Mathematics College

negative 5x plus 4y equals 3 i need x and y thank youu

Answers

Answer 1

Answer:

put value of y in equation i

Related Questions

Simplify x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2.

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Answer:

what do you mean

Step-by-step explanation:

Answer:

x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 + x + 2 = 9x+18

so there are 9 twos or 18 and 9x. No value is provided for x so the answer is 18+9x.

Step-by-step explanation:

A rectangle has a length 3 times the width. What is the perimeter in terms of x?

Answers

Answer:

Perimeter is equal to all four sides added together.

Length = 3W; L=3W

P = 2(W) + 2(L) substitute the equation for length above you get

P = 2(W) + 2(3W) and combine

P = 2W + 6W = 8W; put in what the perimeter is and solve for W

66 = 8W, so W = 8.25

W = 8.25, L = 24.75

Question 11 (1 point)
Evaluate the function.
Given f(x) = x2 - 5x + 5, find f(3).

Answers

Answer:

f(3) =-1

Step-by-step explanation:

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

Let x=3

f(3) = 3^2 -5(3) +5

= 9 -15+5

= -6+5

=-1

f(3) = (3)2 - 5(3) + 5
f(3) = -4

Tanisha jogs about 8 miles in 2 hours. How long will it take her to jog 12 miles?

Answers

Answer:

its will take 3 hours

Solve −2x − 15 = 6x + 9. (1 point) Question 5 options: 1) 3 2) −3 3) −1 4) 6

Answers

Here are the steps I used to solve it

Answer:

2) x = -3

Step-by-step explanation:

Collect like terms, so gather all your x's on one side, and numbers in the other. Add -6x and +15 to both sides, so you get -2x - 6x = +9 + 15, so we have -8x = 24, divide both sides by -8 you get x = -3.

A town doubles its size every 70 years. If the population is currently 3,000, what will the population be in 140 years?

Answers

Answer:

12000

Step-by-step explanation:

3000x2^(140/70)

12,000

3000*2= 6000
6000*2= 12,000

Who wants a foot cream pop tart

Answers

Answer:

ThAt sOunDs dEliCiOus

Step-by-step explanation:

Psych it sounds awful lol

me i want a foot cream pop tart

6. Y(3.5, 1), Z(-4, 2.5)
Please help

Answers

Answer:

Answer given below

Step-by-step explanation:

5. Root 104 = 10.1

10.1 x 0.5 = 5.05 miles

Here is some information about the goals scored in some hockey games.

I need to respond questions B and C

Answers

Answer:

c=10

Step-by-step explanation:

Which point(s) on the diagram show(s) the solution(s) to the equation x = x2 - 2x - 8?
solution 1
solution 2

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Answer:here is the answer on yt

Step-by-step explanation:

https://youtu.be/dQw4w9WgXcQ

a ant traveled 8 meters in 10 minutes. How many minutes did it take him to travel one meter?

Answers

Answer:

1 1/4 minutes of 75 seconds

Step-by-step explanation:

10/8 = 5/4 = 1 1/4

Suppose that 60% of students live in AnyTown. Find the probability that:
Round to three decimals.
A) Exactly 5 out of 10 randomly chosen students live in AnyTown
B) More than 5 students out of 10 live in AnyTown
C) The first AnyTown resident you find is the 5th person you ask

Answers

Answer:

Step-by-step explanation:

5 chose 10 = 10*9*8*7*6/1/2/3/4/5 = 252

252 * (0.6)^5 * (0.4)^5 = 0.201

6C10 * (0.6)^6 * (0.4)^4 + ... 10C10(0.6)^10 = 0.633

(0.4)^4*0.6 = 0.015

Which investment would make you the most interest? Explain.

A: $450 at 7% for 10 years

B: $1,300 at 5% for 6 years

Answers

B is the answer dear

If a 60-page magazine cost $1.20 to print, find the cost per page to print?

Answers

Answer:

2 cents per page

Step-by-step explanation:

1.2/60 = 0.02 dollars

==> 2 cents

a square garden has a diagonal of 12 m. What is the perimeter of the garden? Express in simplest radical form

Answers

Answer:

The perimeter of the garden, in meters, is [tex]24\sqrt{2}[/tex]

Step-by-step explanation:

Diagonal of a square:

The diagonal of a square is found applying the Pythagorean Theorem.

The diagonal of the square is the hypothenuse, while we have two sides.

