angle DAC= angle BAD
what is the length of side bd round to one decimal place

Angle DAC= Angle BADwhat Is The Length Of Side Bd Round To One Decimal Place

Answers

Answer 1

Answer:

BD ≈ 2.8 units

Step-by-step explanation:

By angle bisector theorem,

"If a segment bisects an angle of a triangle, then it divides the opposite side  into the segments which are proportional to the other two sides"

Here, AD is the bisector of the ∠BAC,

[tex]\frac{BD}{CD}=\frac{AB}{AC}[/tex]

[tex]\frac{8.1}{5.9}= \frac{BD}{2}[/tex]

BD = [tex]\frac{2\times 8.1}{5.9}[/tex]

BD = 2.75

BD ≈ 2.8 units


Related Questions

Write an equation for a translation of the parent function y = |x| to translate it 7 units left.

A. y = |x| + 7
B. y = |x + 7|
C. y = |x − 7|
D. y = |x| − 7

Answers

9514 1404 393

Answer:

  B.  y = |x +7|

Step-by-step explanation:

The translations represented by the answer choices are ...

  A. up 7 units

  B. left 7 units . . . . the choice we want

  C. right 7 units

  D. down 7 units

___

In general, the effects of adding things to x and y are summarized by ...

  y = f(x -a) +b . . . . . . . . translation right 'a' units, up 'b' units

Translations left or down are accomplished by using negative values for 'a' and/or 'b.

__

We want translation 7 units left, so a=-7 and b=0

  y = |x|   ⇒   y = |x -(-7))|  or  y = |x+7|

Perfect square trinomial:
(a – b)2 = (a – b)(a – b) = a2 – 2ab + b2
Find the product of (k – 9)2 using the perfect square trinomial rule shown on the left.



The product (k – 9)2 can also be written as
.

The product is k2 –
k +
.

Answers

Answer:

See work below.

Step-by-step explanation:

[tex](k-9)^2=(k-9)(k-9)\\=k^2-2(k)(9)+9^2\\=k^2-18k+81[/tex]

Find the circumference of the object 6 Cm

Answers

Answer:

37.7 cm

Step-by-step explanation:

C = 2πr

2 · π · 6

≈ 37.7

What is the volume of the rectangular prism?

Answers

Answer:

54 in³

Step-by-step explanation:

9×3×2 = 54 in³

_______

Round 591.48 to the nearest tenth.???? need help dunno

Answers

Answer:

591.5

Step-by-step explanation:

You're rounding so yeah this was simple

Answer:

591.5 because the tenth place is after the . and the number after it is what you use to round it if it larger then 5 the number in the tenth place goes up one and if it's under 5 it stays the same

{5,9,8,6,3,9,1,4,5,9,13}

Answers

Answer:

75

Step-by-step explanation:

75
hoped it helped !:)

Which of the following sets of data is bimodal?
A {2,3,4,4,5,6,7,7,8}
B {2,2,3,3,4,4,5,5,6,6}
C {2,3,4,4,4,5,6,7,8}
D {2,2,3,3,4,4,5,6,7,8}

Answers

Answer:

a. po

sana po maka tulong

The operation  is defined on the set R of real numbers by ab=ab+a.
Determine whether or not the operation  is associative.​

Please I need help.

Answers

Answer:

ab=ab+a

We need to check the following:

(ab)c=a(bc) or not

LHS

(ab)c=(ab+a)c

=(ab+a)c+(ab+a)

=abc+ac+ab+a

RHS

a(bc)=a(bc+b)

=a(bc+b)+a

=abc+ab+a

as LHS ≠ RHS, the operation is not associative

Step-by-step explanation:

How can you use a unit cube to find the volume of a prism? Explain.


(points)

Answers

Answer:

with times hight

Step-by-step explanation:

multiply with and hight together to get a full lay out of the prisms and if the are halves i usauly add them together to form one unite hope this help and that were on the same page

Answer:

To use a unit cube, you have to multiply the length and the width just like finding the area of a 2D shape. You will then take your "area" and multiply that by the height of the object.

Step-by-step explanation:

Example, if I have a rectangular prism that is 10 inches long, 4 inches wide, and 6 inches tall, I can multiply 10 and 4 to get 40. I will then take the 6 inches, and multiply it to 40. 40x6=240. The volume of my prism is 240.

I would also like to point out that you can multiply the factors in any order because of the commutative property

It’s algebra 2 I have no idea help?

Answers

Answer:

outs dnc fungi obi fh hk of dk foo ox dj fk

Help plz:)))I’ll mark u Brainliest

Answers

Answer:

[tex]sin^{-1}(\frac{51}{53})\\=74.21[/tex]

≈74

You are looking to save money to start a business. You currently have $500 saved up. We JustWantUrMoney Bank offers a savings account with 12%
interest, compounded annually. How much money would you have after 10 years? Round to the nearest cent, if necessary.

Answers

Answer:

You would have $1552.9 after 10 years.

