please answer i need help.
Given that AABC ADEF, find the length of side DF Show the equation and ALL algebra used to solve for the length of DE
Answers
Answer:
the length of side DF is 19
Step-by-step explanation:
you first need to find what x=
sides AB=DF AC=DE BC=FE
so we can say that 3x+1=19
3x+1=19
-1 -1
3x=18
÷ by 3
x=6
then DF os 2x+7
so 2(6)+7
12+7=19
Related Questions
see if you can solve for y
y-4=3
Answers
Answer:
And y = 7?
Step-by-step explanation:
What is 43.982 rounded to the nearest hundredth
Answers
Answer:
The answer is 42.98
Step-by-step explanation:
you can search up rounding charts online and that would help you a lot! After the decimal, it goes by tens, hundreds, thousand, and so on.
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!
if a dog eats 20\21kilograms of food per day. How many kilograms will the dog it in the month of august
Answers
Answer:
620 to 651
Step-by-step explanation:
21x31=651
210x31=620
Step-by-step explanation:
if a dog eats 20\21kilograms of food per day. How many kilograms will the dog it in the month of august
august has 31 day's so
20/21×31=
=29.524
PLEASE ANSWER RIGHT NOW HELP ME
Answers
Answer:
y - 4 = -5(x + 1)
Step-by-step explanation:
Slope = m = -5
(-1, 4)
y - y1 = m(x - x1)
y - 4 = -5(x - [-1])
y - 4 = -5(x + 1)
How many solutions are there for the following equation? Why?
8(x + 9) = 72 – 5x
Select the option that correctly answers both questions.
1 There is one solution, because the coefficients of the variables on both sides of the equation are different.
2 There is one solution, because the coefficients of the variables on both sides of the equation are the same.
3 There are no solutions, because the coefficients of the variables on both sides of the equation are different.
4 There are no solutions, because the coefficients of the variables on both sides of the equation are the same.
Answers
Answer:
I think 2? maybe 1.
Step-by-step explanation:
because it becomes 8x+72=72-5x which can then become 3x=0 then x=0/3 and 0/3=0 so x=0
I need help with number 5 please!
As shown on the diagram below ABC ~ DEF, AB=7x, BC=4, DE=7 and EF=x what is the length of AB?
Answers
==========================================================
Explanation:
We're told that [tex]\triangle ABC \sim \triangle DE F[/tex] which means triangle ABC is similar to triangle DEF. The order of the letters is important as you'll see in the next two paragraphs.
AB and DE are the first two letters of ABC and DEF respectively. These two sides pair up as one corresponding pair. This forms the fraction AB/DE.
Through similar logic, we get the fraction BC/EF. We have BC and EF as the last two letters of ABC and DEF respectively. This fraction is equal to the previous fraction we set up (due to similar triangles having equal proportions).
Once again, the order of the letters matters to tell us how the sides and angles pair up together.
-----------------
In short, the key takeaway from that last section is that we can form this equation:
AB/DE = BC/EF
From here, we apply substitution and solve for x
So,
AB/DE = BC/EF
7x/7 = 4/x
7x*x = 7*4 .... cross multiplication
7x^2 = 28
x^2 = 28/7
x^2 = 4
x = sqrt(4)
x = 2
We only consider the positive square root because x is some side length. Negative x values are not allowed.
To wrap things up, use that x value to find AB
AB = 7x = 7*2 = 14
[tex]\sf Helppp! \:29=-8x-3[/tex]
Answers
Answer:
29+8x-3=0
Step-by-step explanation:
esto es lo que se esque no se si lo has escrito bien
Answer:
x=-4
Step-by-step explanation:
Switch sides:
−8x−3=29
Add 3 to both sides:
−8x−3+3=29+3
Simplify:
−8x=32
Divide both sides by −8:
−8x/−8 = 32/−8
Simplify again for the result:
x=−4
[tex]\boxed{\sf Answered \: By\: Subhash} [/tex]
[tex]\boxed{\sf Good\: luck \: for \: your \:assignment} [/tex]
2x+34=6-5x pls help show work I’ll mark as brainliest!!
