Mathematics High School

PLEASE HELP, DUE SOON!! What is the value of x?
(5x)
3x + 18)

Answers

Answer 1

Answer:

x=9

Step-by-step explanation:

5x=3x+18

subtract 3x

2x=18

x=9

Answer 2

Answer:

[tex]15^2+90x[/tex]

Step-by-step explanation:

Related Questions

Sam counted his heartbeats while resting. His heart beat 220 times in 4 minutes. Sam's heart beat at the same rate for the 4 minutes. Complete the ratio of beats to minutes.

Answers

Answer:

220 to 4

Step-by-step explanation:

Your welcome

PLEASE HURRY A triangle and two of its side lengths are shown in the diagram. Which measurement is closest to the value of x in feet? The diagram show a triangle that has 3.7ft on the left side, 14.3 ft on the right/slanted side, and x at the bottom PLEASE HELP ME

Answers

Answer:

[tex] x = 13.8 ft [/tex]

Step-by-step explanation:

Since it's a right triangle, apply pythagorean theorem.

The formula is given as a² + b² = c²

Where,

a = 3.7 ft

c = 14.3 ft

b = x

Plug in the values into the formula:

[tex] 3.7^2 + x^2 = 14.3^2 [/tex]

[tex] 13.69 + x^2 = 204.49 [/tex]

Subtract 13.68 from both sides

[tex] x^2 = 204.49 - 13.69 [/tex]

[tex] x^2 = 190.8 [/tex]

[tex] \sqrt{x^2} = \sqrt{190.8} [/tex]

[tex] x = 13.8 [/tex] (nearest tenth)

What is the approximate percent increase when the population of a town increases from 12,089 to 15,025? Round the population amounts to the nearest thousand to find an estimate of the percent increase.
The percent increase is approximately 10%.
The percent increase is approximately 25%.
The percent increase is approximately 33%.
The percent increase is approximately 80%.

Answers

Answer:

The percent increase is approximately 10%

Step-by-step explanation:

so in other words a is correct!

Answer:

Step-by-step explanation:

Took the test on Edg. Gotten it correct

Are the two triangles congruent? Why or why not?

Answers

Answer:I think yes, not sure tho

Step-by-step explanation:

Answer:

no because they arent the same size

Step-by-step explanation:

A garden is 6 yards 24 inches wide and 5 yards long.
The ratio in simplest form is ??

Answers

4 : 3 ratio
Break it down to inches and simplify

Why is the value of a substance’s specific gravity always the same numerically as its density?
HELP ME PLEASE!!!
Because it is always the substance’s density divided by the density of water which is 1 g/cm 3
Because it is always the substance’s density multiplied by the density of water which is 1 g/cm 3
Because specific gravity is the inverse of density
Because these represent the same measurement

Answers

greetings i may be late but yes answer A is correct

Option A is correct, Because it is always the substance’s density divided by the density of water which is 1 g/cm 3

What is Density?

The density, or more precisely, the volumetric mass density, of a substance is its mass per unit volume.

Given that the value of a substance’s specific gravity always the same numerically as its density.

Because density has units and specific gravity is dimensionless, the two are never the same, but they are numerically equal when three conditions are met

Density is measured in grammes per cubic centimetre, grammes per millilitre, or kilogrammes per litre

Density and Specific Gravity are measured at the same temperature

Hence, option A is correct, Because it is always the substance’s density divided by the density of water which is 1 g/cm 3

To learn more on Density click:

https://brainly.com/question/29775886

#SPJ2

Question 2 (5 points)
(07.02)
Simplify (3x - 5) + (3x + 6). (1 point)
Оа
бx - 1
Oь
1
Ос
бx - 11
Od
бx + 1

Answers

(3x-5) + (3x+6) can be simplified to 6x-1. Just combine like terms to find your answer!

Answer:

Option d: 6x +1

Step-by-step explanation:

Part 6
If you drew a line segment from the point when Kiley reached the walting area to the point when the plane took off, at which
point would the line segment end?

Answers

Answer:14,26.

