Is (3,15) a solution for y = 5x

Answers

Answer 1

Answer:

yes

Step-by-step explanation:

15 = 5(3)

15 = 15

Answer 2

Answer:

Yes

Step-by-step explanation:

15 = 5(3)

15 = 15


Related Questions

Use the points (2, 2485.6) and (6, 1172.5) to write an equation of the line of fit in slope-intercept form. Let x be the years since 2010 and let y be the number of CDs in millions sold.

Answers

Answer:

y = -328.275x + 1829.05

Step-by-step explanation:

In this case, we need to write an equation of this form:

y = ax + b  (1)      a: slope    b: intercept

In order to calculate the slope, we need to use the following expression:

a = y₂ - y₁ / x₂ - x₁     (2)

So, we have two points here, so, from these points we can identify each of the elements so we can determine the slope.

Point 1: (2, 2485.6)

Point 2: (6, 1172.5)

The slope of this equation will be:

a = 1172.5 - 2485.6 / 6 - 2

a = -328.275

Now that we have the slope, to get the intercept "b", we just use any of the given points, and replace in the general equation (1) to solve for b:

2485.6 = -328.275(2) + b

b = 2485.6 - 656.55

b = 1829.05

With the value of a and b, we can write the general equation of the line for this:

y = -328.275x + 1829.05

Hope this helps

Answer:

the person above me is wrong!

(answer is in the picture)

Pls Help!!! Evaluate each expression for the given value of each variable.
...

Answers

You have to substitute each of the numbers given.

a.
2 + (3)^3
2 + 27
Answer: 29

b.
(1/2)^2
Answer: 1/4

c.
3(5)^2 + (3)
75+3
Answer: 78

d.
10(4) + (6)^2
40 + (6)^2
40 + 36
Answer: 76

Find the actual length in feet 2 inches = 5 feet

Answers

Answer:

1) 25

2) 20

3) 27.5

4) 16.25

5) 50

6) 41.25

Example on the bottom:

102.5

Think I got it right...

Solve the equation.
4(x + 6) = 2(2x + 12)

Answers

Answer:

0

Step-by-step explanation:

Answer:

All Real Numbers

Step-by-step explanation:

[tex]4(x + 6) = 2(2x + 12)[/tex]

divide both sides by 2

[tex]2(x + 6) = 2x + 12[/tex]

[tex]2x + 12 = 2x + 12[/tex]

this is enough to prove that it's all real numbers, but it can be simplified even more

[tex]2x=2x[/tex]

subtract 2x from both sides

[tex]0=0[/tex]

0 will always equal 0, so x is all real numbers

How many 0.8 liter glasses can be filled by a 6.8 liter pitcher?

Answers

Answer:

8.5 glasses

Step-by-step explanation:

6.8L / 0.8L = 8.5 glasses

Answer:

8 glasses

Step-by-step explanation:

You divide [tex]6.8/0.8[/tex]

This gives you 8.5 glasses

since 9 glasses is too much, at 7.2 liters. The maximum glasses possible is 8 assuming you're not filling a half of the glass which would be 8.5 glasses.

⚠️I NEED HELP PLEASE⚠️

Fcator: x^2-18x+72=0
*work please*

Answers

Answer:

x = 12, 6

Step-by-step explanation:

Factor using the AC method.

Consider the form x² + bx + c. Find a pair of integers whose product is c and whose sum is b . In this case, whose product is 72 and whose sum is -18.

-12, -6

Write the factored form using these integers.

(x - 12)(x - 6) = 0

If any individual factor on the left side of the equation is equal to  0, the entire expression will be equal to 0.

x - 12 = 0, x = 12

x - 6 = 0, x = 6

i hope this helps, good luck :)

if a ball is rolling down hill and accelerating at a rate of 2m/s^2 because of a 2N net force. What is the mass of the ball?

Answers

Answer:

1kg

Step-by-step explanation:

According to Newton's second law

Force = mass * acceleration

Given

Force = 2N

acceleration = 2m/s^2

Mass =Force/Acceleration

Mass = 2/2

Mass =1kg

Hence the mass of the ball is 1kg

the perimeter of a rectangular court is 224 feet. The length is 4 feet more than the width. Write and solve an equation to find the dimension of the court.​

Answers

Perimeter = 2l + 2w
L=4+x
W= x

224 = 2(4+x) + 2x
224 = 8+2x+2x
216 = 4x
54 = x

Plugging x = 54 into initial dimensions:
L = 54 + 4 = 58
W = 54

5/6-1/4 What is the Lowest Common Denominator of the two fractions?

