Solve the following system of equations with the substitution method

Answers

Answer 1

The answer is (X,Y) = (8,24)

Related Questions

On the Celsius scale, what does O represent?
a. the theoretical coldest possible temperature
b. an arbitrary number based on its inventor's freezer
c. the freezing point of water
d. the natural temperature of brine

Answers

Answer:

The answer is C.

Step-by-step explanation:

I just took the test on edg.

Answer:

c. freezing point of water

Step-by-step explanation:

did on edge 2021

find 2 numbers if their sum is 3 and their difference is 21

Answers

Answer:

the 2 numbers are 12 and -9

Step-by-step explanation:

x + y = 3

x - y = 21 Adding:-

2x = 24

x = 12

y = 3 - x = 3 12 = -9

Answer the 2 numbers are 12 and -9

Answer:

The numbers are 12 and - 9.

Step-by-step explanation:

12 - 9 = 3

- 9 to 12 is 21

The three angles of a triangle are in the ratio 1:2:1.
a) Find all the angles of the triangle.
b) Classify the triangle in two different ways

Answers

the answer is b) classify the triangle in two different ways

A mechanic estimates that a tire still has
Can someone please help me I need this for a test thank you so much whoever answers this.

8,000 miles of useful tread life. This is 20% of
the original useful tread life of the tire. What
was the tire's original useful tread life?
A) 50,000
B) 40,000
C) 1,600
D) 30,000

Answers

Answer:

Step-by-step explanation:

100% is unknown 100:20 is 5

8,000*5=40,00

Tammy must run more than 67 miles total to reach her fitness goals. She has already run 35 miles and runs 4 miles per day, Which
of the following inequalities could be used to solve for x, the number of days Tammy still needs to run to reach her fitness goals?

Answers

Answer:

[tex]35 + 4x > 67[/tex]

To reach her fitness goal, she needs to run for more than 8 days.

Step-by-step explanation:

She has already run 35 miles and runs 4 miles per day:

This means that after x days, the distance she will have run is:

[tex]D(x) = 35 + 4x[/tex]

Tammy must run more than 67 miles total to reach her fitness goals.

This means that:

[tex]D(x) > 67[/tex]

[tex]35 + 4x > 67[/tex]

The inequality is:

[tex]35 + 4x > 67[/tex]

Solution:

[tex]4x > 32[/tex]

[tex]x > \frac{32}{4}[/tex]

[tex]x > 8[/tex]

To reach her fitness goal, she needs to run for more than 8 days.

PLEASE HELP 100 points to who ever gives me the answer Compare the numbers using >, <, or =.

a) -2 3

b) |-12| |15|

c) 3 -4

d) |15| |-12|

e) 7 -11

Answers

Answer:

a) -2 < 3

b) |-12| < |15| (the absolute value of -12 is 12 so that's comparing 12 to 15)

c) 3 > -4

d) |15| > |-12|

e) 7 > -11

If m∠T = (2x + 85) ° , m∠V = (5x + 29) ° , and the sum of the measures of the angles is 93 ° , find the measure of each angle.

Answers

Answer:

x = -3

m∠T = 79

m∠V = 14

Step-by-step explanation:

14.5% of 90 is n. The value of n is 15

Answers

Answer:

dddddddddddddddddddddddddd

Step-by-step explanation:

dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Four students were asked to write an expression which has terms that have a greatest common factor of ab. The expressions provided by the students are shown below.

Michelle
16 a + 3 b

Naomi
18 a b c minus 13 a b c

Olivia
20 a b minus 14 a b c

Peyton
15 a b c + 14 a b

Which student wrote the correct expression?
Michelle
Naomi
Olivia
Peyton

Answers

Answer:

D.) Peyton

Step-by-step explanation:

If m is any integer, then gcd(a + m⋅b, b) = gcd(a, b). If m is a positive common divisor of a and b, then gcd(a/m, b/m) = gcd(a, b)/m. The GCD is a multiplicative function in the following sense: if a1 and a2 are relatively prime, then gcd(a1⋅a2, b) = gcd(a1, b)⋅gcd(a2, b). Factoring out the GCF is the first step in many factoring problems. Step 1: Determine the greatest common factor of the given terms. The greatest common factor or GCF is the largest factor that all terms have in common. Step 2: Factor out (or divide out) the greatest common factor from each term.

