I need to find out the value of x in this triangle because I don’t understand the formula
Answers
Answer:
x = 55 degrees
Step-by-step explanation:
Firstly, as told by the question, we know that this is an isosceles triangle because AB and BC are the same length. This means that angle A and C will be equal. Next, we also know that all angles in a triangle will always add to 180 degrees. Therefore we can write an equation adding up all the angles to solve for x:
Angle A can be represented as 'x'
Angle B is represented 'x+15'
And Angle C can also be represented 'x' as it is equal to angle A
So our formula will be in this format: A+B+C=180
x+x+(x+15)=180
To solve this equation we first take out the brackets and combine like terms:
3x+15=180
Now we need to isolate 'x' so we will end up with a numerical value for it, which we do by subtracting 15 from both sides and then dividing both sides by 3:
3x+15-15=180-15
3x=165
3x/3=165/3
This gives us:
x=55
Hope this helped!
Related Questions
free 10 points!
when i was 6, my sister was half my age, i am now 18, how old is my sister now?
Answers
Answer:
15
Step-by-step explanation:
6/2=3
then 18-3=15
when you were 6 your sister was 3, because 3 is half of 6. so now you are 18 your sister is 9 becase 9 is half of 18
Put these amounts of money in order, smallest to largest
£3.40
£0.34
£4.03
£0.43 €3.04
Answers
Answer:
£0.34
£0.43
€3.04
£3.40
£4.03
Step-by-step explanation:
One pound (€) is less than one Pound Sterling (£), so 3.04 pounds is worth less than 3.40 Pound Sterlings.
0.43
3.04
3.40
4.03
Describe the steps in solving the linear equation 3(3x − 8) = 4x + 6.
Answers
Answer:
x=6
Step-by-step explanation:
3(3x-8)=4x+6
First you would distribute the 3 on the L side to the parenthasies
9x-24=4x+6
Then, you would subtract 4x from both sides because it is the smallest X value
5x-24=6
Add 24 to both sides (inverse operations)
5x=30
divide both sides by 5
x=6
the answer is x=6
3(3x − 8) = 4x + 6.
9x-24 =4x+6
9x-4x=6+24
5x=30
5 5
x=6
Sebastian earns an hourly wage at a jewelry stand. The following expression represents Sebastian's
take-home pay after taxes and social security are deducted and x represents the number of hours
Sebastian worked.
132 - 0.12 (132)
Sebastian wants to save $1500 for a new laptop, and gamer chair. If Sebastian saves 35% of his
take-home pay, how many hours will he need to work to meet his saving goals?
Answers
Answer:
X=375 hours
Step-by-step explanation:
Write the equation of a line perpendicular to y=-2x+1 that passes through the point (2,3)
Answers
Answer:
y = 1/2x + 2
Step-by-step explanation:
First you have to determine the slope which is the opposite reciprocal of the slope of the line given.
So we take the slope -2 and reciprocate and by flipping the numerator and denominator which makes it -1/2.
Then we have to make it the opposite, like making a negative into a positive or a positive into a negative. So that would make it positive 1/2.
We now have the slope which is 1/2 and not we have to make sure it goes through point (2,3).
To do that, we must adjust the y-intercept until it goes through that point. We result in getting the y-intercept of 2.
The answer is y = 1/2x + 2
Answer:
y = [tex]\frac{1}{2}[/tex] x + 2
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
y = - 2x + 1 ← is in slope- intercept form
with slope m = - 2
Given a line with slope m then the slope of a line perpendicular to it is
[tex]m_{perpendicular}[/tex] = - [tex]\frac{1}{m}[/tex] = - [tex]\frac{1}{-2}[/tex] = [tex]\frac{1}{2}[/tex] , thus
y = [tex]\frac{1}{2}[/tex] x + c ← is the partial equation
To find c substitute (2, 3) into the partial equation
3 = 1 + c ⇒ c = 3 - 1 = 2
y = [tex]\frac{1}{2}[/tex] x + 2 ← equation of perpendicular line
Tala bought 4 T-shirts for $18 each. She also
bought a jacket for $26 and a pair of shoes
for $22. How much money did Tala spend?
Answers
Answer:
$120
Step-by-step explanation:
1st you multiply 4 and 18 bc it is 18 for each of the 4 which is $72. Than you add 26 and 22 which is 48. Add 48 to 72 and your total would be $120.
Answer:
your answer is 120
Step-by-step explanation:
first multiply 18 by 4 then add it by 26 and 22.
There were 475,000 children at a state fair.
There were 26,000 more adults than children at
the state fair. How many adults were there.
