Find the value of x. Then find the angle measures of the polygon.
Please help me as soon as possible, it would be great if you gave me an explanation!
Answers
For number 20:
Because a triangle is 180 degrees, we will equal all the angles we know to that. So, this is how we will write our equation:
Solve for x:
60 + x + 20 + 3x = 180
4x = 100
x = 20
Using 75, you can find the angle measure by plugging 75 where x is present in the angle measures. For example:
x = 20,
20 + 20 = 40
3(20) = 60
-
For number 21:
The shape shown is basically two triangles, so 180 x 2 is 360. Again, same procedure. Add all known angle measures and make an equation where they all equal 360.
Solve for x:
x-5+x+35+1.4x+x=360
x = 75
By isolating x, you should get an answer of 75. Now, plug that into each of the equations:
x = 75
75 + 35 = 110
75 - 5 = 70
1.4(75) = 105
Related Questions
Einstein once developed the formula, E = mc2, to describe the theory of relativity, where E is the total energy in the system, m is the total mass, and c2 is the speed of light. If the equation was to be rearranged in order to solve for the total mass, which formula below should be used?
A - m = E/c2
B - m = E — c2
C - m = Ec2
D - m = E + c2
Answers
Answer:
The formula which should be used is [tex]m=\frac{E}{c^{2}}[/tex] ⇒ A
Step-by-step explanation:
To solve an equation of different variables to one of these variables do that
Write the equation and underline the variable you want to solve for itSeparate this variable on one side and all other terms on the other sidesLet us do that with the question
∵ E = mc²
→ E is the total energy
→ m is the total mass
→ c² is the speed of light
∵ We need to solve the equation for the total mass m
→ We need to take c² to the other side
∵ c² is multiplied by m
∴ Divide both sides by c² to move it from the right side to the left side
∴ [tex]\frac{E}{c^{2}}=\frac{mc^{2}}{c^{2}}[/tex]
→ Cancel c² with c² on the right side
∴ [tex]\frac{E}{c^{2}}=m[/tex]
→ Switch the two sides
∴ [tex]m=\frac{E}{c^{2}}[/tex]
The formula which should be used is [tex]m=\frac{E}{c^{2}}[/tex] ⇒ A
1 1/2d-9=12 can you help explain how to do this
Answers
Answer:
d =14
Step-by-step explanation:
[tex]1\frac{1}{2} d -9 =12[/tex]
[tex]\frac{3}{2} d = 12+ 9[/tex]
[tex]\frac{3}{2} d =21[/tex]
[tex]d = 21 : \frac{3}{2}[/tex]
[tex]d = 14[/tex]
Solve the equation.
7x - 2 = 10x + x + 6x
Answers
Answer:
x=-2 or x=5
Step-by-step explanation:
trust.
Bananas cost $1.50 per pound, and guavas cost $3.00 per pound. Kiran spends $12 on fruit for a breakfast his family is hosting. Let b be the number of pounds of bananas Kiran buys and g be the number of pounds of guavas he buys.
Answers
Answer:
4 pounds of bannanas and 2 pounds of guava
Step-by-step explanation:
2 pounds of bananas equals 1 guava
Solve for x.
4−(2x+4)=5
A. x=32
B. x=−52
C. x=−10
D. x = 6
Answers
x = - 2.5
Step-by-step explanation:Hi there !
4 - (2x + 4) = 5
4 - 2x - 4 = 5
- 2x = 5
2x = - 5
x = - 5 : 2
x = - 2.5
Good luck !
Create a scenario for y=3x+4 will mark brainliest
Answers
Answer:
y=10
Step-by-step explanation:
x=2
3x2= 6
6+4 = 10
Need help ASAP! Ty
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. . 。 。 .
. 。 ඞ 。 . • •
ﾟ Black was not An Impostor. 。 .
' 1 Impostor remains 。
ﾟ . . , . .
Answers
Answer:
Its 22 squared feet
Step-by-step explanation:
you multiply everything and then divide by 1/2 because it's a triangle, so you would use the equation for that.
Answer:
the first one
Step-by-step explanation:
Can you help me, friends, please?
