What is the solution to the following system of equations?

{y=−3x−7
{x+2y=11
A. (1,9)
B. ( 8,-5)
C. (-5,8)
D. (9,1)

Answers

Answer 1
You can use substitution
Plug in -3x - 7 for y in second equation
x + 2(-3x - 7) = 11
x - 6x - 14 = 11
-5x = 25, x = -5
Plug plug -5 for x in first equation
Y = -3(-5) - 7
Y = 15-7, y = 8

Solution: C. (-5,8)

Related Questions

Farmer brown reported that 40 of his chickens died during the rainy season. If this represented 5% of the total number of chickens, how many chickens did he have originally?

Answers

Answer:

Total chickens = 800

Step-by-step explanation:

5% = 1/20

so, for total number of chicken we simply multiply 20 with 5% amount of chickens given;

= 40 * 20

= 800

Akio has a business taking care of dogs. She charges a registration fee of $10, plus $5 for each hour she works.
Akio wrote a function to represent the total amount of money, in
dollars, she earned after x hours of working.
f(x) = ax + b

Answers

Answer:

Step-by-step explanation:Given  that

f(x)=ax+b

so registration fee=b=$10

 Each hour fee=a=$5

where  x represnts hours

when

x=0

f(0)=5(0)+10

f(0)=10

f(1)=5(1)+10

f(1)=15

f(2)=5(2)+10

f(2)=20

and so on...

Penny solved an equation by subtracting
6 from each side of the equation and
then dividing each side by 5. Which of
these could have been the equation
Penny solved?

A.1/5x + 6 = 11
B.5x - 6 =9
C.5x + 6 = 21
D.6x + 5 = 17

Answers

Answer:

Step-by-step explanation:1/5x+6=11

Which of the following is the best example of a statistical question?
Group of answer choices

What was the best-selling single in 2018?

What are students’ favorite types of music?

What artist won a Grammy in 2012?

Where is the Rock-and-Roll Hall of Fame located?

Answers

The answer is the first question: What was the best-selling single in 2018?

HELP ME WILL MARK BRAINLIEST
What is the relationship between the circumference of a circle and its diameter?


The diameter is about 3 times the circumference.


The circumference is a little more than 3 times the diameter.


The diameter is about half the circumference.


It depends on the circle.

Answers

Answer:

The circumference is a little more than 3 times the diameter.

Step-by-step explanation:

The value of dividing the circumference of a circle by its diameter will always yield the value of π. π is about 3.14 and therefore shows that the circumference of any circle is a little more than 3 times the diameter.

Answer:

the circumference is a little more than 3 times the diameter

Step-by-step explanation:

Billy's dad bought tickets for this weekend basketball game he had an extra ticket and tells bill you can bring a friend but Billy's two best friends Adam and Jason both wanted to go to the game

Answers

Answer:

This will probably be division. Unfortunately without any numbers/values representing/being the ticket amount or cost if needed. I can't solve.

Step-by-step explanation:

:D

You have 10 gallons of lemonade to sell. (1 gal $\approx$ 3785 cm3) a. Each customer uses 1 paper cup. The cups are sold in packages of 50. How many packages should you buy? b. How many cups will be left over if you sell 80% of the lemonade?

Answers

Answer:

The answer to this question can be defined as follows:

Step-by-step explanation:

Calculating the volume of cone cup:

[tex]= \frac{1}{3}\pi r^2 h \\\\ = \frac{1}{3}\times 3.14 \times 4^2 \times 11 \\\\ = \frac{1}{3}\times 3.14 \times 16 \times 11 \\\\ = \frac{1}{3}\times 3.14 \times 176 \\\\ = 3.14 \times 58.66 \cong 184.31 cm^3[/tex]

[tex]\to 10 \ gal \times 3,785\ \frac{cm^3}{gal} = 37,850\ cm^3\\\\\to 37,850 cm^3 \times \frac{(1 \ cone)}{(184.31 \ cm^3)} \times 205.4 \ cones[/tex]

When buying 5 packages (250 cones):

[tex]\to 8 \ gal \times 3,785 \ \frac{cm^3}{gal} = 30,280\ cm^3 \\\\\to 30,280 \ cm^3 \times \frac{(1\ cone)}{(184.31 \ cm^3)} \cong \ 165 \ cones[/tex]

 Calculating the left over cones values:

[tex]\to 250 - 165 = 85[/tex]

Answer:

A.206 cups

B.5 packages

C.85

Step-by-step explanation:

Clarifiction answer

Also the reason why mine's was 206 because it had no option for 205 but 206 so it saids 206 is the right answer so if you say i'm wrong,it's the online homework's fault and not mines.

ps:You couldn't write the answer,you can only select the answer.

