Answers
Answer:
7
Step-by-step explanation:
2x+10+11+(x+2)+(3x-2)=63
2(7)+10+11+(7+2)+(3(7)-2)=63
x=7
7 is the value of x
What are sides of a pentagon with different sides ?
If the sides of a pentagon are not equal in measure, it is termed as an irregular pentagon. In this case, the perimeter of the pentagon can be calculated by using the basic formula, Perimeter = sum of its sides.
Given,
side 1 = 2x
side 2 = 10
side 3 = x+2
side 4 = 11
side 5 = 3x-2
Sum of all the sides of the pentagon,
2x+10+(x+2)+11+(3x-2)=63
2x+10+x+2+11+3x-2=63
6x+21=63
6x=63-21
6x=42
x=42/6
x=7
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Related Questions
Lines s, t, and u are perpendicular bisectors of the sides of APGH and meet at J. If JG - 2x+ 2, JH - 2y-4, JF-8 and
HI - 32-3, find x, y, and z.
Ox= 5, y = 2, z = 2
O x = 2, y = 7,2 = 2
x = 3, y = 6,2 = 4
x = 6.) = 3,2 = 4
Answers
Answer:
x = 3, y = 6, z = 4
Step-by-step explanation:
If lines s, t, and u are perpendicular bisectors of the sides of APGH and meet at J, then JG = JH = JF = HI
Given
JG - 2x+ 2
JH - 2y-4
JF-8 a
HI - 3z-3,
Hence 2x+2 = 2y-4 = 3z-3 = 8
This means that
2x+2 = 8
2x = 8-2
2x = 6
x = 3
Also, 2y-4 = 8
2y = 8+4
2y = 12
y = 6
And 3z-3 = 8
3z = 8+3
3z = 11
z = 11/3
z = 3.67 ≈ 4
Hence x = 3, y = 6,z = 4
7)
Lenny accidentally drops his matchbox car into a graduated cylinder. The car has a mass of 10 grams and the water level in the cylinder rises from 41 ml to 46 ml. Determine the density of the matchbox car. The formula for density is D =
m
v
.
A) 0.5 g/ml
B) 2 g/ml
C) 15 g/ml
D) 50 g/ml
Answers
Answer:
B
Step-by-step explanation:
HELP YALLL
I’m not good at math
Answers
Answer:
7x^2−19x+10
Step-by-step explanation:
3 x 2 − 14 x + 16 + 4 x 2 − 5x − 6
Consider the equation x = 5. Which statement is TRUE ?
Answers
Write a compound inequality that represents the Fahrenheit temperatures between 50 degrees Celsius and 70 degrees Celsius.
Answers
Answer:
122 ≤ F ≤ 158
Step-by-step explanation:
First we convert the Celsius temperature to Fahrenheit
Mathematically, the formula to use is as follows;
F = 9/5C + 32
So 50 will be;
F = 9/5(50) + 32 = 90 + 32 = 122
70 will be
F = 9/5(70) + 32 = 126 + 32 = 158
So the inequality will be;
122 ≤ F ≤ 158
Which expression can be used to convert 100 USD to Japanese yen?
Answers
1 USD = 113.83 Japanese Yen
100 USD = 100 x 113.83 Japanese Yen
100 USD = 11,383.00 Japanese Yen
What type of radiation is the same size as an electron?
Answers
Answer:
Beta radiation
i will give u brianliest
Answers
Answer:
4 remainder of 3
Step-by-step explanation:
19 / 4 = 4 r 3
-40=t-10 can anybody help me with this?