Answers

i believe 12 is your awnser but don’t trust me i’m a freshman and we stopped doing this awhile ago

On the grid below, which point is located in the quadrant where the x-coordinate is a negative number and the y-coordinate is a positive number?

A coordinate plane is shown. Point A is in quadrant 1, point B is in quadrant 2, point C is in quadrant 3, and point D is in quadrant 4.

A
B
C
D

Answers

Answer:

B

Step-by-step explanation:

Quadrant 1 is (+,+), quadrant 2 is (-,+), quadrant 3 (-,-), and quadrant 4 is (+,-).

Line A passes through the points (220, 125) and (300, 75). Line B passes through the points (0, 0) and (30, 25). At what point do the lines intersect?

Answers

Answer:

No, Isiah is not correct. The GCF of the coefficients is 1, and there are no common variables among all three terms of the polynomial. 5b4 is a factor of -25a2b5 and -35b4, but not a3. Additionally, a2 is a factor of a3 and -25a2b5, but not -35b4

a varies jointly as the square root of the product of b and c. if a = 24 when b = 8 and c= 2 , find v when a = 48 and c = 4​

Answers

Answer:

b = 16

Step-by-step explanation:

× stands for varies

a × √bc,

a = k√bc,

when a = 24, b = 8, c= 2

a = k√bc

24 = k√8•2

24 = k√16

24 = 4k

dividing both sides by 4

k = 24/4

k = 6

a = 6√bc (standard equation)

find b when a = 48 and c = 4

a = 6√bc

48 = 6√b•4

dividing both sides by 6

48/6 = √b•4

8 = √b•4

squaring both sides

8^2 = b•4

64 = b•4

b = 64/4

b= 16.

Thrrefore when a = 48, c = 4, b = 16.

Which of the following is equivalent to 5 · (7 · 4)? *
A. 35
B. (5 · 7) · 4
C. 5 · (4 · 4)
D. 5 + (7 + 4)

Answers

B because you multiply 7 times 4 that’s 28 then times 5 that’s 140 so for b you do 5 times 7 that’s 35 then times 4 that’s 140 so b is the correct answer, hope it helps

Last weekend, Mia ran 5% of a mile and Terrel ran 5/15 of a mile. Who ran a
larger portion of a mile? *

Answers

Answer:

Terrel ran a larger portion of mile

Step-by-step explanation:

5% of a mile is approximately

0.05 miles

5/15 of a mile is approximately

0.33 miles

so Mia ran 0.05 miles, Terrel ran 0.33 miles

a telephone booth 7 ft tall casts a shadow 20 ft long. At the same time, a nearby fire hydrant casts a shadow 8 ft long. Find the height of the fire hydrant

Answers

Answer:

2 4/5 feet

Step-by-step explanation:

let 'x' = height of fire hydrant

7/20 = x/8

cross-multiply:

20x = 56

x = 56/20 or 14/5, which is 2 4/5

a line with a slope of 1 passes through the point (-7,-5). what is its equation in slope- intercept form? (y=mx+b)

Answers

Answer:

         y = x + 2

Step-by-step explanation:

Equation of line with a given slope of a and containing a given point (x₀, y₀):

y - y₀ = a(x - x₀)

a = 1,  x₀ = -7,  y₀ = -5

Therefore:

y - (-5) = 1(x - (-7))  

y + 5 = x + 7

y = x + 7 - 5

y = x + 2

how many times does 21 go into 3

Answers

Answer:

it cant go into it, but if you mean 3 going into 21, its 7

Step-by-step explanation:

Answer:

7 it is 7

Step-by-step explanation:

you mean 3 into 21

A horizontal translation is used to move quadrilateral WXYZ onto quadrilateral
W′X′Y′Z′.

Use the drop-down menus to describe the horizontal translation used.

Answers

Quadrilateral W X Y Z is translated -10 units to the x axis

Or

Quadrilateral W X Y Z is translated 10 units to the -x axis

Answer:

10, left

Step-by-step explanation:

angle A = 18° and angle B = 25°. Find angle C.

