Mathematics High School

3x 3x 15 Perimeter of triangle: If the perimeter of the triangle is 90, what is the value of x? X =​

3x 3x 15 Perimeter Of Triangle: If The Perimeter Of The Triangle Is 90, What Is The Value Of X? X =

Answers

Answer 1
3x + 3x + 15 = 90 (you need to add up all the sides to get the perimeter)
9x=75
x=8.3

hope this helps!! :)
Answer 2

If the perimeter of the triangle is 90. Then the value of the variable x will be12.5.

What is the triangle?

A triangle is a three-sided polygon with three angles. The angles of the triangle add up to 180 degrees.

The sum of all the sides of the triangle will be known as the perimeter of the triangle.

In an isosceles triangle, the two legs of the triangle are congruent and their opposite angles too.

The dimension of the triangle are 3x, 3x, and 15. If the perimeter of the triangle is 90. Then the equation is given as,

3x + 3x + 15 = 90

6x = 90 - 15

6x = 85

x = 12.5

The value of the variable x will be12.5.

More about the triangle link is given below.

https://brainly.com/question/25813512

#SPJ2

Related Questions

please help me out guys, Thank you.

I am very poor at mathematics​

Answers

Answer:

79

Step-by-step explanation:

Given the expression

x + 1/x = 9

Square both sides

(x + 1/x)^2 = 9^2

x^2 + 2x(1/x)+ (1/x)^2 = 81

x^2 + 2 + 1/x^2 = 81

x^2+1/x^2+2 = 81

x^2+1/x^2 = 81-2

x^2+1/x^2+ = 79

Hence the value of x^2+1/x^2 is 79

.
.
On Monday, she drove 4 to hours.
On Tuesday, she drove 5 to hours.
On Wednesday, she drove 3 hours.
.
How many hours altogether did Taniya drive on her trip?
A
1210
B
13
C
lo
13.10
14
D

Answers

Answer:

She drove 12 hours

5+4+3=12

Step-by-step explanation:

Kate sold a sailboat at a loss of 20%. If the selling price was $64, what was the original cost?

Answers

So she lost 20% of the original selling price.

$64 is 80% of the original price.

64/80=0.8

0.8·100=80 dollars. HOPE THIS HELPS!!!

Answer:

Step-by-step explanation:

Help plzzzzz 30 points

Answers

Answer:

it is decreasing

Step-by-step explanation:

hope it helps study hard!!!!

Social studies class is 4 more than two times the length of recess, in minutes.

Answers

since there are no numbers, i will assume that the length of recess is 1 minute, or x. if social studies is 4 more than 2 times the length of recess, we can use the equation x*2+4 to solve the problem. the end result will be 6 minutes. Social studies is 6 minutes longer than recess


4.62 +3-3.6z =
Answer plssss

Answers

Answer:

z = 2.12

Step-by-step explanation:

4.62 +3 - 3.6z = 0

7.62 - 3.6z = 0

-3.6z = -7.62

z = 2.12

PLEASE HELP ME!!!!!!

Answers

Answer:

1= 37

2= 37

3= 37

4= 37

5= 106

Step-by-step explanation:

MATH HELP ITS TIMED.................

Answers

Answer:

7^5

Step-by-step explanation:

HELP HELP HELP HELP HELP HELP

Answers

Answer:

mean: 14

median: 13.5

range: 8

Step-by-step explanation:

Hope this helps! Sorry if I am late.

Answer:

B

Step-by-step explanation:

For this problem, you would only need to figure one of them out since all the numbers vary. I calculated the mean. Mean is the same as the average. First, add all the numbers up. I got 112. Then, divide 112 by the amount of numbers you added (8). 112/8 is 14, and the mean=14 is b.

PLS HELPPP !! BRAINLIEST!!

Each cube in this figure is a 1/2 -centimeter cube. What is the total volume of the prism?

A. 4 1/2cm3
B. 1 1/2cm3
C. 6cm3
D. 18cm3

Answers

18cm you multiple it my the figure given

Help really important

Answers

Answer: Its c

Step-by-step explanation:

Plz give brainliest

PLEASE HELP!!! TIMED <33 WILL GIVE BRAINLIST. Evaluate the function requested. Write your answer as a fraction in lowest terms. Triangle A B C. Angle C is 90 degrees. Hypotenuse A B is 45, side C B is 36, side C A is 27. Find sin A. a. Sine A = four-fifths c. sine A = five-fourths b. sine A = four-thirds d. sine A = three-fifths

Answers

Answer:

sin A = perpendicular /hypotenuse

=36/27=12/9=4/3

Answer:

Its C.

Step-by-step explanation:

A rectangular billboard is 9.35 meters wide and 6.82 meters tall. What is the perimeter of the billboard in meters?

Answers

Answer:

32.34 meters

Step-by-step explanation:

All you need to do is label the rectangle with the information given. 9.35 for width, and 6.82 for length.

Next, just fill in the other sides and add. Because it's a rectangle, then you should be able tp label the blank sides.

Next, just add all the sides together and then you'll get your perimeter!                                                    

                                9.35 + 9.35+ 6.82 + 6.82= 32.34

Help! Find the domain of the graph

Answers

Answer:

[-3,9]

Step-by-step explanation:

you look at the x axis

Enter the value for that makes the given equation true.

20−5(6+4)=4−6

Answers

Answer:

hi, there is no variable

Please help me!! Thank you

Answers

Answer:

WXY = 90

XZY = 45

YXZ = 45

WRZ = 90

XWY = 45

what is the value of X?

