Answer:
3.4 is the answer i think
Step-by-step explanation:
write a coordinate proof. Given: Rectangle ABCD has vertices A(0,4), B(6,4), C(6,0), D(0,0). E is the midpoint of line DC. F is the midpoint of line DA. Prove: The area of rectangle DEGF is one fourth the area of rectangle ABCD.
Please help I've been trying for a while
Answer:
The answer is below
Step-by-step explanation:
Distance between two points [tex]A(x_1,y_1)\ and\ B(x_2,y_2)\ on \ the\ coordinate\ plane[/tex]
[tex]|AB|=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
The area of rectangle = length * breadth
The area of rectangle ABCD = |AB| * |BC|
[tex]|AB|=\sqrt{(6-0)^2+(4-4)^2}=6\\\\|BC|=\sqrt{(6-6)^2+(0-4)^2} =4[/tex]
The area of rectangle ABCD = |AB| * |BC| = 6 * 4 = 24
E(x, y) is midpoint of line DC. Its coordinate is:
x = (6 + 0) / 2 = 3; y = (0 + 0) / 2 =0
The coordinate of E = (3, 0)
F(a, b) is midpoint of line DA. Its coordinate is:
a = (0 + 0) / 2 = 0; b = (4 + 0) / 2 = 2
The coordinate of E = (0, 2)
The area of rectangle DEGF = |DE| * |DF|
[tex]|DE|=\sqrt{(3-0)^2+(0-0)^2}=3\\\\|DF|=\sqrt{(0-0)^2+(2-0)^2} =2[/tex]
The area of rectangle ABCD = |DE| * |DF| = 3 * 2 = 6
Therefore, area of rectangle DEGF is one fourth the area of rectangle ABCD
I just wrote a formal email to my teacher. What do you think their response was?
A. (Something formal back)
B. K
C. (Emailing me something back that's basically complete gibberish)
D. Thanks
(This is a joke just take the points, you earned them.)
Answer:
A
Step-by-step explanation:
Use the distributive property to remove the parentheses.
1. 3(8 + x)
2. 7(v - 2)
3. 3(v - 9)
Answer:
1. 24 + x
2. 7v - 14
3. 3v - 27
Step-by-step explanation:
Distributive property means that you go through something by either multiplying or dividing by whatever may be in the parentheses.
1. For one you would multiply the 3 through. 3 x 8 + 3x which can be simplified into 24 + 3x.
2. For two you would multiply the 7 through. 7v - 7 x 2, which can be simplified into 7v - 14.
3. For three you would multiply the 3 through. 3v - 3 x 9, which can be simplified into 3v - 27
Hope this helps!
Please tell me if I am incorrect I enjoy learning from my mistakes!
Good luck!
10 十w=-9
I’m very confused please help
Answer:
w = -19
Step-by-step explanation:
10 + w = -9
-10 -10
w = -9 - 10
w = -19
Find x. Give you answer in the simplest form. X
Step-by-step explanation:
[tex]x = \frac{7}{ \sqrt{3} } = \frac{7 \sqrt{3} }{ \sqrt{3 } \times \sqrt{3} } = \frac{7 \sqrt{3} }{3} [/tex]
y=2x-7
y=-3x+18
solve by substitution
Answer:
-x+11
Step-by-step explanation:
am not sure if this is correct but
2x-3x=-x
-7+18=11
-x+11
in southern California, there is a six-mile section of Interstate 5 that increases 2,500 feet in
elevation. What is the angle of elevation?
Answer:
4.51°
Step-by-step explanation:
1 mile= 5280 feet
6 mile= 6(5280) =31680 feet
Angle of elevation is 0 where
tan 0 = 2500/ 31680 = 0.0789
Hence 0 = tan-1(0.0789) = 4.51°
hope it helps!
A person standing on a moving walkway travels 90 feet in 30 seconds. What equation represents this relationship? How many feet will the person travel in 10 seconds?
Answer:
30 feet
Step-by-step explanation:
90/30*10=30
Answer:
The answer is 30 ft
Step-by-step explanation:
You are buying notebooks that cost a total of $10.00. There is an 8% sales tax. How much tax will you pay?
The sales tax is $??
Answer:
$.80 the new amount is $10.80
Brainliest Please!!!!?!!!!!!!!!!!
Catherine split rope that was 49.4 inches into
4 equal parts. What is the length of each part?
Answer:12.4 inch
Step-by-step explanation:
49.4 is the total length of the rope. And you have to equally divide it into 4 parts.
So 49.4/4
=12.4 inch(rounded off to 3 s.f from 12.35)
Find the measure of the exterior angle shown. Please show the steps.
Answer:
X + 31 =(2x-8)
first remove the brackets
X+31=2x-8
(x-x)+31=2x-x-8
31 = x-8
31-8= -8-8+x
23=x
exterior angle
2x-8
(23+23)-8
46-8
exterior angle =38
I am confused on this.
help plz............................. they keep saying show work
Answer:
4x10=40
40+7^2+10
7^2=49
40+49+10
40+49=89+10=99
99
Answer:
99
Step-by-step explanation:
According to PEMDAS, solve for the parenthesis first:
(4 x 10 + 7^2) + 10
(40 + 7^2) + 10
(40 + 49) + 10
89 + 10
99
If Albert has 9 cupcakes and Linda has 14 cupcakes and they each give each other 3 how many cupcakes will Albert and Linda have in total?
Total 23 cupcakes is the answer .
a. Two paths of width 2m each run across the middle of a rectangular
garden of length 60m and breadth 40m. What is the total area
covered by the both paths.
b. The area of a rectangular field is 60000 m². If the ratio of length
and breadth is 3:2, find its perimeter.
