Given: m∠A = m∠C = 90° AB ║ DC Prove: ∆ABD ≅ ∆CBD

Answer:

no 6^2 + 8^2 ≠ 12^2 so this is not a right triangle

Step-by-step explanation:

The Pythagorean theorem  tells you if you have a right triangle

a^2+b^2 = c^2  where a and b are the legs and c is the hypotenuse

6^2 + 8^2 = 12^2

36+64 = 144

100 = 144

This is not true so this is not a right triangle

Answer:

It does not intersect the x axis

Step-by-step explanation:

If there are no real roots the quadratic does not intersect the x axis

If there is one root it touches the x axis

2 real roots it crosses twice

Answer:

(MAD) mean absolute deviation: 114.2

Step-by-step explanation:

Mean: 62 + 71 + 83 + 110 + 501 + 94 + 227 = 1,148/7 = 164

164 - 62 = 102

164 - 71 = 93

164 - 83 = 81

164 - 110 = 54

164 - 501 = 337

164 - 94 = 70

164 - 227 = 63

Mean Absolute Deviation: 102 + 93 + 81 + 54 + 337 + 70 + 63 = 800/7 =  114.2

Answer:

Step-by-step explanation:

First, add all the numbers and count the total amount of numbers.

Once you've done that find the mean by dividing the total of the numbers by how many numbers you have.

Next make a chart, have 2 parts in the chart. Make boxes for however many numbers you have. Make another row in the chart for the distance from the mean ( how many numbers is it from the mean.)

Add all the "distance from mean" numbers and divide by total numbers, If a decimal, round up or down.

Then, you have the M.A,D ( Mean Absolute Deviation )

Answer:

[tex]y = \frac{c}{b} - \frac{ax}{b}[/tex] or [tex]y = \frac{c-ax}{b}[/tex]

Step-by-step explanation:

Slope intercept form is y = mx + b, so you rewrite it to equal y.

ax + by = c

by = c - ax

y = (c - ax) / b

[tex]y = \frac{c}{b} - \frac{ax}{b}[/tex]

In the image, all the lines overlap. This proves that all the equations are equal to each other.

There are 5 cities listed. The mean is 273, so the total calls should be 5 x 273 = 1,365.

Find the total of know calls: 244 + 353 + 235 + 311 = 1143.

The calls in Thornbury are: 1365 - 1143 = 222

Answer:

I cant view the image??

Step-by-step explanation:

Answer:

9a^2 + b^2

Step-by-step explanation:

(3a + b)^2

9a^2 + b^2

So the right answer is 21/16 cubic centimetres

Look at the attached picture

Hope it will help you

good luck on your assignment

Answer:

[tex]t \approx 50.4\,min[/tex]

Step-by-step explanation:

The time constant of the element X is:

[tex]\tau = \frac{13\,min}{\ln 2}[/tex]

[tex]\tau = 18.755\,min[/tex]

The decay function has the following form:

[tex]\frac{m}{m_{o}} = e^{-\frac{t}{\tau} }[/tex]

[tex]t = -\tau \cdot \ln \frac{m}{m_{o}}[/tex]

[tex]t = -(13\,min)\cdot \ln \left(\frac{11\,g}{530\,g} \right)[/tex]

[tex]t \approx 50.4\,min[/tex]

Answer:

Its actually 72.7

Step-by-step explanation:

Answer:

72 degrees.

Step-by-step explanation:

We can name the measure of the angle x.

We can name the measure of the complement of it y.

Note that complementary angles add up to 90 degrees and supplementary angles add up to 180 degrees.

Using this info, we can set up two equations.

x+y=90

x+6y=180

Subtract the first equation from the second to eliminate x. You can do both ways, but I prefer to keep the equation positive.

x+6y=180

-x -y   -90

5y=90

Divide both sides by 5.

y=18

The complement is 18, now we can plug that in to find x.

x+18=90

Subtract 18 from both sides.

x=72

The measure of the angle is 72 degrees.

Answer:

a

Step-by-step explanation:

Answer: 72 km / hour

Step-by-step explanation:

Answer:

72 km/hr

Step-by-step explanation:

First, convert from meters to kilometers. 20 meters is 0.02 kilometers.

Now that you have km/s, convert 0.02 km/s into km/h by multiplying it by the number of seconds in an hour. There are 3,600 seconds in an hour. Multiply 0.02 km/s by 3,600 secs/h to get 72km/h!

Hey!!!!

Your question is not clear..

So,I looked the options and I thought the question is like this:

(5)^2

=5*5

=25

So the answer is 25.

Hope it helps...

Good luck on your assignment

Answer:

64

Step-by-step explanation:

step one would be to divide 140 by 56 and once you do that you would get 2.5 so then you would divide 160 by 2.5 to get 64.

Answer:

Step-by-step explanation:

Answer:

ysbbs

Step-by-step explanation:

gebsjsjsisisuisiddd

Answer:

you have to find the unit rate first then try to solve

Step-by-step explanation:

Answer:

1/4 minutes

Step-by-step explanation:

1 minute = 60 seconds

3 minutes = 180 seconds

3 minutes and 15 seconds = 195 seconds

13 miles/195 seconds

195/13 = 15

His speed --> 1 mile/15 seconds

1/4 minutes = 15 seconds

Pls mark me as brainliest ;)

Answer:

2x - y + 3z

Step-by-step explanation:

You have to combine like terms

Hope this helps

Answer:

answer is number 3.

Step-by-step explanation:

Answer:

4,950

Step-by-step explanation:

5 or up rounds up 4 or down rounds down therefore 4,952 rounds to 4,950

Answer:

4,950

Step-by-step explanation:

The Answer Is 9

Step-by-step explanation:

0.5(3)(6)

1.5(6)

9

Answer:

9

Step-by-step explanation:

I chose 9 because first you have to add 4+2 because it's in parenthesis and the other with parenthesis has no other numbers so 4+2 first then 4+2 is 6 then you multiply 6 by the 3 in the parenthesis because it is in the parenthesis then divide by 2 because 1/2 is basically dividing by 2

Answer:

0=3x^2-14x-y+18

Step-by-step explanation:

Video showed me on Edge

Answer:

A

Step-by-step explanation:

edge

Answer:

Trey is incorrect. D is the correct answer

Step-by-step explanation:

30/50= 3/5=60%

Answer:

Step-by-step explanation:

Answer:

its c

Step-by-step explanation:

i just got it right

Answer:

180°

Step-by-step explanation:

A polygon that has 32 sides is called a triacontadigon or a triacontakaidigon.

The angles of a triacontadigon add up to 5760°.

5760÷32=180°

Answer:

4

Step-by-step explanation:

Exact Form:

x

=

ln( 18)

---------

ln (2)

Decimal Form:

x=4.16992500

…

Answer:

C

Step-by-step explanation:

Answer:

24 yards

Step-by-step explanation:

46+26=72

72/3=24

Answer:

x = 6 m

Step-by-step explanation:

The area (A) of a trapezium is calculated as

A = [tex]\frac{1}{2}[/tex] h (a + b)

where h is the perpendicular height and a, b the parallel bases

Here A = 60, h = 8, a = 9 and b = x , thus

[tex]\frac{1}{2}[/tex] × 8 × (9 + x) = 60, that is

4(9 + x) = 60 ( divide both sides by 4 )

9 + x = 15 ( subtract 9 from both sides )

x = 6 m