Step-by-step explanation:

Compound interest:

The compound interest formula is given by:

[tex]A(t) = P(1 + \frac{r}{n})^{nt}[/tex]

Where A(t) is the amount of money after t years, P is the principal(the initial sum of money), r is the interest rate(as a decimal value), n is the number of times that interest is compounded per year and t is the time in years for which the money is invested or borrowed.

You currently have $500 saved up.

This means that [tex]P = 500[/tex]

12% interest, compounded annually.

This means that [tex]r = 0.12, n = 1[/tex].

How much money would you have after 10 years?

This is A(10). So

[tex]A(t) = P(1 + \frac{r}{n})^{nt}[/tex]

[tex]A(10) = 500(1 + \frac{0.12}{1})^{10}[/tex]

[tex]A(10) = 1552.9[/tex]

You would have $1552.9 after 10 years.

what is the value of a, if 5a-b-c=36 and b=c=1/2a

Answers

Answer:

a=36

Step-by-step explanation:

because look 0a=a

0a=36

a=36

The difference of a number and 10 is less than 4​

Answers

1 or 3? I don’t really know

find the circumference of a circle with a diameter of 13 feet

Answers

Answer:

Step-by-step explanation:

radius=diameter/2

13/2

6.5

circumference of a circle=2πr

=2*3.14*6.5

=40.82 feet

=

Answer:

40.84

Step-by-step explanation:

2x3.14x6.5=40.84

Use the definition of the derviative to compute the derivative of f(x)= 1- 7x^2 at the specific point x=2.

Answers

Answer:

[tex]f'(x) = -28 \ at \ x = 2[/tex]

Step-by-step explanation:

[tex]f'(2) = \lim_{h \to 0}\frac{f(2+h)) -f(2)}{h} \\\\f(2+h) = 1 - 7(2+h)^2 = 1 - 7(4 +h^2 +4h) = 1 - 28 - 7h^2 - 28h = - 7h^2 -28h - 27\\\\f(2) = 1 - 7(2^2) = 1 - 28 = -27\\\\f(2+h) - f(2) = -7h^2 - 28h - 27 - (-27) = -7h^2 -28h -27 + 27 = -7h^2 -28h\\\\f'(2) = \lim_{h \to 0}\frac{-7h^2 - 28h}{h} \\\\[/tex]

       [tex]= \lim_{h \to 0} \frac{h(-7h -28)}{h}\\\\= \lim_{h \to 0} (-7h -28)}\\\\= -7 (0) - 28\\\\= -28[/tex]

IM LOW ON TIME AND NEED YOUR HELP 30 PST

Answers

Answer:

12.56

Step-by-step explanation:

First of all, pi = 3.14

Diameter=4

Radius=2

3.14×[tex]2^{2}[/tex]

So,

3.14 × 4 =

12.56

Hope this helps!! (Hope I did this in time!!)

solve for ,"a" in 3(a+2)/4 +3/2=0​

Answers

Answer:

a=-4

Step-by-step explanation:

3(a+2)=-6

3a+6-6=-6-6

3a/3=-12/3

What is the angle of elevation to a building 1300m away that is 250m high?
•79.1°
•78.9°
•11.1°
•10.9°

Answers

Answer:

∅ = 10.9º

Step-by-step explanation:

tan = opp/adj = 250/1300

∅ = arctan250/1300

use calculator

∅ = 10.9º

The F-ratio is determined by dividing _________by ___________. Group of answer choices within-groups variance; between-groups variance between-groups variance; within-groups variance systematic variance due to treatment; error variance error variance; systematic variance due to treatment

Answers

Answer:

between-groups variance;

within-groups variance

Step-by-step explanation:

The F-ratio is determined by dividing between-groups variance by within-groups variance

Reason -

The F ratio is the ratio of two mean square values.

4. If the length and width of the figures below are doubled, how will it affect the volume of the figure?
7 in.
6 in.
9 in
The volume will be doubled.
0
The volume will be quadrupled.
The volume will be 8 times greater
The volume will be 14 times greater
CLEAR ALL

Answers

Answer:

8 times greater.

Step-by-step explanation:

Lengths are times 2 so:

Volume = 2^3 times greater

Answer:

8

Step-by-step explanation:

Determine the missing term/s in the given number sequence and equation
Write the letter of your answer on the blank provided.​

Answers

The question is incomplete. The complete question is :

I. Determine the missing term/s in the given number sequence and equation. Write the letter of your answer on the blank provided.

1.)91,  , ___, 61 A. 79, 67,  B. 78, 63,  C. 77, 66 ,  D. 76,69  2.) 38, 46,  

, 62, 78 A. 54, 72 B., 54, 70 C. 50, 72, D.50, 74 3.)34, 39, ___, 54, 59A. 49, 44B.45, 49C.44,49D. 40,55 4.) 15, 30, ___, 60,A. 45, 75 B.40, 70C. 15, 70D.15,60 5.) 829 x = 829A. 1 B.3 C.5 D. 7

Answer :

1. Choose A,   2. Choose B,    3. Choose C,   4. Choose A,  5. Choose A

Explanation :

1. 91, 85, __, 73, __, 61

  We see that each number has a difference of 6. Therefore, 91 minus 6 is 85. 85 minus 6 is 79, 79 minus 6 is 73, 73 minus 6 is 67, 67 minus 6 is 61.