Diagonal of 12m:

This means that [tex]d = 12[/tex], side s. So

[tex]s^2 + s^2 = 12^2[/tex]

[tex]2s^2 = 144[/tex]

[tex]s^2 = \frac{144}{2}[/tex]

[tex]s^2 = 72[/tex]

[tex]s = \sqrt{72}[/tex]

Factoring 72:

Factoring 72 into prime factors, we have that:

72|2

36|2

18|2

9|3

3|3

[tex]72 = 2^{3}*3^{2}[/tex]

So, in simplest radical form:

[tex]s = \sqrt{72} = \sqrt{2^{3}*3^{2}} = \sqrt{2^3}*\sqrt{3^2} = 2\sqrt{2}*3 = 6\sqrt{2}[/tex]

Perimeter of the garden:

The perimeter of a square with side of s units is given by:

[tex]P = 4s[/tex]

In this question, since [tex]s = 6\sqrt{2}[/tex]

[tex]P = 4s = 4*6\sqrt{2} = 24\sqrt{2}[/tex]

The perimeter of the garden, in meters, is [tex]24\sqrt{2}[/tex]

Write an equation that relates the number of peppers, n, and the

cost, C.

Answers

Complete Question:

The local Farm Market sells peppers at five for $2.25. Write an equation that relates the number of peppers, n, and the cost, C.

Answer:

[tex]C = 0.45n[/tex]

Step-by-step explanation:

Given

[tex]5\ peppers = \$2.25[/tex]

Required

Determine the relationship between C and n

[tex]5\ peppers = \$2.25[/tex]

Divide both sides by 5, to get the cost of 1 pepper

[tex]\frac{5\ peppers}{5} = \frac{\$2.25}{5}[/tex]

[tex]1\ pepper = \frac{\$2.25}{5}[/tex]

[tex]1\ pepper = \$0.45[/tex]

Multiply both sides by n to get the cost of n pepper

[tex]n*1\ pepper = \$0.45*n[/tex]

[tex]n\ pepper = \$0.45n[/tex]

So, we have:

[tex]C = 0.45n[/tex]

Need help on this please any one

Answers

if you use y=mx+b that should help you get it

Try the app Desmos. Basically a graph and you type t he equation in.

What is the standard form of the equation 9(g-5h)

Answers

9g-45h, you have to distribute 9

How does 17- (-15) compare to 17-0

It is due there is 5 minutes please complete this. I will give brainlest, and extra points just complete this please

Answers

17-(-15)=32
17-0=0
They are not equivalent so they are different.
Also for future reference when you have 2 minus signs they equal a addition sign.
Hope this helps :) GL

A triangle has an area of 36 cm². The base and height are scaled by a factor of 5.
What is the area of the resulting triangle?
Enter your answer in the box.

Answers

Answer:

900

Step-by-step explanation:

The area of the final triangle would be 900 cm².

What is scale factor?

Scale factor is used to compare the final and initial dimensions of the figure. Mathematically, we can write scale factor -

{K} = {final dimensions/initial dimensions}

Given is that a triangle has an area of 36 cm². The base and height are scaled by a factor of 5.

Assume the initial dimensions of the triangle be {x} and {y} respectively. So, we can write the initial area as -

{1/2}{x}{y} = 36

{x}{y} = 72

After the scaling, we can write the final area as -

A = {1/2}{5x}{5y}

A = {25/2}{x}{y}

A = 12.5 x 72

A = 900 cm²

Therefore, the area of the final triangle would be 900 cm².

To solve more questions on scale factor, visit the link below-

https://brainly.com/question/30948953

#SPJ2

If the simple interest on $2,000 for 3 years is $300 then what is the interest rate?

Answers

Answer:

100 dollars a year

Step-by-step explanation:

GIVING BRAINLIEST AND EXTRA POINTS TO BEST EXPLAINED ANSWER EVER!

Answers

Answer:

3/16 of her garden are red roses

she was not correct, 2/4 is not equal to 3/16

Step-by-step explanation:

3/4 garden are roses

1/4 of those are red (1/4 of 3/4)

3/4 (1/4) = 3/16 of her garden are red roses

Answer:

Yes she is correct because if you have the 3/4 u still have 1/4 un planted an then she adds the 1/4 an that would make it 2/4.

Step-by-step explanation:

hope this helps

HELLPPP NEED TO DO THIS BEFORE 7:00

Answers

Answer:

Step-by-step explanation:

it's just 4 2/3 divided by 2/3, right?

Factor by grouping 8y3–4y2–14y+7

Answers

Answer:

[tex](2y - 1)( {4y}^{2} - 7)[/tex]

Step-by-step explanation:

1) Factor out common terms in the first two terms, then in the last two terms.