How many people were there in all? pls help
Answers
Answer:
501,000 adults 976,000 people total
Step-by-step explanation:
First step is adding 26,000 to 475,000 to find the number of adults, you get 501,000
Then you add 501,000 to 475,000 to get the total number of people, you get 976,000
A phrase is considered a mathematical expression if it contains at least two numbers or variables and one or more mathematical operations.
If 501,000 grownups total then 976,000 people.
What is meant by an expression?An expression, also known as a mathematical expression, is a finite combination of symbols that are well-formed in accordance with context-dependent rules.
Mathematical expressions consist of at least two numbers or variables, at least one math operation, and a sentence. It's possible to multiply, divide, add, or subtract with this mathematical operation. An expression's structure is as follows: Expression: (Math Operator, Number/Variable, Math Operator)
A phrase is considered a mathematical expression if it contains at least two numbers or variables and one or more mathematical operations.
One mathematical expression makes up a term. It could be a single variable (a letter), a single number (positive or negative), or a number of variables multiplied but never added or subtracted. Variables in some terms have a number in front of them. A coefficient is the number placed before a term.
Given:
There were 475,000 children at a state fair.
There were 26,000 more adults than children at the state fair.
Number of adults = 26,000 × 475,000 = 501,000
Total number of people = 501,000 × 475,000 = 976,000
501,000 grownups total 976,000 people
Therefore, 501,000 grownups total 976,000 people.
To learn more about expression refer to:
brainly.com/question/723406
#SPJ2
trees are planted 6 metres apart on both sides of road 48 metres long.how many trees were planted
Answers
Answer:
16 on both sides
Step-by-step explanation:
Answer:
There were 8 trees planted
Step-by-step explanation:
There is 48 meters where they were planted, and each tree is planted 6 meters apart. So you divide 48 by 6.
Select all of the zeros of the function f(x)=(3x−4)(x+2).
4
2
4/3
− 4/3
− 2
− 4
Answers
Answer:
The Answer is 4/3 and -2
Step-by-step explanation:
solve for the variable
please hurry i need it asap
Answers
Answer: 7. p=1.49
8. a= 1.05
Step-by-step explanation:
Answer:
p = 1.5 & s = 7
Step-by-step explanation:
7. [tex]\frac{0.45}{4.2}[/tex] = [tex]\frac{p}{14}[/tex]
0.45(14) = 4.2p ⇒ Cross-multiply the terms
6.3 = 4.2p
p = [tex]\frac{6.3}{4.2}[/tex] ⇒ Divide 6.3 by 4.2 to get p by itself (solve for p)
p = 1.5
8. [tex]\frac{2.4}{6}[/tex] = [tex]\frac{2.8}{s}[/tex]
2.4s = 6(2.8) ⇒ Cross-multiply the terms
2.4s = 16.8
s = [tex]\frac{16.8}{2.4}[/tex] ⇒ Divide 16.8 by 2.4 to get s by itself (solve for s)
s = 7
I would really appreciate it if you would please mark me brainliest!
Have a blessed day!
GIVING BRAINLIEST TO WHOEVER ANSWERS FIRST!!!!
Triangle JKL is reflected across line a to form triangle MNO. Which one of these is true?
Answers
Segment JK is congruent to Segment MN, Segment KL is congruent to segment NO, and the angle K is congruent to the angle N.
Therefore, the answer choice that is true when [tex]\triangle JKL[/tex] is reflected over a line to form [tex]\triangle MNO[/tex] is: d. [tex]\overline{JK} \cong \overline{MN}, \overline{KL} \cong \overline{NO}, \angle K \cong \angle N[/tex]
Reflecting a shape or figure over a line is somewhat similar to when you place an object before a mirror.
In the reflection of triangle JKL across a line, triangle MNO is the mirror image of triangle MNO.
In essence, the corresponding angles and corresponding sides of both triangle JKL and triangle MNO will be congruent to each other.Thus:<K is congruent to <N
<J is congruent to <M
<L is congruent to<O
[tex]\overline{JK} \cong \overline{MN}\\\\\ \overline{KL} \cong \overline{NO}\\\\ \overline{JL} \cong \overline{MO}[/tex]
Therefore, the answer choice that is true when [tex]\triangle JKL[/tex] is reflected over a line to form [tex]\triangle MNO[/tex] is: d. [tex]\overline{JK} \cong \overline{MN}, \overline{KL} \cong \overline{NO}, \angle K \cong \angle N[/tex]
Learn more here:
https://brainly.com/question/17255045
Is the line through points P(-7,-9) and Q(2,0) parallel to the line through points R(5,5) and S(-3,4)
Answers
Answer:
No : the lines have unequal slopes
Parallel lines have equal slopes
make this the most liked post
Answers
Answer: WHAT IS THIS SUPPOSE TO BE
Step-by-step explanation:
Answer:
n o
Step-by-step explanation:
n and o put together means no which is the opposite of yes.