Answers
+10 = +10
-30 = t
The answer is t = -30
Answer:
t = - 30
Step-by-step explanation:
Given
- 40 = t - 10 ( add 10 to both sides )
- 30 = t
Determine if the sequence is arithmetic or geometric, and find the common difference or ratio.
x 1 2 3 4
f(x) 5 −5 −15 −25
Arithmetic, common difference = −10
Arithmetic, common difference = −1
Geometric, common ratio = −10
Geometric, common ratio = −1
Answers
Answer:
The correct option is;
Arithmetic, common difference = -10
Step-by-step explanation:
The x terms given of the sequence are;
x [tex]{}[/tex] 1 2 3 4
f(x) [tex]{}[/tex] 5 -5 -15 -25
For a geometric progression, a·r/a = a·r²/ar = ar³/ar² = (n + 1)/n = r
We check to obtain -5/5 ≠ -15/(-5), therefore, the system is not a geometric progression
For ab arithmetic progression, we have;
(n + 1)th term - nth term = (n + 2)th term - (n + 1)th term = d (The common difference
We check to obtain -5 - 5 10, -15 - (-5) = -15 + 5 = -10 similarly, we have; -25 - (-15) = -25 + 15 = -10
Therefore, the sequence is an arithmetic sequence, with common difference = -10.
Answer:
option 1 A)arithmetic,common difference= -10
Step-by-step explanation:
i took the test and got the answer correct
Find the percent increase or decrease from Monday to Tuesday.
Miles Jan walked Monday: 12
Miles Jan walked Tuesday: 3
Answers
Answer:
the answer is -75% that mean 75% decrease
Which expression is equivalent to x^2+ 5x – 24?
Answers
Answer:
(x+8)*(x-3)
Step-by-step explanation:
ASAP NEED HELP!!!!!!!!!
B=R/H Solve for H
Answers
Answer:
h = r/b
Step-by-step explanation:
Answer:
H = R BStep-by-step explanation:
H = R
B
A plant is already 53 centimeters tall, and it will grow 1 cm every month.
Let H be the plants height (in centimeters) after M months.
Write an equation relating H to M. Then use this equation to find the plant height after 26 months.
Answers
Equation: h = 53 + 1m
Solving for m = 26: h = 79
The plant will be 79cm tall after 26 months
The height of the plant, H, is related to the number of months, M, by the equation H = M + 53. The plant will be 79 centimeters tall after 26 months.
What is the equation?The equation is defined as mathematical statements that have a minimum of two terms containing variables or numbers that are equal.
The height of the plant, H, is related to the number of months, M, by the equation H = M + 53.
This equation represents the plant's initial height of 53 centimeters plus the additional height it will grow each month.
To find the plant's height after 26 months, we can substitute M = 26 into the equation:
H = M + 53
H = 26 + 53
H = 79 cm
So, the plant will be 79 centimeters tall after 26 months.
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whats the answer to number 5 please and thank you? please write down the steps too
Answers
Answer:
77 degrees.
Step-by-step explanation:
All triangles equal up to a measure of 180 degrees.
If one side is 26 degrees, and the other sides are congruent, meaning the same, then:
1. 180-26 = 154
2. 154/2 = 77
The measures of the other sides are 77 degrees.
A polygon is shown on the graph:
A polygon is shown on a coordinate plane. Vertex A is located at 2 comma negative 1, vertex B is located at 1 comma negative 4, vertex C is located at 3 comma negative 5, vertex D is located at 5 comma negative 3.
If the polygon is translated 3 units down and 4 units left, what will the coordinates of the new image be? Use prime notation in expressing the new coordinates.
Answers
Answer:
4 units left : subtract 4 from each x coordinate
3 units down : subtract 3 from each y coordinate
Step-by-step explanation:
how many hundredths are in 11 wholes?
how many hundredths are in 3 tenths?
how many hundredths are in 11.3?
pls help!!!
Answers
Answer:
1) 11/100 or 0.11
2) 3/1000 or 0.003
3) 113/1000 0.113
Step-by-step explanation:
Firstly, hundredths is the same as 1/100.
Multiply every number by 1/100.
11/1 • 1/100 = 11/100 or 0.11
(Remember, 11 over 1 is the same as 1. Multiply the numerators and denominators and you get 11/100).
3/10 • 1/100 = 3/1000 or 0.003
11.3/1 • 1/100 = 113/1000 or 0.113
(Move the decimal once to the right to get rid of the decimal point).
Hope this helps!
what are some important things you learned about mistakes,struggle and speed that everyone your age should know ?