Step-by-step explanation:

That's good hope this helps

simplify 9x^2y^-3 for x=5 and y=3

Answers

Answer:

8 1/3 or 25/3

Step-by-step explanation:

Answer:

Exact Form: 25/3

Decimal Form: 8.3r (r = repeating)

Mixed Number Form: 8 1/3

Find The Value Of X When 6-2x = 6x-10x+6. The Value Is

Answers

Answer:

x = 0

Step-by-step explanation:

6 - 2x = 6x - 10x + 6

1. Isolate the variable (x)

Add 2x to both sides

6 - 2x = 6x - 10x + 6 -> 6 = 6x - 10x + 2x + 6

Subtract 6 from both sides

6x - 10x + 2x + 6 -> 0 = 6x - 10x + 2x

2. Combine like terms

0 = 6x - 10x + 2x -> 0 = -2x

3. Solve

Divide both sides by -2

0 = x

*Note: 0 divided by anything is 0 so 0/-2 is 0

(unless it is 0/0 which equals 1)

Select the correct answer. Given: ∆ABC Prove: A midsegment of ∆ABC is parallel to a side of ∆ABC. Statement Reason 1. Define the vertices of ∆ABC to have unique points A(x1, y1), B(x2, y2), and C(x3, y3). given 2. Let D be the midpoint of and E be the midpoint of . defining midpoints 3. definition of midpoints 4. slope of slope of definition of slope 5. slope of = slope of Transitive Property of Equality 6. definition of parallel lines 7. Let F be the midpoint of . defining a midpoint 8. definition of midpoint 9. slope of slope of definition of slope 10. 11. definition of parallel lines 12. Similarly, is parallel to . steps similar to steps 1−11 What is the missing step in this proof? A. Statement: slope of = slope of Reason: definition of slope B. Statement: slope of = slope of Reason: Transitive Property of Equality C. Statement: DF = BC Reason: Corresponding sides of congruent triangles are congruent. D. Statement: ∆ADF ≅ ∆ABC Reason: ASA

Answers

Answer:

B) Statement: slope of df = slope of bc

Reason: Transitive Property of Equality

Step-by-step explanation: i just took the test.

Answer:

C. Transitive Property of Equality

Step-by-step explanation:

3
What is the approximate
distance between points
(-7, 2) and (11,-5)?
a) 18.36 units
b) 19.31 units
c) 18.25 units
d) 10.31 units
e) 8.06 units

Answers

I’m pretty sure it’s B, 19.31 units. I hope this helps :)

9514 1404 393

Answer:

b) 19.31 units

Step-by-step explanation:

The distance formula is useful for this.

d = √((x2 -x1)² +(y2-y1)²)

d = √((11 -(-7))² +(-5-2)²) = √(18² +(-7)²) = √373

d ≈ 19.31 . . . units

Fairly easy question

What is the solution to this system of equations?
x − 2y = 15
2x + 4y = -18
A.
x = 1, y = -6
B.
x = 1, y = -7
C.
x = 3, y = -6
D.
x = 3, y = -7

Answers

Answer:

C. x=3 and y=−6

Step-by-step explanation:

Step: Solvex−2y=15for x:

x−2y=15

x−2y+2y=15+2y(Add 2y to both sides)

x=2y+15

Step: Substitute2y+15forxin2x+4y=−18:

2x+4y=−18

2(2y+15)+4y=−18

8y+30=−18(Simplify both sides of the equation)

8y+30+−30=−18+−30(Add -30 to both sides)

8y=−48

8y8=−488(Divide both sides by 8)

y=−6

Step: Substitute−6foryinx=2y+15:

x=2y+15

x=(2)(−6)+15

x=3(Simplify both sides of the equation)

Answer:

x=3 and y=−6

which is true regardless the graphed function f(x)

Answers

Where are the choices?

If $a$ is the $x$-intercept, $b$ is the $y$-intercept, and $m$ is the slope of the line with equation $\frac{x}4 + \frac{y}{12} = 1$, then what is the value of $a + b + m$?

Answers

Answer:

AAA

Step-by-step explanation:

GET ECKED

Answer:

Step-by-step explanation:

This is my first time posting, so sorry if this isn't that clear.

Anyways:

We want to find the x-intercept, and the y-intercept. The x-intercept will always have 0 as y, and the y-intercept will always have 0 as x.

We can find the x-intercept by plugging in 0 as y. So:

x/4+0/12=1

x/4=1

x=4

a=4 (since a is equal to the x-intercept.)

We can find the y intercept by plugging in x as 0:

0/4+y/12=1

y/12=1

y=12

b=12

We can find the slope by using the equation y2-y1/x2-x1, but theres an easier way. Simplifying the original equation x/4+y/12=1 into y=--3x+12 immediatly gets us the slope of -3.

So, 12+4-3=13.

(In case you didn't know how I got y=-3x+12. This is how:

x/4+y/12=1

12(x/4+y/12)=1(12)

3x+y=12

y=-3x+12 )

F(x)= 2x^2-3x-9 G(x)= 4x^2-9 find (f/g) (x)

Answers

This is about division of polynomials.

