Find the m Exterior angle of triangle

Find The MExterior Angle Of Triangle

Answers

Answer 1

Answer:

60 degrees

Step-by-step explanation:

ebd + dbc = 180 because they make a straight line

120 + dbc = 180

dbc = 60

the three angles in a triangle always add up to 180 degrees

bcd + dbc + cdb = 180

60 + 60 + cdb = 180

120 + cdb = 180

cdb = 60


Related Questions

Find the volume of the cone. Round your answer to the nearest tenth. Use 3.14 for n.
11 cm
16 cm
The volume is about
1 cm²

Answers

Step-by-step explanation:

use formula

volume of cone =1/3 πr²h

What is an equation of the line that passes through the points (-4, -1)(−4,−1) and (2, 8)(2,8)?

Answers

Answer:

y = 3 /2 x + 5

Step-by-step explanation:

Select the correct answer.

What does an individuals effective tax rate indicate?

A the average income earned
B the average tax rate
C the minimum tax rate
D. the next year's tax rate

Answers

Answer:

The answer is B the average tax rate

if i had 2 cats and my mom bought me 4 dogs how many animals is that in total​

Answers

Answer:

2 + 4 = 6 animals

Step-by-step explanation:

2 cats + 4 dogs = 6 animals

6 animals is the answer

There are 18 girls on the swim team and 12 boys on the swim team what percent of the team is made up of boys

Answers

40% since 30/12 is equal to .4

Answer:

40%

Step-by-step explanation:

So add 18 and 12 makes 30. Then divide 30 with a common factor say 6. so there is 5 6s in 30 so each 6 is equivalent to 20 percent there are 2 6s in 12 so it is 40 percent

Tina is 7 years younger than her cousin, Sierra. Their ages add up to 31. How old is Tina?

Answers

Answer:

Sierra is 19 and Tina is 12.

Step-by-step explanation:

Sierra is 19 and Tina is 12.

19-7 = 12

19+12= 31

2) Dan pays $42.95 per month for his cell phone. At
this rate, what will his cell phone cost for a year?


Please help !

Answers

$42.95 x 12 =
I will let you do the rest.

Answer:

$515.40

Step-by-step explanation:

Dan pays $42.95 per month for his cell phone. There are 12 months.

m=months

($42.95m) (12) = $515.40

Please help, if you get right, you will get a brainlst.

Answers

Answer:

from left to right

-8

-9

-10

-11

Help me with math pls ❤️ it will mean a lot to me.

Answers

7/6

Hope this helps!!!!
your answer would be 7/6

ALSO NEED HELP PLEASE

Answers

Answer:

29

Step-by-step explanation:

Since this is a rectangle, opposite side are congruent and parallel so

[tex]7x - 6 = 3x + 14[/tex]

[tex]7x = 3x + 20[/tex]

[tex]4x = 20[/tex]

[tex]x = 5[/tex]

Plug that in to WZ

[tex]7(5) - 6 = 29[/tex]

Answer:

First we have to find the value of x.

So,

7x - 6 = 3x + 14

7x - 3x = 14 + 6

4x = 20

x = 20/4

= 5

Therefore

WZ = 7x - 6

= 7 ×(5) -6

= 29

Hope it helps!

I need help with this question ASAP

Answers

Answer:

the second one

Step-by-step explanation:

the second answer is correct

Calculate the radius of a circle whose area is equal to the sum of the areas
of three circles of radii 2 cm, 3 cm and 4 cm respectively.​

Answers

i do belive the awnser is circle

solve the system using the any method:

x+3y=9
2x+5y=14

pls explain-

Answers

-3,4 is your answer
Sorry photo messed up and bad quality

Plz help me get the right answer

Answers

Answer:

4x²+24x-28

Step-by-step explanation:

to understand thisyou need to know about:PEMDASalgebratips and formulas:(a-b)²=a²-2ab+b²let's solve:

[tex]step - 1 : define[/tex]

[tex] {8x}^{2} + x - (2x - 6) ^{2} [/tex]

[tex]step - 2 : simplify[/tex]

use (a-b)²=a²-2ab+b² to expand the expression:[tex] \tt {8x}^{2} + 8 - (4 {x}^{2} - 24x + 36)[/tex][tex] \tt remove \: parentheses \: and \: the \: signs : \\ \tt{8x}^{2} + 8 - 4 {x}^{2} + 24x - 36[/tex][tex] \tt \: collect \: and \: combine \: like \: terms : \\ \tt{4x}^{2} + 24x - 28[/tex]

please answer part A and B with an explanation (7th grade) 20 points!!

Answers

A = $226.80
B = $201.50
C = $200

To find the tots with a markup, times the original amount by the percentage as a decimal (30% would be 0.30). Then add that amount back on.

The answer would be C because it is the cheapest.

B.
66%. Again, because it is the cheapest, if you offer more than the markup of both A and C- A will have to be cheaper. Thus, at least a 66% discount is the answer.

Hope that helps!

what is half of 1/4?

Answers

Answer:

It is 1/8

Step-by-step explanation:

If you split 1/4 into another half you will get 1/8

This is true because if you add 1/8 and 1/8 you get 2/8 which simplified is 1/4

A person places $3610 in an investment account earning an annual rate of 6.6%, compounded continuously. Using the formula V = Pe^{rt}V=Pe rt , where V is the value of the account in t years, P is the principal initially invested, e is the base of a natural logarithm, and r is the rate of interest, determine the amount of money, to the nearest cent, in the account after 18 years.

Answers

Answer:

11842.6541≈11842.65

Step-by-step explanation:

The amount of money to the nearest cent in the account after 18 years is

$11842.75.

What is Continuous compounding?