Answer:
196 m² ; 1000 m
Step-by-step explanation:
Given that:
Dimension of rectangular garden = 60m by 40m
Width of the 2 paths that run across each other = 2m
Hence,
Area of path 1 = (length * width) = (60 * 2) = 120m²
Area of path 2 = (breath * width) = (40 * 2) = 80m²
Area of Point where both paths cross each other (2 * 2) = 4m²
Total area covered by both path = (120m² + 80m² - 4m²) = 196m²
B.)
Area of rectangular field = 60000m²
Ratio of length and breadth = 3 : 2
Length * breadth = 60000
x ; breadth = (2/3)x
x * (2/3)x = 60000
2/3 x² = 60000
x² = 60000 ÷ 2/3
x² = 40,000
x = sqrt(40000)
x = 200
(3/2) * 200 = 300
Length = 300
Hence,
Perimeter = 2(length + breadth)
Perimeter = 2(300 + 200)
Perimeter = 2(500)
Perimeter = 1000m
A bucket holds b liters of water. But a jar holds 8 fewer liters than the bucket. How many times can the bucket hold than the jar? Thanks for your help!
Answer:
b / (b - 8)
Step-by-step explanation:
Given that :
Litres of water held by bucket = b
Jar holds 8 litres fewer than bucket; hence, litres held by jar = b - 8
The number of times bucket can hold than jar is :
Litres held by bucket / litres held by jar
b / (b - 8)
Solve the proportions 21 over 20 =m over 100
Step-by-step explanation:
21/20 = m/100
m = 100 * (21/20) = 105.
Again sorry for the rainbow but pls explain to me and the answer
Answer:
Its supposed to be 28.52 - 11.20 not 11.2
Step-by-step explanation:
Please help me with this it’s due Sunday :(
A ball shaped like a sphere has a radius of 2.7 centimeters. which measurement is closed to be volume of the ball in cubic centimeter?
A. 46.38
B. 33.93
C. 122.15
D. 82.45
Answer:
D
Step-by-step explanation:
23 girls have a mean height of 153cm
17 boys have a mean height of 165cm
work out the mean of all 40 children?
plzz help me!!!
pleaseee
Answer:
Mean height of 159
Step-by-step explanation:
Add 153 and 165, then divide by 2 to find the average of 159.
3. What is the perimeter of VPQR? Show your work. (Giving Brainliest)!
Answer:
13 (i think)
Step-by-step explanation:
Answer:
P = 17
Step-by-step explanation:
3y – 2 = y + 4
3y -2 (+2) = y + 4 (+2)
3y = y + 6
3y (-y) = y (-y) + 6
2y = 6
2y / 2 = 6 / 2
Y = 3
PR = 3y – 2
PR = 3(3) – 2
PR = 9 – 2
PR = 7
P of PQR = 4 + 6 + 7
P of PQR = 17
explain why the terms 4x and 4x^2 are not like like terms
Answer:
well for me it's because
Step-by-step explanation:
Of the raise to power
PLSS HELP ILL GIVE YOU BRAINLIEST!!
Answer:
Step-by-step explanation:
Q1)
Use Phythogoras theorem:
[tex](AC)^2=(BC)^2+(AB)^2\\BC^2=AC^2-AB^2\\BC^2=6^2-4^2\\BC^2=36-16\\BC^2=20\\\\Apply\ square\ on\ both\ sides\\\\\sqrt{BC^2}=\sqrt{20} \\BC=\sqrt{20} \\BC=\sqrt{10(2)} \\BC=\sqrt{5(2)(2)} \\BC=2\sqrt{5}[/tex]
Q2)
Apply phythogoras theorem:
[tex]CD^2=CE^2+DE^2\\CD^2=7^2+9^2\\CD^2=49+81\\CD^2=130\\\\Apply\ square\ root\ on\ both\ sides\\\\\\sqrt{CD^2} = \sqrt{130} \\\\CD=\sqrt{130} \\\\CD=11.4[/tex]
Q3)
Apply phythogoras theorem again:
[tex]BC^2=BD^2+CD^2\\BC^2=7^2+13^2\\BC^2=49+169\\BC^2=218\\\\Apply\ square\ root\ on\ both\ sides\\\\\\sqrt{BC^2} =\sqrt{218} \\\\BC=\sqrt{218} \\\\BC=14.76[/tex]
I have an attached an image for Question 2 for better understanding the length of DE in question equals 15 - 6 = 9
An account with the same Principal Amount growing at a rate of 5% will grow the
fastest if the account is *
Simple Interest
Compounded Quarterly
Compounded Monthly
Answer:
Compounded Quarterly
Step-by-step explanation:
This is because the compound interest equation is dependent on the number of times the amount is compounded per year. Monthly is 12 times per year and quarterly is only 4. Simple interest stays at a linear rate.
how to write an equation of a line passing through a point
Answer:
Find the Equation of a Line Given That You Know Two Points it Passes Through. The equation of a line is typically written as y=mx+b where m is the slope and b is the y-intercept.
Step-by-step explanation:
Which image most closely shows the pattern of glitter flow in the lava
lamp?
d-3
----- =11
4
What does D =?
a bird flies from the ground to the top of a tree, sits there and sings a song for a while, flies down to the top of a picnic table to eat crumbs, then flies back to the top of the tree to sing some more, What graph best represents this situation?
SOMEONE ANSWERR PLEASE
Answer:
Addition
Step-by-step explanation:
By simple addition we can reduce the no. Of steps involved.
Answer:
Subtracting; x = 3/2, y = 8
Step-by-step explanation:
1. Subtracting them from one another because the 1/2y term matches up.
2. when added together:
8x = 12
x = 3/2
plug the x value into one of the equations:
y = 8