Answer:

peyton is correct because she is the only one with ab even in her awnser

Step-by-step explanation:

Anyone know how to do this?

Answers

Answer:

They cannot form a triangle.

Step-by-step explanation:

A triangle can only be formed if the sum of the lengths of any 2 sides are greater than the 3rd side. 2 + 7 is less than 15, so this cannot be a triangle.

Use the quotient rule to simplify the expression. Write the expression with positive exponents.

Answers

Answer:

[tex]\displaystyle 4^{4}[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Exponential Rule [Dividing]: [tex]\displaystyle \frac{b^m}{b^n} = b^{m - n}[/tex]

Step-by-step explanation:

Step 1: Define

[tex]\displaystyle \frac{4^{-4}}{4^{-8}}[/tex]

Step 2: Rewrite

Exponential Rule [Dividing]: [tex]\displaystyle 4^{-4 - (-8)}[/tex]Subtract Exponents: [tex]\displaystyle 4^{4}[/tex]

What is the rectangular form of Theta = StartFraction 3 pi Over 4 EndFraction?

Answers

Answer:

Step-by-step explanation:

edge

Answer:

C or x+y=0

Step-by-step explanation:

edg

I think the answer is nine but I’m not sure how to explain how I got my answer

Answers

Answer:

ur answer is right it is 9

Step-by-step explanation:

NOTE: divide the number 36 with 4 and u will get 9

GOOD JOB

Please mark as brainliest

Have a great day, be safe and healthy

Thank u

Pleeease help for my exam. Suppose a bag contains 8 silver coins and 2 bronze coins what is the probability of randomly choosing a silver coin not replacing it and then randomly choosing another silver coin??

Answers

Answer: 28/45

Step-by-step explanation:

Cereal costs $2 per box. How many boxes did Joe buy if she spent $6?

Answers

Answer:

3 boxes

Step-by-step explanation:

Take the total spent and divide by the cost per box

$6/ $2

She bought 3 boxes

a number rounded to the nearest thousand is 47000 which number could be the number that was rounded?

Answers

Answer:

46900

Step-by-step explanation:

46900 or 46800 or 46700 or 46600

Find the value of x

Answers

Answer:

it's 60

Step-by-step explanation:

PLEASE HELP will give right answer brainiest

Answers

Answer:

48 -52 and 64 - 66

Step-by-step explanation:

sence it dosent give exact numbers on the graph ur going to have to estimate then to find when it increases look for an interval were it goes up reading from left to right and for decreasing look for an interval that is going down reading the graph left to right

Number 1 is b and number 2 is c

GOD GIVE ME STRENGTH MATH REALLY BE TESTING ME

Answers

Answer: the answer is 162

Step-by-step explanation: good luck with your math test I hope you get a good grade

Find the missing side length of the right triangle below.
26 cm
10 cm
b

Answers

Answer:

Step-by-step explanation:

we'll use the pythagoras theorm, but change it a little

instead of a² + b² = c², we'll use c² - a² = b²

26² - 10² = 576

the square root of 576 is 24, and that's the answer :)

I said 24 as well I think

A BCC professor decides to grade his class as following: 20 percent for homework assignments, 10 percent for quizzes, 25 percent for a midterm, and 45 percent for the final exam. A student receives 70 for homework, 75 for the quizzes, 65 for the midterm and 88 for the final exam. What will be the student’s class grade?

Answers

The grade will round up to around 70 percent the low ones will hold it down

Each bracelet needs 7_2/3 inches of string. If Samantha is making 4 bracelets, how many inches of string does she need?

Answers

Answer:

30.667 inches of string

Step-by-step explanation:

The question is in the graph. Please help.

Answers

Answer:

A I think

Step-by-step explanation:

because if you add them up.

Answer:

Aprox. 216 days

Step-by-step explanation:

Add the counts of the green bar(5-10mm) and the brown bar (0-5mm).

The brown is roughly 130 and the green is roughly 80, which is approx 216 days.