Continuous compounding is the mathematical limit that compound interest can reach if it's calculated and reinvested into an account's balance over a theoretically infinite number of periods. While this is not possible in practice, the concept of continuously compounded interest is important in finance. It is an extreme case of compounding, as most interest is compounded on a monthly, quarterly, or semiannual basis.

A = P × [tex]e^{rt}[/tex]

where,

A = Amount of money after a certain amount of time

P = Principle or the amount of money you start with

e = Napier’s number, which is approximately 2.7183

r = Interest rate and is always represented as a decimal

t = Amount of time in years

Given here,

Principal amount (P) = $3610,

Interest rate (r) = 6.6% = 6.6/100 = 0.066

Amount of time (t) = 18 years

Therefore, Amount after 18 years will be A = P × [tex]e^{rt}[/tex]

                    A = $3610 × [tex]2.7183^{0.066 *18}[/tex]

                    A = $3610 × 3.2805

                    A = 11.842.7482

                    A = $11842.75

Hence, The amount of money to the nearest cent in the account after 18 years is $11842.75

Learn more about continuous compounding here:

brainly.com/question/30033245

#SPJ5

1880000 in scientific notation

Answers

Answer:

1.88 x 10⁶

Step-by-step explanation:

What is the pattern for solving Benchmark Percentages of 100% ?

Answers

Answer: divide by 100 then times result by x

Step-by-step explanation: hope it helps

thx for points gl :)

6th grade math help me pleaseeee

Answers

Answer:

D :3 -Your friend, Bill Cipher

Step-by-step explanation:

Answer:

sqrt of 65, bc 8 squared is 64

Can someone please help me with this??

Answers

9514 1404 393

Answer

  a) correct

  b) (30, 100) would mean an area of 100 square feet is enclosed when the width is 30 feet. (Kristina's vertex coordinates are incorrect.)

Step-by-step explanation:

a) The derivation and expression for A(w) are correct

__

b) Kristina made a mistake in using her graphing calculator to find the vertex. The actual vertex is (27.5, 756.25). The coordinates of the vertex are (w, A(w)). The vertex (w, A(w)) means that the area of the enclosed space is A(w) when the width of the enclosure is w.

If Kristina's vertex coordinates were correct (which they are not), they would tell you the enclosed area is 100 square feet when the width of the enclosure is 30 feet.

Mary has 3636 flower pots. She plants daisies in \frac{2}{3} 3 2 ​ of her flower pots. In how many flower pots does Mary plant daisies? Use paper to show your work. Enter your answer in the box.

Answers

Answer: 24

Step-by-step explanation:

Number of flower pots = 36

Since she plants daisies in 2/3 of her flower pots, the number of flower pots that Mary plant daisies will be:

= 2/3 × 36

= 2 × 12

= 24

She plants daises in 24 flower pots

Write the equation of the line that passes through the points (-4, 3) and (2,-6)?​

Answers

Answer:

-9/2

Step-by-step explanation:

a chimp is taking a multiple-choice test. of course the chimp can't read and is guessing for every question. if there are 4 choices for each question, and there are 84 questions on the test, how many questions can we expect the chimp to answer correctly? (hint: there is a 25% chance that the chimp will guess correctly)​

Answers

Answer:

21 because there is a 1/4 chance and there are 84 questions, so 1/4 (25%) of 84 is 21.

Step-by-step explanation:

Spencer has a bank account with a balance. Of. $75.Spencer owes$30 to her credit card and she owes $50 for a LCD tv.What would spencers bank balance be,if both debits were paid.

Answers

Answer: $-5

Step-by-step explanation:

From the question, we are informed that Spencer has a bank account with a balance of $75.

We are further told that Spencer owes $30 to her credit card and she owes $50 for a LCD tv.

The amount on Sencers bank balance if both debits were paid would be:

= $75 - ($30 + $50)

= $75 - $80

= $-5

the width if a rectangular room is 1 less than twice the length if the perimeter is 196 feet how long is the length

Answers

Answer:

l = 33 feet

Step-by-step explanation:

Let length be l.

Width, b = 2l-1

Perimeter of the room, P = 196

We know that the perimeter of the rectangle is given by :

P = 2(l+b)

196=2(l+2l-1)

98=3l-1

Adding 1 both sides.

98+1=3l-1+1

3l=99

l = 33 feet

So, the length of the room is 33 feet.

help me please!!!!!!!!!!!!!!!!

Answers

Answer:

The second store is cheaper

1st store is $290 and the 2nd is $257

HELP PLEASE FAST
Solve for x

Answers

Answer:

[tex]x^o+2x^o=180^o [Sum~of~angles~of~straight~line~is~180^o]\\or, 3x^o=180^o\\or, x = 60^o[/tex]

Step-by-step explanation:

x + 70° = 130° {exterior angle of a triangle is equal to the sum of two opposite interior angles}

x = 130° - 70°

x = 60°

Now for 2x = 2 * 60° = 120°

Heather wants to purchase an electronic guitar. The price of the guitar with tax is $2,420. If she can save $90 per month, how long will it take her to save up for the guitar?

Answers

Answer:

About 27 months with additional days

Step-by-step explanation: 2420/90 is 26.888888888888888888888888888889

7(2x+5) = 11x-9-x

How would you verify or check your answer when x=-11 pls HELP]

Answers

14x+35=10x-9
14x-10x=-9-35
4x=-44
4x/4=-44/4. (-/+=-)
x=-11

9514 1404 393

Answer:

  put the value into the equation and do the arithmetic

Step-by-step explanation:

As with any checking, you put the value where the variable is and do the arithmetic.

  7(2x +5) = 11x -9 -x

For x = -11

  7(2(-11) +5) = 11(-11) -9 -(-11)

  7(-22 +5) = -121 -9 +11

  7(-17) = -119

  -119 = -119

The value x = -11 makes the equation true.

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