty~​

Answers

The value of  x from the expression is 2

Expression and equation

Given the expression

2x = 74/2 - 37


We are to calculate the value of  x from the expression

2x = 37 - 37

Since 37 - 37 = 0

2x = 0

Divide both sides by 2:

2x/2 = 0/2

x = 0

Hence the value of  x from the expression is 2

Learn more on expression here: https://brainly.com/question/22048677

Need work for problems I already know the answers

Answers

Don’t take this comment seriously

(If right ill mark brainliest) Please help! Thanks

Answers

The answer is Option 2. 2(4x^2 -x+2) = 8x^2 - 2x + 4. 2(5x+3) = 10x+6. 8x^2 - 2x + 4 + 10x-6 = 8x^2 + 8x + 2. Please mark me brainiest

:)Answer in simplest radical form.(and show work please)

Answers

Answer:

Step-by-step explanation:

Use Pythagorean theorem,

Base² + altitude² =hypotenuse²

x² + 19² = 21²

x² + 361 = 441

         x² = 441 - 361

          x² = 80

          [tex]x =\sqrt{80}=\sqrt{2*2*2*2*5}=2*2*\sqrt{5}=4\sqrt{5}[/tex]

someone plzz help me understand this i am so confused

Answers

Answer:

XA = 9

AY = 9

XY = 18

Step-by-step explanation:

hope this helps!!

How should the decimal point in 34.05 be moved to determine the product 34.05×106?
Enter your answers in the boxes to correctly complete this statement.
The decimal point should be moved _ Places to the right because there are _
zeros in 10 6

Answers

Answer:

5

Step-by-step explanation:

34.05

34.05 x 10 to the power of six = 3405000

decimal point needs to move 5 places to go after the last zero

Other Questions
Find the area of the semicircle. Round your answer to the nearest hundredth. Find the measure of angle x in the figure below: (1 point)15253060 why can a person hit a ball farther if it is pitched fast than if it is pitched slowly? 1. Which of the following parts allow different activities of the cell to happen? A cytoplasm C vacuole B. lysosome D. vesicle 2. If the chloroplasts of a plant cell are damaged, which will it be unable to do? A protect the cell B. make food for the cell C. excrete waste materials D. give instruction for cell to reproduce The church pictured above is an example of Ottonian architecture. Which of the following churches is shown in this picture? a. The church of Saint Cyriakus b. The church of Saint Agnes c. The church of Saint Regis d. The church of Saint Klaus Please select the best answer from the choices provided A B C D. find then circumference What are the two main features of academic argument?. What are federal mandates? a. They are accompanied by federal funding to cover costs of the mandate. b. They are requirements attached to state laws to dispense state grants. c. They are unconstitutional acts by the states. d. They are rules for operation in the Supreme Court. e. They are requirements in federal legislation that force states to comply with federal rules. 2. PART A: DONT FORGET TO DETERMINE THE MISSING LENGTHS FIRST! Find the perimeter: P = ___PART B:Find the total area:A = ___ Harry started to wash his car at 11:30 am. He washed it for 45 minutes before having a half an hour break. He then cleaned the inside of his car for 25 minutes. What time did he finish? i am sorry but how do we give brainlest cause i do not know and i am a beginner and this is not math i just want to give brainlest to the people who answered my question Alice works 42 hours, is paid $2.65 per hour, and receives $540.50 in tips. How much did Alice earn? 2.) Based on his biography, how did Alexander Hamilton's suggestions at theConstitutional Convention have the potential to create a system of tyranny rather thanpromote a truly democratic government? (DOK 3) What's the slopeof a line parallelto the line3x - 5y = 7 Write, in prose or verse, an account of one of the following.1. A journey across the desert.2. A windy day at the seaside. 3. An overnight trip during the wet, monsoon season. Cmo se dice She speaks en espaol ? how do you say She speaks in Spanish ?A- l habla B- Ella hablaC- yo habloD- nosotros hablamos NEED TO KNOW THIS QUESTION PLEASE!!!! In florida, black bears are found in only a few regions. Roads and highways cross all of these regions. If new road construction continues through the regions occupied by the bears, how will black bear populations most likely be affected?. I need help please. See photo below help what is the value of x