Answers
Answer:
x = -4
Step-by-step explanation:
2x + 34 = 6 - 5x
Subtract 34 from both sides.
2x = -28 - 5x
Add 5x to both sides.
7x = -28
Divide both sides by 7.
x = -4
Proof:
2x + 34 = 6 - 5x
Substitute variable.
2(-4) + 34 = 6 - 5(-4)
Multiply.
-8 + 34 = 6 + 20
Add.
26 = 26
Answer:
x = -4
Step-by-step explanation:
2x+34=6-5x
+5x +34 = 6+5x
------------------------
7x +34 = 6
7x -34 = -34
-----------------
7x = -28
--- ------
7 7
x = -4
What is the solution to the following equation? Show all work.
3(x+2)-2x =-2(x-3)+3x
(1) No Solutions
(3) x=2
(2) Infinite Solutions
(4) x=-3
Answers
Answer:
No solutions
Step-by-step explanation:
I hope my answer help you.
Eight students in a small class made the test scores shown in the table. What was the mean absolute deviation for the class?
student Score
James- m
Lou- 2m
Rob- 3m
teri- 4m
shawn- 4m
Skip- 3m
art- 2m
Jim- m
Answers
Answer:
-5m/2
Step-by-step explanation:
-m+ (-2m) +(-3m)+(-4m) +(-4m)+(-3m)+(-2m)+(-m)/8
-m-2m-3m-4m-4m-3m-2m-m/8
-20m/8
-5m/2
what is the slope of the line through (-9,6), (-3,9)
Answers
(9-6)/(-3+9)
= 3/6
=1/2
what is [tex]−3.64⋅|5.3|−1.5^3[/tex]
Answers
Answer:
- 22.667
Step-by-step explanation:
1.5^3 = 1.5 x 1.5 x 1.5 = 3.375
- 3.64 ⋅ | 5.3 | - 1.5^3
= ( - 3.64 ⋅ | 5.3 | ) - 1.5^3
= ( - 3.64 ⋅ 5.3 ) - 1.5^3
= ( - 3.64 x 5.3 ) - 1.5^3
= - 19.292 - 3.375
= - 22.667
Given that h is directly proportional to I, copy and complete the table. h) 15 30 75 (l)36 72
Answers
Answer:
Answer:(h) =***************************
(l)=***************
½x - 5 = -6
Which solution makes this equation true?
1. -12
2. -2
Answers
Let’s try x = -12
1/2(-12) - 5 = -6
PEMDAS says to multiply first
1/2 x -12 = -6
So
-6 - 5 = -6
-6 - 5 = -11 not -6 so it’s not that
Now let’s do x = -2
1/2(-2) - 5 = -6
Again, you multiply first
1/2 x -2 = -1
-1 - 5 = -6 so it works
Vickie was born on this day in 1981. Including leap years, how many seconds old is Vickie?
Answers
Answer:
Vickie is about 1,256,428,800 seconds old.
Step-by-step explanation:
1 year = about 31,536,000 seconds
2021 - 1981 = 40
39 × 31,536,000 = 1,229,904,000 (total 365-day years in seconds discluding this year)
____________________________________________
Now, add the leap days.
Since 1981, there has been 10 leap years, meaning 10 leap days.
1 leap day = about 86,400 seconds
86,400 × 10 = 864,000 (total leap day seconds)
____________________________________________
Today is 10/24/2021, so it is the 297th day of the year.
1 day = exactly 86,400 seconds
297 × 86,400 = 25,660,800 (total seconds this year)
____________________________________________
Add all values to get the total amount of seconds.