If i helped, a brainliest answer would be greatly appreciated!

Which expression is equivalent to 4/9 divided by 2/3

A) 4/9 x 2/3
B) 4/9 x 3/2
C) 9/4 x 2/3
D) 9/4 x 3/2

Answers

It’s B
Just Keep change flip.

B 4/9 x 3/2 = 2/3. 4/9 divided by 2/3 also equals 2/3

I don’t understand this problem can someone please help !

Answers

Answer:

Step-by-step explanation:

tan 7 = 4.4/x

x = 4.4/ tan 7

x= 35.8 ft

Mr. Conway is leaning a ladder against the side of his house to repair the roof. The top of the ladder reaches the
roof, which is 20 feet high. The base of the ladder is 15 feet away from the house, where Mr. Conway's son is
holding it steady. How long is the ladder? Draw a picture and show your work.

Answers

I am pretty sure the answer is 300 but I cannot draw a picture to show you because I cannot draw on here

a car has a tire radius of 36 cm. a stone gets stuck how many times will it hit the ground when the car travels a distance of 1 kilometer. PLS show your work

Answers

Answer:

2777 times

Step-by-step explanation:

You can choose to convert however you like, as long as you divide when they have the same units.

1km = 1000m = 100000cm

36cm = 0.36m = 0.00036

Hence, 1000m÷0.36m = 2777.77777...

Round down to 2777

The stone will hit the ground approximately 442 times when the car travels a distance of 1 kilometer.

What is speed?

Speed is the measure of how quickly an object travels a certain distance. It is defined as the distance traveled by an object divided by the time taken to travel that distance.

The unit of speed is typically meters per second (m/s) or kilometers per hour (km/h), although other units may also be used depending on the context.

Assuming that the stone is stuck at the bottom of the tire and remains there, the stone will hit the ground every time the tire makes a complete rotation. The circumference of the tire is given by:

C = 2πr

where r is the radius of the tire. Substituting the given value of r = 36 cm, we get:

C = 2π(36) cm ≈ 226.19 cm

Therefore, the tire travels a distance of approximately 226.19 cm with each complete rotation. To find out how many times the stone will hit the ground when the car travels 1 kilometer, we need to convert 1 kilometer to centimeters:

1 kilometer = 1000 meters = 1000 x 100 centimeters = 100000 cm

Dividing the distance traveled by the circumference of the tire, we get:

100000 cm ÷ 226.19 cm/rotation ≈ 442.28 rotations

Therefore, the stone will hit the ground approximately 442 times when the car travels a distance of 1 kilometer.

To know more about speed follow

https://brainly.com/question/30965512

#SPJ2

HELPPPPPPP PLSSSSSS !!

Answers

Answer:

B and C

Step-by-step explanation:

(Urgent) Worth 10 points 7.3

Answers

Answer:

[tex] 2228 \: {ft}^{2} [/tex]

Step-by-step explanation:

Required flooring cover

= Area of the school playground

= Area of square with side 40 ft + Area of semicircle with radius (40/2) i.e. 20 ft

[tex] = {(40)}^{2} + \frac{1}{2} \times 3.14 \times {(20)}^{2} \\ \\ = 1600 + \frac{1}{2} \times 3.14 \times 400 \\ \\ = 1600 + 3.14 \times 200 \\ \\ = 1600 + 628 \\ \\ = 2228 \: {ft}^{2} [/tex]

It cost $5.25 for a bottle of 150 vitamins. if the cost varies directly with the number of vitamins in the bottle, what should a bottle of 250 vitamins cost?
what is the equation o the situation?
Could you please give me the equation and show me how you got it please so I could understand... thanks.

Answers

Answer: $8.75 for 250 vitamins.

Step-by-step explanation:

To find how much each vitamin costs we can divide $5.25 by 150.

5.25/150 = 0.035. So each vitamin is equal to $0.035.

We can then multiply the cost of 1 vitamin by 250.

0.035 x 250 = 8.75 or $8.75.

We can also make an equation for this problem. Let the total cost be equal to y and each vitamin equal to x.

y = 0.035x

So the equation above states that the total cost, y, is the amount of vitamins that are bought.

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