Answers

Answer: Angle C: 137 degrees

Step-by-step explanation:

A+B+C=180

18+25+C=180

C=137

Step-by-step explanation:

triangle add U to 180

18 + 25 = 43

180 - 43 = 137 degree is c

Please Help File Is Attached

Answers

Answer:

x=25

10= 125

Step-by-step explanation:

2/50 is the answer to find 1

so 1= 25

and x means 1

to find 10 u multiply 25 with 10

hope i help its hard to explain but hope its well explained :)

4-(-4x - 3) > 36.
Show your work.​

Answers

Step-by-step explanation:

4-(-4x-3) > 36

4 + 4x +3 > 36

4x + 7 > 36

4x > 36-7

4x > 29

x > 29/4

1. Maggie keeps track of daily bird sightings. The table below shows the number and type of swans that were seen in one day. What percent of the swans were mute swans? Round your answer to the nearest tenth of a percent.

Answers

Answer:

hello! i just did this problem and the answer is 12.2%

Step-by-step explanation:

first we need to add all of the swans together, then from there you take the amount of mute swans and divide it by the sum of all the swans! finally, multiply by 100 to convert into a percent and round it to 12.2%

hope this helped plz give me brainliest! <3

The solution is 12.2 %

The percentage of mute swans is given by the equation A = 12.2 %

What is an Equation?

Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.

It demonstrates the equality of the relationship between the expressions printed on the left and right sides.

Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.

Given data ,

Let the percentage of mute swans be represented as A

Now , the equation will be

Let the total number of swans be S

The number of mute swans = 5  swans

The number of Trumpeter swans = 34 swans

The number of Tundra swans = 2 swans

So , the total number of swans S = 5 + 34 + 2 = 41 swans

And , the percentage of mute swans A = ( number of mute swans / total number of swans S ) x 100

Substituting the values in the equation , we get

The percentage of mute swans A = ( 5/41 ) x 100

On simplifying the equation , we get

The percentage of mute swans A = 0.1219 x 100

The percentage of mute swans A = 12.19

The percentage of mute swans A = 12.2 %

Therefore , the value of A is 12.2 %

Hence , the percentage is 12.2 %

To learn more about equations click :

https://brainly.com/question/19297665

#SPJ2

8 + Зу = 8 +4y

PLEASE HELP

Answers

Answer:

16+7y

Step-by-step explanation: More info please. To me it looks like you are adding common factors.

Find the least common multiple of 15, 2, and 3.

Answers

Answer:

the LCM for 15, 2, and 3 is 30

Answer:

The Least Common Multiple of 15, 2, and 3, is 30

Step-By-Step

In order to determine the least common multiple (LCM), list the multiples of each number

3: 3, 6, 9, 12, 15, 18, 21, 24, 27, 30!!, 33, 39...

2: 2, 4, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24, 26, 28, 30!!!

15: 15, 30!!!!!!!!!

Please answer this today - First correct answer becomes brainliest


Suppose you know x+2y=-1 and 3y-x=-19. What is xy?

Answers

{ x+2y = -1
{ 3y-x = -19

{ x = -1-2y
{ -x = -19-3y

{ x = -1-2y
{ x = 19+3y

-1-2y = 19+3y
y = -4

x = 19+3(-4)
x = 7

(x,y) = (7,-4)

——
check solution
{ 7+2(-4)=-1
{ 3(-4)-7=-19

{ -1 = -1
{ -19 = -19

Write 10,000 in scientific notation

Answers

1*10^4
Or
10^4
Either way

Simplify (p^2)^5
Paper one maths gcse question higher

Answers

Answer:

the answer is p^10 I put the explanation up

1.5 in fraction form

Answers

Answer:

[tex]1\frac{1}{2}[/tex] or, [tex]\frac{3}{2}[/tex]

Step-by-step explanation:

1.5 = [tex]1\frac{1}{2}[/tex]

Answer:

Simplest Form: 1 [tex]\frac{1}{2}[/tex]

Other forms you can use:

1 [tex]\frac{2}{4}[/tex]

1 [tex]\frac{3}{6}[/tex]

1 [tex]\frac{4}{8}[/tex]

1 [tex]\frac{5}{10}[/tex]

Joanne bought 5 candy bars for $3.50. How much is each candy bar? pls help !!

Answers

Answer:

70 cents

Step-by-step explanation:

all you have to do is divide $3.50 and 5 :)

$0.70 or 70 cents
Explanation:
All you have to do is take $3.50 divided by 5. You’ll get 0.7.

can you find the area for this?

Answers

Answer:

[tex]74.88yd^{2}[/tex]

Step-by-step explanation:

[tex]A=9.6*4.7+2*.5*9.6*(\frac{10.9-4.7}{2} )=74.88yd^{2}[/tex]

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