1,229,904,000 + 864,000 + 25,660,800 = 1,256,428,800 (total seconds of how old is Vickie)
The area for any square is given by the function ()=2, where x is the length of a side of the square and y is the area of the square. Find the area of a square with a side length of 3.5 inches.
f(3.5)=
square inches
ENTER THE NUMERICAL ANSWER ONLY. ENTER YOUR SOLUTION AS A DECIMAL. ROUND TO THE NEAREST HUNDREDTH IF NECESSARY.
Answers
Answer:
12.25 sq inches
Step-by-step explanation:
3.5*3.5=12.25
What is the slope-intercept equation
for the following line?
Answers
Answer:
y= 2x +7
Step-by-step explanation:
Need Help Now Do not Wait need help with all will give 20 points!!!!!!!!!!!!!!
Answers
Step-by-step explanation:
the equation of the line simplify your answer type using integers are fraction indication points are the graph this is that what is the answer is
(x+6)(−x+1)=0
least to greatest
Answers
Answer:
0=(-x+1)(x+6)
Step-by-step explanation:
what is the equivalent value 3/2×(−2)
Answers
Answer:
= -3
multiplying and dividing fractions
Answer:
-3
Step-by-step explanation:
3/2^(-2)=-3
I will give you brainliest if you solve the math question
Answers
Answer:
x=60
y=30
Step-by-step explanation:
Answer:
y=30
x=60
Step-by-step explanation:
Use the following graph to find the slope, y-intercept, and x-intercept. 2 (-6,0) (2,-2)
Answers
Identify the subsets of real numbers of which 8 is a member. ( helps pls ^-^ )
Answers
The real numbers have the following important subsets: rational numbers, irrational numbers, integers, whole numbers, and natural numbers.
8 is an a integer, a whole number and a rational number.
Hope this helps,
if so mark brainliest...
which fact helps you prove the isosceles triangle theorem, which states that the base angles of any isosceles triangle have equal measure?
Answers
Answer:
If one angle of a triangle is larger then another angle, then the side opposite then the larger angle is longer then the side oposite to the smaller angle
Step-by-step explanation:
maths giving 10 point asap 1 question only
Answers
Answer:
Price of shirt=RM9.8
Step-by-step explanation:
Shirt=x Trouser=y
x+y=RM20
5x+y=RM59.20
y=20-x
5x+20-x=59.20
4x=39.20
x=9.8
y=20-9.8
y=10.2
A=?
b=?
C =?
Can someone tell me the answer please
Answers
Answer:
Below.
Step-by-step explanation:
a = 37 degrees ( vertical angle to 37 )
c = 180 - 37 = 143 degrees (adjacent angles add up to 180).
b = 180 - 37 - 109 = 34 degrees (angles in a triangle sum to 180 degrees).
a = 37 degrees
c = 180 - 37 = 143 degrees.
b = 180 - 37 - 109 = 34 degrees
An airplane on autopilot took 5 hours to travel 3,590 kilometers. What is the unit rate for kilometers per hour?
Answers
Answer:
695 km per hour
Step-by-step explanation:
Graph y= –3x+4.
i need a pic
5o points and brain thing
Answers
Refer to the attachment
find the equation of a line given two points (1, 2) and (4, 3).
Answers
Answer:
[tex]slope \: or \: gradient = y2 - y1 \div x2 - x1 \\ 3 - 2 \div 4 - 1 \\ 1 \div 3 \\ y = mx + c \\ 2 = 1 \div 3 \times 1 + c \\ 2 = 1 \div 3 + c \\ 2 - 1 \div 3 = c \\ c = 5 \div 3 \\ y = 1 \div 3x + 5 \div 3[/tex]
Shaq painted 600 portraits in 8 hours at that rate how many portraits would he paint in 4 minutes?
Answers
Answer: In 4 minutes he will make 5 portraits
Step-by-step explanation:
[tex]\large \boldsymbol{} 600p-8h=480 min \\\\ x \ p-4 min \\\\ x=\dfrac{600\cdot 4}{480} =\dfrac{2400}{480} =5 \ portraits \\\\ \rm Answer : 5[/tex]