A shipping container will be used to transport several 140-kilogram crates across the
country by rail. The greatest weight that can be loaded into the container is 26000
kilograms. Other shipments weighing 13200 kilograms have already been loaded into
the container. Which inequality can be used to determine c, the greatest number of
140-kilogram crates that can be loaded onto the shipping container?

Answers

Answer:

91.42 crates

Step-by-step explanation:

Let

Greatest Number of 140kg crates = x

weight of crate = 140-kilogram

Weight of other shipment = 13200 kilograms

greatest weight of container = 26000 kilograms

Weight of other shipment + (weight of crate * number of crates) ≤ greatest weight of container

13,200 + 140x ≤ 26,000

140x ≤ 26,000 - 13,200

140x ≤ 12,800

x ≤ 12,800/140

x ≤ 91.42 kilograms

Greatest Number of 140kg crates = 91.42 crates

Please help!!!!! I’ll mark you as brainliest!!!!

Answers

Answer:

B

Step-by-step explanation:

To solve this problem you need to add up all the expenses after this you divide by 12 to figure out how much they will all cost per month

2(x - 1) 3(x - 2)
3
4
1
I did not understand ​

Answers

Answer:

3(x-2)

4(x-5)

5(x-6)

1(x-2)

PLSS HELP IVE BEEN ASKING FOR SO LONG :(

Answers

Answer: 7

Step-by-step explanation:

\frac{-14}{-2}

Both 14 and 2 are divisible by 2, so we can divide both of these numbers by 2.

\frac{-7}{-1}

Both numbers are negative, so we can divide both of these numbers by -1.

\frac{7}{1}

This gives us 7.

Answer:

Step-by-step explanation:

=14 / -2 = 7

-14 / -2 = 14/2 = 7

Find the measure of the exterior angle. *

Answers

Step-by-step explanation:

✧ [tex] \underline{ \underline{ \large{ \tt{S \: O \: L \: U \: T \: I \: O \: N}}} }: [/tex]

Set up an equation and solve for x :

⋆ [tex] \large{ \bf{(4x + 9) \degree = 2x \degree + (3x - 12) \degree}} [/tex] [ Exterior angle is always equal to the sum of two non - adjacent interior angles ]

~Remove the unnecessary brackets

⟶ [tex] \large{ \bf{4x \degree + 9 \degree = 2x \degree + 3x \degree - 12 \degree}}[/tex]

~Add the like terms : 2x ° & 3x°

⟶ [tex] \large{ \bf{4x \degree + 9 \degree = 5x \degree - 12 \degree}}[/tex]

~Move 4x to right hand side and change it's sign

~Similarly move 12 to left hand side and change it's sign

⟶ [tex] \large{ \bf{9 \degree + 12 \degree = 5x \degree - 4x \degree}}[/tex]

⟶ [tex] \large{ \bf{21 \degree = x \degree}}[/tex]

⟶ [tex]{ \large{ \bf{x = 21 \degree}}}[/tex]

Now , Substituting the value of x in (4x+9)° [ Exterior angle ]

⤿ [tex] \large{ \bf{4 \times 21 \degree + 9 \degree}} = \boxed{93 \degree}[/tex]

☥ [tex] \boxed{ \boxed{ \large{ \tt{Our \: Final \: Answer : \boxed{ \underline { \tt{93\degree}}}}}}}[/tex]

Hope I helped ! ツ

Have a wonderful day / night ! ♡

❅ Let me know if you have any questions regarding my answer! ❅

☞ [tex] \underline{ \underline{ \mathfrak{Carry \: On \: Learning}}}[/tex] !! ✎

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Answer:

exterior angle=4x+9=4×21+9=93

Step-by-step explanation:

2x+3x-12=4x+9 exterior angle is equal to the sum of two opposite interior angle of the triangle

5x-4x=12+9

x=21

Each cube in the prism is one cubic unit.
What is the volume of this rectangular prism?
Enter your answer in the box.



Answers

Answer:

A unit cube has a length of 1 unit, width of 1 unit and height of 1 unit. Its volume is 1 cubic unit.

Any solid shape can be shown as being of made of unit cubes. Counting the number of unit cubes in that solid shape gives its volume. The cube shaded green is a unit cube.