Answers
Answer:
It’s okay to make mistakes that’s how you learn more. The struggle isn’t always going to there just get threw it and in the end it would seem like it was worth it. And for speed move at your own speed the speed you can be your best in if you go move up the pace do it but dont be stressed out just keep going.
Step-by-step explanation:
What is −3/8÷7 1/2? −3 2/7 −1 4/9 −9 1/4 −7 3/2
Answers
Answer:
-7097/315
Step-by-step explanation:
Answer:
7097/315
Step-by-step explanation:
i just need the points
Translations can be written using ordered pair notation
True or false
Answers
Answer:
true
Step-by-step explanation:
Answer:
true
Step-by-step explanation:
student is training 4 a track team during the first 3 months of the year by running 30 minutes every day, while averaging 5 miles each day.
Select graph that correctly shows the total miles ran during the time of training program
Answers
30 minutes - 5 miles;
1 hour - 10 miles
10 hours - 100 miles ...
The independent value is plotted along the x- axis ( Hours ) and the dependent variable is plotted along the y-axis ( Miles ). Also:
3 months = 90 days
90 x 1/2 hours = 45 hours
Answer: The graph B ) ( or the second one ).
You reverse the inequality symbol when you multiply or divide both sides of an inequality by the same negative number.
True or false?
Answers
Step-by-step explanation:
The statement is true, because when we multiply or divide both sides of an inequality by the same negative number we reverse the inequality symbol.
What is Inequality?A relation by which we can compare two or more mathematical expression is called an inequality.
Let an example of the inequality as;
⇒ 2x < 3
Multiply by - 1, we get;
⇒ - 2x > - 3
Thus, When we multiply or divide both sides of an inequality by the same negative number we reverse the inequality symbol.
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2x – 3y = 9
Solve for Y
Answers
Answer:
Move all terms that don't contain
y
to the right side and solve.
y=−3+2x3
Step-by-step explanation:
Find the slope of the line through the given points:
(3, 5) and (-2, 7)
Answers
Answer:
slope is -2/5
Step-by-step explanation:
use y2–y1/x2–x1
Answer:
-2/5
Step-by-step explanation:
formula: y2-y1/x2-x1=
7-5/-2-3= -2/5
Fill in the missing terms.
a) 1 : 2 = ___ : 4 b) 1 : ___ = 3 : 6 c) 3 : 5 = ___ : 10
d) 1 : 5 = 3 : ___ e) ___ : 6 = 1 : 3 f) 9 : 15 = ___ : 5
Answers
a) 2
b) 2
c) 6
d) 15
e) 2
f) 3
4. Find the value of x. (x + 23) (x + 13)
Answers
x = 27°
Step-by-step explanation:Hi there !
x + 13 + x + 23 = 90
2x = 90 - (13+23)
2x = 90 - 36
2x = 54
x = 54 : 2
x = 27°
Good luck !
Write the equation of a line through the point (7,-10) and
perpendicular to 5y + 3x = 15.
Answers
Step-by-step explanation:
In order to find the equation I used the following formula:
y - y1 = m ( x - x1)
P.s y1 & x1 are the coordinates of the given point
If you have any questions about the way I solved it, don't hesitate to ask me in the comments below :)
Plz help! Are they right? The questions are below!
Answers
Answer:
I believe the first one is correct, not so sure about the other one.
Step-by-step explanation:
Select all of the following transformations that would map ΔCDE to ΔTSR. a reflection over the y-axis a reflection over the line x=5.5 a translation of (x, y)→(x+6, y) a rotation of 90° counterclockwise about the point (5.5, 0) a reflection over the line x=4, and a translation of (x, y)→(x+3, y)
Answers
Answer:
3445
Step-by-step explanation:
because og 56
3 1/2 ÷ 1 3/4
I'm really confused
Answers
Answer:
2
Step-by-step explanation:
It just is
Answer:
2
Step-by-step explanation:
convert into improper fractions: 7/2 / 7/4
multiply by the reciprocal: 7/2 * 4/7 = 28/14
divide: 28/14= 2