which ordered pair is a solution of the equation y = 4x + 3
A) 5,8
B) 3,15
C) 11,2
D) 1,16​

Answers

Answer 1
I would advise using organic calculator, but I’ll go with the algebraic way!

First we need to substitute each number into the equation. So let’s go with A:

5 is x and 8 is y, therefore:
8=4(5)+3
8=20+3
8=23 => THIS IS INCORRECT!! So we move on to the B!

3 is x and 15 is y
15=4(3)+3
15=12+3
15=15! => THIS IS CORRECT ANSWER!

Related Questions

Hurry!! Worth 10 points

Answers

Answer:

C, i think this is correct!

Answer:

I’m pretty sure it’s C correct me if I’m wrong

-3w+27=6 pls help me im having trouble with this also 13 points

Answers

Answer:

w = 7

Step-by-step explanation:

Step-by-step explanation:

—3w +27=6

—3w=6—27

—3w=—21

w=7

A group of 5 teachers bought 3 pens and 1 eraser each. Their total cost for all the materials was $12.89. If the eraser was $0.97, how much was each pen?

Variable:________________

Equation:________________

Solution:________________

Answers

Answer:

$0.536

Step-by-step explanation:

Variable:

p for pen

Equation:

5(3p + 0.97) = 12.89

Solution:

5(3p + 0.97) = 12.8915p + 4.85 = 12.8915p = 12.89 - 4.8515p = 8.04p = 8.04 / 15p = 0.536

Make x the subject of the formula y = m x + b

Answers

y-b/m=x (you just move everything to the other side)

What is the closure property of multiplication for rational
expressions? Explain why rational expressions are
closed under multiplication.

Answers

Answer:

The closure property states that for any two rational numbers a and b, a × b is also a rational number. The result is a rational number. So rational numbers are closed under multiplication.

Step-by-step explanation:

brainliest plzzzzzz

Closure property under multiplication states that any two rational numbers' product will be a rational number.

What is the closure property of multiplication?

Closure property states that when a set of numbers is closed under any arithmetic operation such as addition, subtraction, multiplication, and division and is performed on any two numbers of the set with the answer being another number from the set itself. This property is applicable for real numbers, whole numbers, integers, and rational numbers.

Closure property under multiplication states that any two rational numbers' product will be a rational number, i.e. if a and b are any two rational numbers, ab will also be a rational number.

Example: 2/3 × 3/5 = 2/5

Here, 2/3 and 3/5 are rational numbers, so 2/5 also rational number.

Therefore, closure property under multiplication states that any two rational numbers' product will be a rational number.

Learn more about the closure property here:

https://brainly.com/question/29798485.

#SPJ2

Help please!! It’s kinda easy so help!!

Answers

Answer:

See below

Step-by-step explanation:

You could leave 47:3 as the improper fraction [tex]\frac{47}{3}[/tex] or the mixed number [tex]15 \frac{2}{3}[/tex].

Answer:

Fraction: [tex]\frac{47}{3}[/tex] .  Mixed fraction: [tex]15\frac{2}{3}[/tex].

Step-by-step explanation:

Ratio = Numerator : Denominator

Using the above information, the ratio 47:3 will be [tex]\frac{47}{3}[/tex] when written as a fraction.

The mixed fraction will be [tex]15\frac{2}{3}[/tex].

Hope this helps!

can someone please help me, ill give brainliest plus points!

Answers

Answer:

9 is the correct answer all the best

Step-by-step explanation:

(x + 0.5)/6 = 19/12

2(x + 0.5) = 19 (multiply 12 on both sides)

x + 0.5 = 9.5 (divide 2 on both sides)

x = 9 (subtract 0.5 on both sides)

The answer is 9.

Hey Guys, I was wondering if you could help What are the constants in this expression: 6x-8+4y+5 out of these choices: 6, 4 6x, -8, 4y, 5 8, 5 6, -8, 4, 5 -8, 5

Answers

Given:

The expression is

[tex]6x-8+4y+5[/tex]

To find:

The constants in the given expression.

Solution:

Terms can be a number, variable and product of both. these are separated by "+" sign.

Variables terms:  These terms contains at least one variable.

Constant terms:  These terms are free from the variables. it means there are no variable.

