Answer:
DG=9
Step-by-step explanation:
2x-4=x+7
x-4=7
x=11
x-2=11-2=9
Complete the following proof. Prove: In an isosceles triangle, two medians are equal.
Answer:
Midpoint of AB = (0 + 2a / 2 , 0 + 0 / 2) = (2a / 2 , 0 / 2) = (a,0)
x coordinate of point c = a
N = (0 + a / 2 , 0 + b / 2) = (a / 2 , b / 2)
M = ( 2a + a / 2 , 0 + b / 2) = (3a / 2 , b / 2)
MA = √(3a / 2 - 0)² + b / 2 - 0)²
= √(3a / 2 )² + (b / 2) = 9a² / 4 + b² / 4
NB = √(a / 2 - 2a)² + (b / 2 - 0 )²
= √( a / 2 - 4a / 2)² + (b / 2 - 0)²
= √(-3a / 2)² + (b / 2)² = √9a² / 4 + b² / 4
Step-by-step explanation:
I tried my best hope its correct :0
HELP HELP HELP PLEASE HELP NOW HELP
Answer:
JK = 8
Step-by-step explanation:
Given 2 intersecting chords, then
The product of the measures of the parts of one chord is equal to the product of the measures of the other chord, that is
x(x + 4) = (x + 1)(x + 2) ← expand parenthesis
x² + 4x = x² + 3x + 2 ( subtract x² + 3x from both sides )
x = 2
Then
JK = x + 4 + x = 2x + 4 = 2(2) + 4 = 4 + 4 = 8
find any ten rational numbers between -4/6 and 4/6
-1/2 -3/6 -2/6 -1/3 -1/6 1/6 1/3 2/6 3/6 1/2
1/4x1/4x1/4x1/4x1/4=
Answer:
1 1/4 or 5/4
Step-by-step explanation:
one is simplified just in case
Answer:
1/1024
Step-by-step explanation:
If you want the steps, just ask and ill give them in comments :)
Hope this helped!
If so, can you mark brainiest!
Thanks!
Have a great day!
Find the slope of the line graphed below.
Given:
The graph of a line.
To find:
The slope of the graphed line.
Solution:
From the given graph it is clear that the line passes through the points (-2,2) and (2,5). So, the slope of the line is:
[tex]m=\dfrac{y_2-y_1}{x_2-x_1}[/tex]
[tex]m=\dfrac{5-2}{2-(-2)}[/tex]
[tex]m=\dfrac{3}{2+2}[/tex]
[tex]m=\dfrac{3}{4}[/tex]
Therefore, the slope of the given graphed line is [tex]m=\dfrac{3}{4}[/tex].
What is the perimeter of the triangle
Answer:
32
Step-by-step explanation:
all you have to do is add all the sides together .
Each year, Malcolm earns 120 hours of vacation time at his job. There are 52 weeks in a year.
What is the approximate number of hours of vacation time that Malcolm earns each week?
Answer:
2.3 hours per week
Step-by-step explanation:
When determining the volume of a shape, you should use cubic units in your final answer. true or false.
Answer:
true
Step-by-step explanation:
Answer:
true. you should
Step-by-step explanation:
what is the measure of SPT?
Answer:
Step-by-step explanation:
The Standard Penetration Test (SPT) is a widely used geotechnical test used to estimate soil strength. A SPT hammer drives a split barrel sampler at the bottom of a drive rod and recovers soil samples.
(-9x - 4) - (4x2 + 2x - 7)
Answer:
I assume you meant 4x^2
So the answer in simplified form is -4x^2-11x+3
what is the surface area?
Answer:
264
Step-by-step explanation:
Area= 1/2•b•h
=2(1/2)(b)(h)+3(b)(h)
=2(1/2)(6)(4)+3(16)(5)
=264
Kameron is flying a plane for the first time! The air traffic controller tells him to fly at 500m above the ground or higher. Write an inequality that is true only for elevations at which Kameron should fly. use x for the variable.
kkAnswer:
jkkjj
Step-by-step explanation:
Please ignore the messy laptop..it’s not mine
Anyways can anyone help me..
I’m finishing work before the marking period ends
It’s Special Right Triangles
answers
................