Answers
Answer:
slope: -3
y-intercept: 3
y = -3x +3
Step-by-step explanation:
Hint: Use the Desmos Graphing Caculator for liner equaions!
0.33333... rational or irrational
Answers
Answer:
irrational
Step-by-step explanation:
Answer:
I think rational because like it can be a fraction. but like I wouldn't trust me.
In Mrs. Clarito's farm, the ratio of goat to cow is 5:6. If there are 25 goats, how
many cows does she have?
A) 10
B) 20
C) 30
D) 40
Answers
When attempting to do his homework, Mark incorrectly uses the addition property of equality below. Which
statement would correct Mark's error?
1) 8 + x = 2
2) 8-8 + x = 2
3) x = 2
A. To balance the equation, Mark should also subtract 2 from the right side of the equation in step
2.
B. To balance the equation, Mark should also subtract 2 from both sides of the equation in step 2.
C. To balance the equation, Mark should also subtract 8 from the right side of the equation in step
2.
D. To balance the equation, Mark should also add 8 to both sides of the equation in step 2.
Answers
Answer: Its actually C
Step-by-step explanation: Correct on edge 2022
Select the graphs that show a proportional relationship between x and y.
Answers
is there any graphs that you see in the question? if so put a photo of them so i know what your seeing.
ce is the angle bisector of dcb and m
Answers
Answer:
We are given that ray CE is an angle bisector of angle ACD. With this, we have the equation,
mACE = mECD
Next, we look at the choices
mECD = mECB > This not possible since ray CD is between the two angles
mACE = mACD > This is still not possible since ray CE is between the two angles
mACE = mDCB > This is possible since angles ACE, ECD and DCB are complementary angles.
mECD = mACD > This is not possible since ray CE is between the two rays
The answer is the third option
Step-by-step explanation:
Open GeoGebra, and follow the steps below to create and compare triangles using the side-angle-side criterion.
Question 1
Create a triangle of your choice on the grid. Measure two of the sides on the triangle and the angle between the two sides. Record the measurements in the table.
Answers
Answer:
Answers will vary but might resemble this answer based on a triangle called ∆ABC.
CAN SOME1 PLEASE HELP ME!!
Answers
Answer:
non linear funtion -4, 2
Step-by-step explanation:
Use given graph to determine the limit, if it exists. Find lim f(x) -2 and lim f(x) 2+ WILL GIVE BRAINLIEST
Answers
Answer:
it does not exist my friend
Factor the expression given below. Write each factor as a polynomial in
descending order. Enter exponents using the caret (^).
125x^3+343y^3
Answers
Answer:
(5x + 7y)(25x² - 35xy + 49y²)
Step-by-step explanation:
125x³ + 343y³ ← is a sum of cubes and factors in general as
a³ + b³ = (a + b)(a² - ab + b³) , thus
125x³ + 243y³
= (5x)³ + (7y)³
= (5x + 7y)((5x)² - 5x(7y) + (7y)² )
= (5x + 7y)(25x² - 35xy + 49y²)
place these numbers in order from least to greatest: ( picture)
Answers
Answer:
[tex]\sqrt3[/tex], [tex]\sqrt6[/tex], π, 4.625
Step-by-step explanation:
Just turn the values into decimals and then put in order form least to greatest
Simplify the expression. [(–5)–7 (–5)8]3
Answers
Students on an academic team took a test to enter a math competition. They could take the test twice. Some students improved their score, while others did not. The table shows the change in score for each student. Which student had the greatest overall change in his or her score?
Student Test Score Change
Joe –2
Nivea 3
Juanita 4
Li –3
Answers
Juanita had the largest change. (+4 points)
2. Write AND simplify an expression showing how many times farther
Neptune is from the Sun than Mercury. Write the result in scientific
notation.
(to write an exponent go to the second row and second item to access
math symbols-Sub and sup)
Answers
Answer: 0.8 x 10 to the power of 2 neptune is 8x further away than murcury
Step-by-step explanation: i had this problem i thought i would give you an answer that acully answers the question
What is the value of √64 × ∛27?
Answers
Answer:
24
Step-by-step explanation:
√64 ×∛27
√64=√8²=8
∛27 = √3³=3
8*3=24
Here are six number cards.