Unit Cube

Definition of volume: The number or amount of cubic units it takes to fill a defined space is called volume.

Step-by-step explanation:

The volume of this rectangular prism will be;

⇒ 120 unit cubes

What is Multiplication?

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

Given that;

Each cube in the prism is one cubic unit.

Now,

Since, Each cube in the prism is one cubic unit.

We know that;

⇒ The volume of rectangular prism = Length × Width × Height

Here, Length of rectangular prism = 6

Width of rectangular prism = 5

Height of rectangular prism = 4

Thus, The volume of rectangular prism = Length × Width × Height

                                                              = 6 × 5 × 4

                                                              = 120 unit cubes

Therefore, The volume of this rectangular prism will be;

⇒ 120 unit cubes

Learn more about the multiplication visit:

https://brainly.com/question/28768606

#SPJ2

this is math this is math this is math yall
yall this is not math im sorry
Do yall like my sisters art LeLelelelELeLeLELeleElElEl oml her email is chinkennugget748 if u want to learn

Answers

Answer:

pretty good

i dont rlly wanna email tho

Answer:

I do love it and sure lets email ig

Step-by-step explanation:

if 100 ml of rat poison is mixed with 2,5l of water then what would be the simplified poison water ratio be​

Answers

Answer:

1: 25

Step-by-step explanation:

100 : 25L

25L equal 2500 mL

100:2500 ( divide by 100)

1:25

HEEEEELP! pls................

Answers

The answer is A how do I know this? Because I ran it through Brainly that’s pretty much how I show my work.

PLEASE HELP!!
What is 9/5 as a percentage?
a) 180%
b) 45%
c) 18%
d) 1.8%

Answers

Answer:

Step-by-step explanation:

9/5 = 1.8

1.8*100 = 180%

That means the answer is A

Answer:

180

Step-by-step explanation:

9/5*100 gives 180 percentage

The restaurant’s location has the same x-coordinate as City Hall but the opposite Y-coordinate. In which quadrant is the restaurant located?

Answers

Answer:

Quadrant lll

Step-by-step explanation:

The coordinates of the restaurant are (-1, -0.5)

Both coordinates negative means quadrant lll

I WILL GIVE BRAINLEST!!!

we want to find the zeros of this polynomial:

p(x)=x(2x+3)(x-1)(x+2)

plot all the zeros (x-intercepts) of the polynomial in the interactive graph.

Answers

Answer:

x= 0, −3/2, 1, −2

Question 3 (1 point) The dot plots show the salaries for the employees at two small companies before a new company head is hired at each company. Select THREE statements that must be true. a The standard deviation of salaries shown in the dot plot for company 2 is greater than the standard deviation of salaries at company 1. b The median values of salaries shown in the dot plots for the two companies are about the same. c The mean and median values of salaries shown in the dot plot for company 2 are the same. d The median value of salaries at company 1 will remain unchanged after a company head is hired to have a salary of 500 thousand dollars. e The new company head with a salary of 500 thousand dollars will affect the mean value for salaries at company 2 more than the median value for salaries at company 2.

Answers

Answer:

B is the correct answer

Step-by-step explanation:

same as above

PLEASE HELP ASAP THANK YOUUUU

Answers

Answer:

972π m³

Step-by-step explanation:

given

in a sphere

radius (r) = 9 m

Volume (V ) = ?

so we know

The formula for the volume of a sphere is V = 4/3 πr³.

now

V = 4/ 3 * π * 9³

V = 972π m³

hope it helps :)

Answer:

972pi

Step-by-step explanation:

4/3(pi)r^3

4/3(pi)(9)^3

972(pi)

hope this helps!

Aaron borrows $150 from his friend Austin. He promises to pay back the money in 4 monthly installments. Each month he wants to pay half the amount he paid the previous month. Assuming Austin does not charge any interest, how much should Aaron pay the first month to repay the money as scheduled?
A.
$60
B.
$70
C.
$80
D.
$90
E.
$100

Answers

Answer:

C $80

Step-by-step explanation:

Since

80-40-20-10=150

A group of friends wants to go to the amusement park. They have no more than $170
to spend on parking and admission. Parking is $9, and tickets cost $23 per person,
including tax. Write and solve an inequality which can be used to determine p, the
number of people who can go to the amusement park.
<
>
<
Inequality:
р
Submit Answer
ලල ල ල ල ල ල න අ අ ආ
problem 1 out of max 4
Privacy Policy Terms of Service

Answers

170=23x+9
161=23x
161/23=23x/23
7=x

12. Which of the following is another way to
classify a scalene triangle with one angle
greater than 90°?
A- acute
B - obtuse
C - right
D equilateral

Answers

Answer:

The correct answer would be obtuse

Step-by-step explanation:

An obtuse angle is an angle that has a measure of more than 90°

So if a triangle has an angle greater than 90° it would be classified as an obtuse triangle

the answer is obtuse!!!