Answers

Answer:

100°

Step-by-step explanation:

A triangle has vertices at (1,10), (-5,2), and (7,2). What is its orthocenter. Show your work.

Answers

Answer:

Question: What is the orthocenter of a triangle with the vertices (-1,2) (5,2) and (2,1)?

The coordinates of point A are (-1,2), point B are (5,2), and point C are (2,1).

The orthocent is the intersection of the three altitudes. An altitude goes from a vertex and is perpendicular to the line containing the opposite side.

In the coordinate plane the equations of the altitudes can be found and then a system of equations can be solved.

Altitude 1. From point C perpendicular to the line containing side AB.

Slope of line AB is 0 (horizontal line), a vertical line is perpendicular to a horizontal line. Thus, the equation of altitude 1 is  x=2 .

Altitude 2. From point B perpendicular to the line containing side AC.

Slope of line AC is  −13 , the slope of a line perpendicular to line AC is 3. The equation of altitude 2 is  y=3x−13  

Altitude 3. From point A perpendicular to the line containing side BC.

Slope of line BC is  13 , the slope of a line perpendicular to line BC is  −3 . The equation of altitude 3 is  y=−3x−1  

The orthocenter is the point where all three altitudes intersect.

x=2  

y=3x−13  

y=−3x−1  

Use substitution to solve the first two equations  y=3(2)−13=−7  

The orthocenter is the point  (2,−7)  

we did not need the third equation, but we can use it as a check, plug the coordinates into the third equation:

−7=−3(2)−1  

−7=−6−1  

−7=−7  it works.

Michael's lawn measures 12 feet wide and 15 feet long. Sue's lawn measures 36 feet wide and 50 feet long. How many times larger is Sue's lawn than Michael's
lawn?
(A)
(В)
D
10

Answers

Sue’s lawn is 10 times larger than Michael’s

Answer:

10

Step-by-step explanation:

The question and information is on the photo pls if you can give me the work to.

Answers

Answer:

SI = 2052.61 ft

Step-by-step explanation:

cos 13 = 2000/SI

0.9744 = 2000/SI

multiply both sides by SI:

(SI)(0.9744) = 2000

divide both sides by 0.9744:

SI = 2052.61 ft

I need hel asap. PLEASE I WILL GIVE BRANLIEST

Answers

Answer:

x=12

Step-by-step explanation:

30/25=x/10

x=30×10/25

x=12

During the 2005 football season team tackle the team sack by eight points if the combine scores total of 26 find the individual team scores

Answers

Answer:

Team sack = 9

Team tackle = 17

Step-by-step explanation:

To start with, we'd assume that

Let x = the points scored by Team Sack

Let x + 8 = the points scored by Team Tackle

x + x + 8 = 26

So, go further and solve mathematically

2x + 8 = 26

if we subtract 8 from both sides, we have

2x = 18

Next, we then divide both sides by 2. So that,

x = 18/2

x = 9

Since we assumed the total points for Team Sack to be x, then Team Sack scored 9 points while Team Tackle scored x + 8 points, and that is 17

It’s cost $3.75 to by 3/4 of a pound of walnuts.How many pounds of walnuts can your purchase with $11.25

Answers

Answer:

9/4 pounds of walnut

Step-by-step explanation:

First we divide 11.25/3.75=3 so we would know how many 3/4 pounds are there. Then, we know there are 3-3/4 pounds of walnuts. Mulitply them, you will get 9/4

2.25 is the answer to the question

3(x - 6) = -15 + 3x

Yes no solution show work

Answers

Answer:

see explanation

Step-by-step explanation:

Given

3(x - 6) = - 15 + 3x ← distribute parenthesis on left side

3x - 18 = - 15 + 3x ( add 18 to both sides )

3x = 3 + 3x ( subtract 3x from both sides )

0 = 3 ← not possible

This indicates the equation has no solution

what is the expression of 14b

Answers

Answer:14 x b???

Step-by-step explanation:

what two numbers multiply to be -56 and add up to be -1?

Answers

Answer:

-8 and 7 is the answer

-8*7 is -56

and -8+7 is -1

-8 and 7
7-8= -1 and (-8)x(7)=-56

The value of the function f(x) is 600 when x=0 and decreases by 9% for every one-unit increase in x. Complete the equation that represents the function f(x)
its a open answer please help

Answers

Answer:

[tex]f(x)=600(0.09)^x[/tex]

Step-by-step explanation:

Since f(x) decreases by 9% for every one unit increase in x, it means that f(x) is an exponential decay function. An exponential function is given by:

f(x) = [tex]ab^x[/tex]; where a is the value of f(x) at x = 0, b is the multiplier and is less than 0 for a decay.

Therefore since at x = 0, f(x) = 0. Hence a = 600. Also, b = 9% = 0.09.

The function f(x) can hence be represented as:

[tex]f(x)=600(0.09)^x[/tex]

Solve this for me please i need help with it

Answers

Answer:

sin 60 = 6 sqrt(3) / a

sqrt(3)/2 = 6 sqrt(3) / a

1/2 = 6/a

a =12

sin 30 = b / a

1/2 = b / 12

b=12/2

b=6

Step-by-step explanation:

PLEASE HELP...........................

Answers

Answer:

Step-by-step explanation:

6) 3750

7) 244

what is the volume of a cylinder has a radius of five and a height of 15

Answers

Answer:

1,178.097245 cm3

Step-by-step explanation:

i think id k tho

r=5
h=15
V= π•r^2•h
V=3.14•25•15
V=1,177.5
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