Decide whether or not each equation represents a proportional relationship. a. Volume measured in cups ( ) vs. the same volume measured in ounces ( ): b. Area of a square ( ) vs. the side length of the square ( ): c. Perimeter of an equilateral triangle ( ) vs. the side length of the triangle ( ): d. Length ( ) vs. width ( ) for a rectangle whose area is 60 square units:
Answer:
Volume measured in cups (c) vs. the same volume measured in ounces (z)
Please help me! Im begging!
Answer: 25
Step-by-step explanation: Divide the value of people by 12. ( mystery )
Answer:90
Step-by-step explanation:every 40 people there is 12 pwople who like mystery so you then up intill you cant no more so you will have 280 so you can add 12 any more but think again 20 people qquals to 6 mysery so if you add all of it together you will get 90
How many WNBA athletes played in China in the 2018-
19 season?
A. 4
C.11
B.8
D. 20"
Answer:
C. 11
I hope it's right and helpful
Answer:
c 11
Step-by-step explanation:
c 20 hg ch gggggghubydyh
which is correctly ordered from greatest to least
Help me with a this and get brain thing the 1st one
$12 meal; 4.5% tax find total cost to the nearest cent
Answer:
12.54
Step-by-step explanation:
just multiply 12×0.045 and add the 12.
I hope and this helps.
Have a good day.
Good luck
Three children shared some
sweet in the ratio of their ages.
The chilren are 4, 7, and 9 years
old. The oldest child gets 54
sweets
How much sweets did they have
altogether:
Answer:
120
Step-by-step explanation:
4x, 7x, 9x
9x=54
we need to find 4x+7x+9x
9x=54⇒x=6
4x+7x+9x=20x=20×6=120
Answer:
120 sweets
Step-by-step explanation:
4:7:9
Total Parts = 4+7+9=20
Oldest(9)= 9/20
9/20P= 54 Sweets
Total Sweets = 54/ (9/20) =120
Help guys I only have 18 minutes left!!!!!!
Given:
The equation of a circle is:
[tex](x-3)^2+y^2=32[/tex]
To find:
Center and the circumference of the circle.
Solution:
The standard form of a circle is:
[tex](x-h)^2+(y-k)^2=r^2[/tex] ...(i)
Where, (h,k) is center and r is the radius.
We have,
[tex](x-3)^2+y^2=32[/tex] ...(ii)
On comparing (i) and (ii), we get
[tex]h=3,y=0,r=\sqrt{32}[/tex]
So, the center of the circle is (3,0) and the radius of the circle is [tex]\sqrt{32}[/tex].
Now, the circumference of the circle is:
[tex]C=2\pi r[/tex]
[tex]C=2(3.14)(\sqrt{32})[/tex]
[tex]C=35.525045[/tex]
[tex]C\approx 35.5[/tex]
Therefore, the circumference of the circle is about 35.5 units.
Hey can you help me fast!!!
Answer:
-10 3/4
Step-by-step explanation:
I think it's that
Answer:
-10 3/4:)
Step-by-step explanation:
What number goes in the blank to make this number sentence true?
12x2= (?x2) + (2x2)
10
12
20
24
Answer:
10
Step-by-step explanation:
12 x 2 = 24
2 x 2 = 4
10 x 2 = 20
20 + 4 = 24
I hope this helps!
pls help me with this
Answer:
1. 11x +11
3. 4x - 16
5. 4x + 14
2. -9x + 16
4. x
6. 18x - 15
Step-by-step explanation:
Find the volume of the pyramid.
Answer:
576 in. (the first one)
Step-by-step explanation:
Plz help I need this done before 4
Answer:
It is a function.
Step-by-step explanation:
In a function, each input exists one unique output. In this case, this is a function because each input isn't assigned to multiple outputs, therefore y is a function of x.
WILL GIVE BRAINLIEST!!
4. Eva Truett had an open-end lease for a minivan for her home
decorating business. The lease cost $315 per month for
60 months. She paid a deposit of $1,200, a title fee of $135,
and a license fee of $85. At the end of the lease, she can buy
the van for its residual value of $3,850.
(not answer choices below)
a. What is the total lease cost?
b. What is the total cost if she buys the van?