We have,

[tex]6x-8+4y+5[/tex]

In this expression, the terms are 6x, -8, 4y, 5, variable terms are 6x, 4y and constant terms are -8, 5.

Therefore, the last option is correct, i.e., -8, 5.

What does the expression l∙w represent

Answers

It represents Length times width

so you may see more than one post abt these bc its due at 11:59 lol​

Answers

Answer:

quadrilateral

<3

Step-by-step explanation:

If you can please help me on 6,7,8 that would be amazing thank you!

Answers

Answer:

6. X=12 7. X=11 8. X=16

Step-by-step explanation:

6. Complementary angles add up to 90 degrees

m<S is 52

90-52= 38

m<R is 38

38=3x+2

-2

3x=36

x=12

7.

Lines are always equal to 180

(5x+1)+(12x-8)=180

17x-7=180

+7

17x=187

x=11

8.

These angles are equal to each other '

79= 4x+15

-15

64=4x

x=16

Hope this Helps!

k+a=500
3k+10a=3,600
find k and a using elimination plss helppp

Answers

Answer:

a=300 and k=200

Step-by-step explanation:

Multiply the first equation by -10,and multiply the second equation by 1.

−10(a+k=500)

1(10a+3k=3600)

Becomes:

−10a−10k=−5000

10a+3k=3600

Add these equations to eliminate a:

−7k=−1400

Then solve−7k=−1400for k:

−7k=−1400 (Divide both sides by -7)

[tex]\frac{-7k}{-7} =\frac{-1400}{-7}[/tex]

Now that we've found k let's plug it back in to solve for a.

Write down an original equation:

a+k=500

Substitute200forkina+k=500:

a+200=500

a+200+−200=500+−200(Add -200 to both sides)

a=300

Hope this helps :)

Jaquan practices soccer every three days. He practices basketball every five days Jaquan practiced both today. How many days until he practices both

Answers

Answer: He will practice both on every 15 days.

Step-by-step explanation:

Given: Jaquan practices soccer every 3 days.

He practices basketball every 5 days Jaquan practiced both today.

The number of days until he practices both = Least common multiple of 3 and 5

= 3 x 5    [Both are primes]

= 15

Hence, he will practice both on every 15 days.

Least common multiple  of two numbers p and  q is the smallest number that is divisible by both p and q.

What is the solution of the system.. explain what it means in the solution

Answers

Answer:

The solution is (4,250)

Step-by-step explanation:

This means that when a member of either gym (A or B) signs up for a four-month membership, they pay the same amount - $250.  Hope this helps :)

Factor the expression below.4x2 - 1
O A. (x - 1)(4x - 1)
O B. (x - 1)(4x + 1)
O C. (2x - 1)(2x + 1)
O D. (2x - 1)(2x - 1)

Answers

Answer:

C. (2x – 1)(2x + 1)

Step-by-step explanation:

4x² – 1 = (2x)(2x) – 1 = (2x – 1)(2x + 1)

C is correct for that

Find the (a) GCF and (b) LCM of 16 and 20.

Answers

Answer:

a) 4

b) 80

Step-by-step explanation:

N/A

95 km = ___ cm im giving brainiest, show work pls

Answers

Answer: 9500000

Step-by-step explanation: 95 × 100000 = 9500000

*Multiply the value by 100000*

Use any order, any grouping to write an equivalent expression: 3(2x) + 4y(5) + (4 x 2 x z)

Answers

Answer:

We conclude that the equivalent expression is:

[tex]3\left(2x\right)+4y\left(5\right)+\left(4\times \:2z\right)=6x+20y+8z[/tex]

Step-by-step explanation:

Given the expression

[tex]3\left(2x\right)+4y\left(5\right)+\left(4\times \:2z\right)[/tex]

Remove parentheses: (a) = a

[tex]=3\times \:2x+4\times \:5y+4\times \:2z[/tex]

Multiply the numbers: 3 ×  2 = 6

[tex]=6x+4\times \:5y+4\times \:2z[/tex]

Multiply the numbers: 4 × 5 = 20

[tex]=6x+20y+4\times \:2z[/tex]

Multiply the numbers: 4 × 2 = 8

[tex]=6x+20y+8z[/tex]

Thus, we conclude that the equivalent expression is:

[tex]3\left(2x\right)+4y\left(5\right)+\left(4\times \:2z\right)=6x+20y+8z[/tex]

Given that x satisfies the inequality 20x > 33,
find the smallest value of x if x is a prime
number.