(f/g)(x) = (x + 1)/(2x + 3)

(f/g) (x) simply means we divide f(x) by g(x)

We are given;

f(x) = 2x² - 3x - 9

g(x) = 4x² - 9

To divide this, let's simplify each function to its factors using the sun-product pattern.

f(x) = 2x² - 3x + 6x - 9

Let's collect like terms;

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

Rewriting in factored form gives;

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

Similarly;

g(x) = 4x² - 9

g(x) = 4x² + 6x - 6x - 9

g(x) = 2x(2x + 3) - 3(2x + 3)

Rewriting in factored form gives;

g(x) = (2x + 3)(2x - 3)

Thus;

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

(f/g)(x) = (x + 1)/(2x + 3)

Answers

Answer:

3 3/4

Step-by-step explanation:

Answer:

Three and three fourths or 15/4

Step-by-step explanation:

(4+5)(4-51) =
please help i don’t feel like doing math rn

Answers

Answer:

423

Step-by-step explanation:

Answer:

-423

Step-by-step explanation:

Hope This Helps!

Plz Mark Brainliest!

look at the picture.

Answers

Answer:

Step-by-step explanation:

66 square root is 8.12403840464

Answer:

i got 66

Step-by-step explanation:

REEEEEEEEEEEEEEEEE

Which of the following lines is perpendicular to the equation given below?

y = -2x + 8

2x + y = 4
2x + y = 4

x - 2y = 6
x - 2y = 6

2x - y = 1
2x - y = 1

x + 2y = 8

Answers

the anser is

x- 2 y =6

thats iit

-1 2/7 + 4 i really need to answer this.

Answers

Answer:

5 29/100

Step-by-step explanation:

google helps

Answer:

n = 5/4

Step-by-step explanation:

please help important!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

Step-by-step explanation:

Answer:

Step-by-step explanation:

The initial fee of $12 would be the y-intercept because no matter how many boxes of cards you buy, the fee stays the same. The slope would be $3.99 because that fee is charged per box. The 100 cards per box is extra information and not needed in the equation. D is the only logical choice.

Two adults and 9 students cost $50 to attend
the game. If one adult and 8 students cost
$39 how much do adult and student tickets
cost?

Answers

Answer:

The cost of tickets for a play is $3.00 for adults and $2.00 for children. 350 tickets were sold and $950 was collected. How many tickets of each type were sold?

Let x = number of $3 tickets

Let y = number of $2 tickets

Total = quantity × value

Step-by-step explanation:

x + y = 350 (equation 1)

3x + 2y = 950 (equation 2)

Use Substitution Method

Isolate variable x in equation 1

x = 350 – y (equation 3)

Substitute equation 3 into equation 2

3(350 – y) + 2y = 950

1050 – 3y + 2y = 950

3y – 2y = 1050 – 950

y = 100

Substitute y = 100 into equation 1

x + 100 = 350

x = 250

Answer: 250 $3 tickets and 100 $2 tickets were sold.

Which equation represents an exponential function with an initial value of 500?
f(x) = 100(5)
f(x) = 100(x)5
f(x) = 500(2)
f(x) = 500(x)2
ОО

Answers

The answer fam is..... f(x) = 500(2)

Answer:

C.F(x) = 500(2)

Step-by-step explanation:

1. How much interest is earned on $4,965 at 7% compounded monthly for 18 years?

Answers

$6255.9

I did :
(4965/7)•18 to get it
If it’s wrong I am so sorry

Use algebra titles to solve x + 7 = 9.

Answers

Answer:

Step-by-step explanation:

9-7=2

Answer:

x = 2

Step-by-step explanation:

Subtract 7 from both sides.

[tex]x+7=9\\\\x+7-7=9-7\\\\\boxed{x=2}[/tex]

Hope this helps.

find the perimeter of an equilateral triangle with side 8

Answers

Answer:

perimeter is equal to 24.

What unit of metric of length is used in the machine manufacturing industry? for brainliest

Answers

Answer: In the metric system, it is the millimeter.

Step-by-step explanation:

Which student correctly translated the phrase "twice the sum of a number cubed and nine" and evaluated it for r = 3?
Antonio's work Jessica's work Maria's work Mark's work
2(r + 9)
2(r+ 9) 2+p3 +9 2 + 3r + 9
2(3 + 9)
2(3' + 9)
2 + 3² +9 2 + 3(3) +9
O
2(9+ 9)
2(27+ 9) 2 + 27 + 9
2 + 9 + 9
2(18)
2(36)
29 + 9
11 + 9
36
(72
38
20
O

Answers

Answer:

answer is B

Step-by-step explanation:

i did it in e2022

person above me gets brainliest

Solve for r.
19.72 = 4r

Answers

Answer: R = 4.93

Step-by-step explanation:

19.72/4 = 4.93

Hope the answer helps!!!
:)

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PLEASE HELP, DUE SOON!! What is the value of x? (5x) 3x + 18)

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PLEASE HELP, DUE SOON!! What is the value of x?
(5x)
3x + 18)