Answer:
She paid a deposit of $315, a title fee of $65, and a license fee of $120. At the end of the lease, she can buy the van for its residual value of $3,850
315+120=435= 3,850➗ 65= 59.2307692308
59.2
Step-by-step explanation:
brainliest?
A helicopter flies 665 feet above ground. What is the measure of the angle of depression fro t the helicopter to the girls line of sight
Answer:
67°
Step-by-step explanation:
CHECK THE ATTACHMENT FOR THE FIQURE
From, trigonometry
tan(θ) = opposite/ adjacent
✓The helicopter is 665 feet from ground.
✓Distance of the helicopter and the line of sight of the girl will be the OPPOSITE SIDE, which is
(665ft - 5 ft)
= 600 ft
✓ from the figure, we can see the distance on the Horizontal side which is the ADJACENT SIDE as ( 280 ft)
✓angle of depression can be calculated as
tan(θ) = opposite/ adjacent
tan(θ)= (660/280)
tan(θ)= 2.357
tan-1=(2.357)
θ= 67°
Hence, angle of depression is 67°
If you had ten apple and some person took 2 how much will you have
Ps: a ded body
answer
= 10 and a dead body
ANSWER:10 apples and a ded body
Worth 17 points! Help me please!!! Look in the picture
Instructions: give me each answer with the question please
Math is due tomorrow NO links are allowed or DONT answer if your not going to help
Answer:
Part A
1. After 4 weeks of work, Jeremy has saved 300
2. Jeremy worked 8 weeks in order to save $600
3. For every one week of work, Jeremy saved 75 dollars
4. If Jeremy works 15 weeks, then he can expect to save 1,125 dollars
Part B
1. Saeed orders 15 meals and his total cost of delivery is $24
2. Saeed paid $32 to have 20 meals delivered
3. For every meal delivered, Saeed is charged $1.6
4. If Saeed pays $19.20 in delivery fees then he ordered 12 meals
Step-by-step explanation:
Part A
The given graph gives the proportional relationship between total amount saved and the number of weeks worked
1. Reading from the graph, at the point where the vertical line from point 4 touches the line of the graph, an horizontal line to the vertical y-axis touches the y-axis at 300
Therefore;
After 4 weeks of work, Jeremy has saved 300
2. The point where an horizontal line from point 600 on the vertical y-axis touches the line of the graph, a vertical line drawn to the horizontal, x-axis touches the x-axis at 8
Therefore;
Jeremy worked 8 weeks in order to save $600.
3. The rate of change of the amount saved to the number of weeks worked, 'm', for the given proportional relationship (straight line relationship, passing through the origin) is given as follows;
Rate of change, m = Constant = y/x
∴ Rate of change of the amount saved to the number of weeks worked = (300-0)/(4 weeks- 0 week) = 75/week
Therefore;
For every one week of work, Jeremy saved 75 dollars
4. The amount Jeremy would have saved in 15 weeks, 'A', is given as follows;
A = m × n
Where;
m = The rate of change of the amount saved to the number of weeks worked = 75/week
n = The number of weeks worked
∴ A = 75/week × 15 = $1,125
Therefore;
If Jeremy works 15 weeks, then he can expect to save 1,125 dollars
Part B
From the graph, we have;
1. From the graph there is a proportional relationship between the total cost of delivery and the number of meals
At the point a vertical line drawn to the line of the graph from 15 on the horizontal axis (number of meals), a horizontal line drawn to the vertical y-axis touches the y-axis at 24
Therefore;
1. Saeed orders 15 meals and his total cost of delivery is $24
2. From the point where the horizontal line from 32 on the vertical axis touches the linear graph of the relationship between the total cost of delivery and the number of meals, a vertical line drawn down to the horizonal axis touches the horizontal x-axis at 20
Therefore;
Saeed paid $32 to have 20 meals delivered
3. The rate of change of the total cost of delivery to the number of meals, 'm', is given as follows;
m = y/x (for proportional relationships)
Taking any corresponding 'x' and y-values
m = 16/10 = 32/20 = 24/15 = 1.6 Dollars/meal
Therefore;
For every meal delivered, Saeed is charged $1.6
4. From m = y/x = 1.6
When y = $19.20
x = y/m = $19.20/($1.6/meal) = 12 meals
Therefore;
If Saeed pays $19.20 in delivery fees then he ordered 12 meals.