-4-2-1,5,6,8
Arrange the cards into three pairs with the same total
Answers
Answer:
-1+5=4(so-1and5)
-2+6=4(so-2and6)
-4+8=4(so-4and8)
Find the least number which when divided by 8,9 and 12 leave remainder 4 in each case
Answers
Answer:
76
Step-by-step explanation:
you need to find the smallest number you can divide by 8,9,12 (72) + 4
72 + 4 = 76
Which number line shows the solution to −3 − (−1)? (1 point)
Answers
Answer:
It is the third line (the one with a big arrow pointing to the left and the small pointing to the right)
Step-by-step explanation:
Answer:
3rd one
Step-by-step explanation:
6^5 x 6^4=6 to the power of what
Answers
Because you add the powers 5+4
Answer:
6⁹
Step-by-step explanation:
HI there !
6⁵ ₓ 6⁴ = 6⁵⁺⁴ = 6⁹
Good luck !
At a fast food restaurant, customers are asked if they want to “round up” their bill to the next highest dollar and donate the additional money to charity. The cashier is instructed to tell the customer that their bill is X dollars and Y cents. Assume that the values of Y are equally likely to be any value from 0 to 99 cents and that customers are equally likely to “round up” regardless of the amount of their bill. The density curve below models Y, the donation amount. (a) What is the shape of the distribution of donations? (b) What proportion of donations are at least 85 cents? (c) What percent of donations are between 30 and 40 cents?
Answers
Answer:
(a) 0.1414
(b) 0.1010
Step-by-step explanation:
(a)
The density curve is rectangular in shape.
This implies that the distribution of donations is Uniform.
(b)
Compute the probability of donations at least 85 cents as follows:
[tex]P(X\geq 85)=\int\limits^{99}_{85} {\frac{1}{99-0} \, dx[/tex]
[tex]=\frac{1}{99}\times [x]^{99}_{85}\\\\=\frac{99-85}{99}\\\\=0.1414\\\\[/tex]
Thus, the proportion of donations that are at least 85 cents is 0.1414.
(b)
Compute the probability of donations between 30 and 40 cents as follows:
[tex]P(30\leq X\leq 40)=\int\limits^{40}_{30} {\frac{1}{99-0}} \, dx[/tex]
[tex]=\frac{1}{99}\times [x]^{40}_{30}\\\\=\frac{40-30}{99}\\\\=0.1010[/tex]
Thus, the probability of donations between 30 and 40 cents is 0.1010.
whats a third of 83 1/2
Answers
Answer:
27.83
The 3 is repeating
Step-by-step explanation:
A theater company charges $5.50 per ticket for people of all age groups. If c represents the total number of children who brought tickets and a represents the total number of adults who bought tickets, which expression best represents the total money earned by the company from the sale of tickets?
Answers
Answer:
[tex]5.50c+5.50a[/tex]
Step-by-step explanation:
Cost of 1 ticket = $5.50
Total number of children who brought tickets = c
Total number of adults who bought tickets = a
Amount earned from selling tickets to children = 5.50 c
Amount earned from selling tickets to adults = 5.50 a
Therefore,
Total money earned by the company from the sale of tickets = [tex]5.50c+5.50a[/tex]
Two friends race. The first friend gets a head start and runs at a steady rate of 0.20 miles per minute. The second friend waits 1 minute and then runs at a steady rate of 0.25 miles per minute. How long will it take for the second runner to catch up with the first?
Answers
Step-by-step explanation:
In this problem we are expected to solve for the time taken for the second person to meet with the first.
given that
first person's speed=0.2mph
let time taken be= x
we know that
velocity= distance/time
0.2=distance/x
distance=0.2x----1
second person's speed= 0.25mpm
time taken=x-1
we know that
velocity= distance/time
0.25=distance/x-1
distance=0.25(x-1)
distance=0.25x-0.25-----2
equating equation 1 and 2 we have
0.2x=0.25x-0.25
0.2x-0.25=-0.25
-0.05x=-0.25
divide both sides by -0.05 we have
x=-0.25/-0.05
x=5
we know that the second person's time is described by
=x-1
=5-1=4min
The second person will catch up after 4 minutes