Solve for x. Your answer must be simplified. x-24>_9

Answers

Answer:

x[tex]\geq[/tex]33

Step-by-step explanation:

x-24[tex]\geq[/tex]9

x[tex]\geq[/tex]33

If xy + xb + ya + ab = 32 and x + a = 4, then x + b =​

Answers

I got
X+B=4
Let me know if I was right

Fell free to give Brainly if it was it would be a massive help

A cylinder has a radius of 10 inches and a height of 6 inches. About what is its volume in cubic inches? Use 3.14 for π.

Answers

188.4 inches square.............

Answer:

1884

Step-by-step explanation:

Last Friday, Kira and Marcy got dinner at Seaside Sushi restaurant. Kira ordered 2 pieces of tuna and 5 pieces of crab. Marcy ordered 3 pieces of tuna and 6 pieces of crab. Did Kira and Marcy order the same ratio of tuna pieces to crab pieces?

yes or no

Answers

Answer:

No they did not they ate more crab then tuna

Step-by-step explanation:

i think it's a but i'm not sure

Answers

a is the right answer

Answer:

A is correct

Step-by-step explanation:

A is correct because the range is essentially all the points along the Y axis ant this graph will go all the way up to infinity and all the way down to negative infinity so it is all real numbers.

Kaia's window is in the shape of a trapezoid. Three of the angles are 80°, 100°, and 109°. What is the measure of the fourth angle?

Answers

Answer:

71°

Step-by-step explanation:

Kaia's window is in the shape of a trapezoid. Three of the angles are 80°, 100°, and 109°. What is the measure of the fourth angle?

The sum of angles in a trapezoid is equal to = 360°

We are given 3 angles in the trapezoid as: 80°, 100°, and 109°.

The measure of the fourth angle is calculated as:

360° = 80°+ 100° +109° + fourth angle

360° - (80°+ 100° +109°)

360° - 289°

= 71°

The measure of the fourth angle is 71°

Other Questions
The two spinners are spun.Find the probability of getting a 2 and the letter B, P(2 and B)? Ill give points plz and brainliest I know the result I just need the process.4. How much work is required to lift a 500 kg block 12 m2? The distance around the world at the equator is about 42,000A.metersB.kilometersC.centimetersD. millimeters can someone help me please Answer the Question: What is the role of the spindle fibers? (Hint, it is the same as mitosis) slant height =15.2 in. height =14 in.base width =12 in .What is the surface area of the pyramid? 1) What were the main lessons you learned about living things?2) What were the main lessons you learned about nonliving things?3) Is there any interrelationship between living and nonliving things?4) What is the name given to the science that is concerned with the study aliving things? The selling price of an item is $520. It is marked down by 10%, but this sale price is still marked up from the cost of 360$. Find the markup from cost to sale price. A square-based rectangular aquarium is filled with water. The side length of thebase is 40 cm. The height of the aquarium is 50 cm. The height of the water isequal to half the height of the aquarium. A solid cube with side length 20 cm isthen thrown into the aquarium and sinks to the bottom.Does the water level now reach the top of the tank? If not, how far below the topof the tank does the water reach? For what value of b will f(x)= x^2 + bx + 900 have -30 as its only zero? PLEASE HELP!! The possibility of a power outage seems to grow every year because of demand and aging infrastructure. What can/should companies do to mitigate this risk? Write a thorough summary of the role of the liver in digestion. Please help me ....... Its b its easy I got 100% make sure to have a good day -_- Can someone help me on this plzzz A cube root function has a turning point located at (-2,3). Write an equation that could represent this function For the angle 7/4, draw and upload a representation of the angle on the unit circle in the coordinate plane. Place the angle in the correct quadrant. Label the reference angle and sides of the reference triangle, and identify the coordinates of the terminal point. Then, specify the exact values of the secant, cosecant and cotangent of the angle Pls answer I rlly need it Please help, my assignment is due today in an hour. is it possible that the philippines can solely rely from geothermal energy? state your opinion why or why not?