Therefore, the missing numbers are :

91, 85, 79, 73, 67, 61

So, choose A.

2. 38, 46, __, 62, __, 78

We see that each number has a difference of 8. So, 38 plus 8 is 46, 46 plus 8 is 54, 54 plus 8 is 62, 62 plus 8 is 70, 70 plus 8 is 78.

Therefore, the missing numbers are :

38, 46, 54, 62, 70, 78

So, choose B

3. 34, 39, __, __, 54, 59

We see that each number has a difference of 5. So, 34 plus 5 is 39, 39 plus 5 is 44, 44 plus 5 is 49, 49 plus 5 is 54, 54 plus 5 is 59.

Therefore, the missing numbers are :

34, 39, 44, 49, 54, 59

So, choose C

4. 15, 30, __, 60, __.

We see that each number has a difference of 15. So, 15 plus 15 is 30, 30 plus 15 is 45, 45 plus 15 is 60, 60 plus 15 is 75.

Therefore, the missing numbers are :

15, 30, 45, 60, 75.

So, choose A.

5. 829 x __ = 829

  ∴ 829 x 1 = 829

So, choose A.

Find the value of x in the figure:

PLEASE SHOW WORK:)))

WILL MARK BRAINLIEST TO CORRECT ANSWER.

Answers

Answer:

x = 4

Step-by-step explanation:

ΔAED  ~ ΔACB

[∠DAE = ∠BAC ( common angle ), [tex]\frac{AE}{AC} = \frac{AD}{AB}[/tex] ( gives a ratio 1:2 ) ]

[tex]\frac{AE}{AC} = \frac{DE}{BC}[/tex]

Since AC = 2AE  [ AC = AE + EC, But AE = EC, ∴ AC = AE + AE ]

 [tex]\frac{AE}{2AE} = \frac{x + 1}{4x - 6}\\\\\frac{1}{2} = \frac{x + 1}{4x - 6}\\\\\\Cross - multiplying,\\\\4x - 6 = 2 *(x + 1)\\4x - 6 = 2x + 2\\4x - 2x = 2 + 6\\2x = 8\\x = 4[/tex]

this is going to be hard ok here i go what is 5678,00000 x 4321,0000000

Answers

Answer: 2.45346638e+19

Step-by-step explanation:

factorise 4a-6ab-18ac​

Answers

Answer:

Step-by-step explanation:

4a-6ab-18ac

=2a(2-3b-9c)

The required factorisation of the given equation is 4a-6ab-18ac​ = 2a(2 - 3b - 9c).

What is factorisation?

In mathematics,  factorisation or factoring consists of writing a number or another mathematical object as a product of several factors, usually smaller or simpler objects of the same kind.

The given equation is,

4a-6ab-18ac​

So factorising each term we have,

4a = 2*2*a

6ab = 2*3*a*b

18ac = 2*3*3*a*c

Thus the equation becomes,

4a-6ab-18ac​ = 2*2*a - 2*3*a*b - 2*3*3*a*c

taking 2*a common we get,

4a-6ab-18ac​ = 2a(2 - 3b - 3*3*c)

or, 4a-6ab-18ac​ = 2a(2 - 3b - 9c)

which is the the required factorisation of the equation.

Thus, the required factorisation of the given equation is 4a-6ab-18ac​ = 2a(2 - 3b - 9c).

To learn more about factorisation:

https://brainly.com/question/20293447

#SPJ2

Plzz help me well mark brainliest if correct,.......???!!!

Answers

Answer:

im pretty sure is 3 but it says 2 but just pick 3

Answer:

1

Step-by-step explanation:

Depending on what number has the most Xs above it, that will be the answer. The question is slanted so, it's hard to tell between 1 and 3, but, if I had to guess, then 1.

PLEASE ANSWER THIS
FOR POINTS

Answers

It's a kite or a rhombus.

An equation is shown below:

8x + 2(x – 7) = 7x + 3x – 14

Part A: Solve the equation and write the number of solutions. Show all the steps. (6 points)

Part B: Name one property you used to solve this equation. (4 points)

Answers

All real numbers are solutions

Use pemdas when solving these problems

Please help ;-;im stuck

Answers

Answer:

999

Step-by-step explanation:

223 →  200 + 20 + 3

374 →  300 +  70 + 4

402 → 400 +    0 + 2

          900 + 90 + 9

standard form = 999

Fill in the missing monomials: 100x^2= (____)^2
ITS NOT 100

Answers

Answer:

(10x)^2

Step-by-step explanation:

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