Help Meeeeeeeeeeeeeeeeeeeeeeee PLZZZ
Answers
Answer:
red
Step-by-step explanation:
since her salary would be tripled you would put the s next to three to show you are multiplying it and since she gets an (ADD)itional 2000 you would add it to the 3S
are these two functions or no? i name brainiest
Answers
Answer:
these two isn't a function
Step-by-step explanation:
On the table you can see that the ratio isn't equivalent
On the chart you can see that one domain has two ranges which also tells us that this two isn't a function
Answer: Nuuuu dey aren't functions.
first eight natural numbers
Answers
Step-by-step explanation:
The first eight natural numbers are 1, 2, 3, 4, 5, 6, 7, 8. The sum of these observations = 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 = 36, and the number of their observations = 8. Required mean = 4.5
Please mark me brainliest.
_______ are the infections protein particles.
Answers
Answer:
The answer is prions
Answer:
The word prion derives from "proteinaceous infectious particle". The hypothesized role of a protein as an infectious agent stands in contrast to all other known infectious agents such as viruses, bacteria, fungi and parasites, all of which contain nucleic acids (DNA, RNA or both).
Step-by-step explanation:
they are all simplest terms
Answers
Step-by-step explanation:
[tex] - 3(s - 10) + 7( - 2s - 1)[/tex]
[tex] - 3s + 30 - 14s - 7[/tex]
[tex] - 17s + 23[/tex]
is the required answer.
Distributive Property was used here.
Hope it Helps :)
consecutive interior angles are also called
Answers
Answer:
consecutive interior angles
Answer:
I think the answer would be Consecutive Interior Angles/Transversal
Step-by-step explanation:
When two lines are cut by a transversal, the pair of angles on one side of the transversal and inside the two lines are called the consecutive interior angles.
When two lines are crossed by another line (which is called the Transversal), the pairs of angles:
• on one side of the transversal
• but inside the two lines
are called Consecutive Interior Angles.
When the two lines are parallel, any pair of Consecutive Interior Angles add to 180 degrees.
Hope this helps!
Is positive 3 larger then negative 4
Answers
Answer:
Yes, positive 3 is larger than negative 4
6(m – 1) = 3(3m + 5)
Answers
Answer:
Step-by-step explanation:
6m-6=9m+15
-6=3m+15
-21=3m
m=-7
If F(x)=3x+5 and G(x)=5x+3, mark all true statements.
a. F(5)=28
b. G(10)=53
C. F(2)+G(3)=29
d. G(10)-F(1)=41
e. None of the above statements are true
Answers
Plug in F(x) to the equation answer and see if it is true or false by plugging it in
What is the result of 54 х 18 written in standard form?
Answers
Please mark me the Brainliest!:)
A baseball tournament begins with 128 teams. After each round of game, only half of the teams are left. How many teams will be left after 4 rounds of games?
Answers
Which values of a, b, and c represent the answer in simplest form?
StartFraction 9 Over 11 EndFraction divided by StartFraction 5 Over 11 EndFraction = a StartFraction b Over c EndFraction
a = 1, b = 99, c = 55
a = 1, b = 55, c = 99
a = 1, b = 4, c = 5
a = 1, b = 5, c = 4
Answers
Answer:
c
Step-by-step explanation:
Answer:
c
Step-by-step explanation:
A new pair of basketball shoes costs $98.00 at the sporting goods store. If there is a 10% sales tax, what is the actual cost of the shoes?
Answers
Answer:
107.80$
Step-by-step explanation:
A watch loses 2 minutes every 15 hours. How much
time will it lose in 2 hours?
Answers
Answer:
Will lose 0. 2667 minutes every two hours.
Step-by-step explanation:
Answer:15 seconds
Step-by-step explanation:
angle a is equal to 5x + 11 and angle b is equal to 2x + 15. What is the value of x?
Answers
Answer:
x=1.3 continuing
Step-by-step explanation:
25 POINTS PLEASE ANSWER THIS
Answers
Answer: y=17 x=10
Step-by-step explanation:
so they have equal measures and they’re a linear pair (make a line) and a line is 180° so that would means you can set both equal to 90°
9y-63=90 and 9x=90
so for the first one you subtract 63 from 90 then divide by 9 to get 17
the next one you just divide by 9 to get 10 therefor y=17 and x=9
Briefly describe this graph of a Ferris wheel.
Answers
Answer:
The Ferris wheel will do 4 rotation and when the Ferris wheel is at the top, and the less points on the graph represent when the Ferris wheel is at the bottom.
Step-by-step explanation:
i took test