[tex] {4y}^{2} (2y - 1) - 7(2y - 1)[/tex]

2) Factor out the common term 2y - 1.

[tex](2y - 1)( {4y}^{2} - 7)[/tex]

Therefor the answer is, ( 2y - 1 ) ( 4y² - 7 ).

Answer:

[tex] \huge \boxed{ \boxed{ \red{ \sf (4 {y}^{ {2} } - 7)(2x - 1)}}}[/tex]

Step-by-step explanation:

to understand thisyou need to know about:factoringPEMDASgiven:[tex] \sf 8 {y}^{3} - 4 {y}^{2} - 14y + 7[/tex]to do:factoringtips and formulas:

how to factor

factor out common constants and termsgrouplet's do:

[tex] step - 1 : define \\ \sf{8y}^{3} - {4y}^{2} - 14y + 7[/tex]

[tex] step - 2 : solve[/tex]

[tex] \sf factor \: - 7 \: and \: 4 {y}^{2} \: from \: the \: expression : \\ \sf 4 {y}^{ {2} } (2y -1 ) - 7(2y - 1)[/tex][tex] \sf \: group : \\ \sf (4 {y}^{ {2} } - 7)(2x - 1)[/tex]

The average score in an examination taken by 52 students of a class is 85. If the scores of the best 5 performers are not considered, the average score of the remaining students falls by 2. If, none of the first five highest scorers is not below 80 and if each of the 5 top scorers had distinct integral scores, find the maximum possible score of the topper.

Answers

Answer:

177

Step-by-step explanation:

If the top 5 performers are not considered, the average drops by 2.

Thus,average without top 5 performers = 85 - 2 = 83

Total scored with 5 table toppers = 52 × 85 = 4420

Total scored without 5 table toppers = 47 × 83 = 3901

Total scores of top 5 table toppers = 4420 - 3901 = 519

We are told that each of the 5 top scorers had distinct integral scores.

Also, all of them will score greater than 83.

Thus,possible maximum score of table topper = 519 - (84 + 85 + 86 + 87) = 177

The difference of the squares of two positive consecutive even integers is 52. Find the integers. Use the fact that, if x represents an even integer, then x + 2 represents the next consecutive even integer

Answers

Answer:

12 and 14

Step-by-step explanation:

Let x represents an even integer. Another positive consecutive even integer will be (x+2).

According to question,

The difference of the squares of two positive consecutive even integers is 52 i.e.

[tex](x+2)^2-x^2=52\\\\x^2+4+4x-x^2=52\\\\4+4x=52\\\\4x=52-4\\\\4x=48\\\\x=12[/tex]

First integer = 12

Another integer = 12+2 = 14

Barbara needed 3 and 1/4 cups of flour for her recipe. If she measured 1/4 cup at a time, how many times did she have to fill the measuring cup?

Answers

Answer:

3/4

Step-by-step explanation:

A new section of the freeway will be 6 3/5 miles long. So far 1/6 of the new section has been completed. How many more miles must be built to complete the project?

Answers

Divide 1/16 by 3/5 and you get .104 we can check by multiplying our answer by 3/5 and we get 1/16

find the equation of a straight line passing through the point (1,2) and making an intercept of 3 on the positive y-axis.

Answers

Given: the points (1|2) and (0|3) lie on the line.

Question: equation of the line.

Solution:

General equation of a line: y = kx+d,

whereby:

the point (y|x) lies on the line
When x = 0, y = d
The point (0|3) says that d = 3.

So far, the equation is y = kx +3 ……… (1)

Inserting the point (1|2) into (1):

2 = k(1) + 3 => 2–3=k => -1 = k

Putting k into (1):

y = -1x + 3 => y = -x + 3 => y = 3 - x

Answer:

y = 3 - x

PLZ HELP
x-5(x-1) = x- (2x-3)

Answers

Answer:

Step-by-step explanation:

x-5(x-1) = x- (2x-3)

x + x *(-5) + (-1) * (-5) = x + 2x*(-1) + (-3)*(-1) {use distributive property}

x - 5x + 5 = x - 2x +3 {Combine like terms}

-4x + 5 = - x +3 {Add 'x' to both sides}

-4x + 5 + x = -x + x + 3

-3x + 5 = 3 {subtract 5 from both sides}

-3x = 3 - 5

-3x = -2 {Divide both sides by (-3)}

x = -2/-3

x = 2/3

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