Answers

Answer:

2

Step-by-step explanation:

Please let me know if you want me to add an explanation as to why this is the answer. I can definitely do that, I just wouldn’t want to write it if you don’t want me to :)

Answer:

20x > 33 = 2

Step-by-step explanation:

divide 20x by 20 do the same with 33

20x/20 > 33/20

x > 1.65

1 isnt a prime number and the closest prime number to 1.65 is 2

the answer is x > 2

Antonio orders an iPhone case off of Amazon for $27. He has to pay an additional 3% for shipping and handling. How much will his total bill be?

Answers

Answer:

We conclude that total cost/bill will be: $27.81  

Step-by-step explanation:

Given

The cost of an iPhone case = $27

Additional expense = 3% = 3/100 = 0.03

To determine

Total bill = ?

The expense amount can be calculated by multiplying the cost of an iPhone case by the additional expense

i.e.

Expense Amount = cost of an iPhone case × additional expense

                             = 27 × 0.03

                             = $0.81

The total cost is calculated by adding the expense amount and the original cost of an iPhone case.

i.e.

Total cost/bill = Expense Amount + cost of an iPhone case

                  = $0.81 + $27

                  = $27.81

Therefore, we conclude that total cost/bill will be: $27.81            

A system of equations is shown below.
2x + 3y = 12
x = -2y + 10
What is the solution to this system?

Answers

Step-by-step explanation:

[tex]2x + 3y = 12 \\ x = - 2y + 10 \\ 2( - 2y + 10) + 3y = 12 \\ - 4y + 20 + 3y = 12 \\ - y = - 8 \\ y = 8 \\ x = - 2y + 10 \\ x = - 2 \times 8 + 10 = - 6 \\ [/tex]

(-6 , 8)

a linear equation in one variable (the variable x) that can be transformed into an equivalent equation in which these forms has no solution? select one that applies


a. x=0
b. 0=0
c. 0=1

Answers

B is correct!

Have a good day!

find the surface area of a cube having edge 1 units​

Answers

Answer:

surface area = 6a^2 = 6

hence are = 6 unit.sq

you currently pay $10,400 a year for grounds maintenance. it is predicted that competition in the marketplace will force a 3% reduction in price for the next 3 years. with this trend, what will the price shrink to in three years?

a. $3,249
b. $9,404
c. $9,492
d. $10,297

Answers

Answer:c= the price will be of $9, 492

Step-by-step explanation:

Hope this helps

Can a triangle with side lengths of 15, 13, and 6 can be classified as a right triangle? ? and why?​

Answers

Answer:

The triangle cannot be classified as right angled triangle.

Step-by-step explanation:

Given measurements are;

15, 13 and 6.

In right angle triangle, the sum of square of lengths of smaller sides is equal to square length of larger side.

Therefore,

[tex](6)^2 + (13)^2 = (15)^2\\36 + 169 = 225\\205 \neq 225[/tex]

Hence,

The triangle cannot be classified as right angled triangle.

How do I do this? I’m not really sure.

Answers

Answer:

Step-by-step explanation:

f(x) + g(x) = 3x^2 + 2x - 1 + x^2 - 3x + 1

f(x) + g(x) = 4x^2 - x

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

f(x) - g(x) = 3x^2 + 2x - 1 - x^2 + 3x - 1

f(x) - g(x) = 2x^2 + 5x - 2

What could be a common denominator for 1 1/2 and 3/4

Answers

Answer:

1 1/2 =36/24. And 3/4 is already a common denominator

Step-by-step explanation:

i dont know how to do thiss can someone help

Answers

Step-by-step explanation:

REO=RBO=67

BOR=ERO=91

REB=REO-BE0=67-32=35

RYE=180-ERO-REB=180-91-35=54

520 feet in 16 seconds
Write the following rate as a unit rate
Please help Asap

Answers

Answer:

520 per 16 seconds.

Step-by-step explanation:

please help me on this will give you brainliest

Answers

There! Finally lol. Pls correct me if I’m wrong but I think I got it
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