A, B & C lie on a straight line.
BD = CD.
∠BDC = 40° and
∠ADB = 45°.
Work out x

A, B & C Lie On A Straight Line.BD = CD.BDC = 40 And ADB = 45. Work Out X

Answers

Answer 1

Answer:

25

Step-by-step explanation:

Since triangle DBC is isosceles, angles DBC and DCB must be congruent. Angle BDC is 40 so the sum of the measures of the aforementioned angles must be 180 - 40 = 140; divide that by two and you get that the measure of angle DBC is 70. Angles DBC and ABD are supplementary, as they lie on a straight line, so we can deduce the measure of angle DBA is 180 - 70 = 110. The measure of angle DAB is 180 minus the measures of angle DBA and ADB, we figured out angle DBA is 110 degrees and the problem tells us angle ADB is 45 degrees, so we can subtract to get the measure of angle DAB to be 180 - (110 + 45) = 25.

Answer 2

Answer:

25

Step-by-step explanation:

i dont know how to explain i just know thats the answer hahaha


Related Questions

Need help to proportion this question help please

Answers

Step-by-step explanation:

1. So first you have to cross multiple the two terms

2.Solve the algebraic equation

By dividing with 12 on both sides

(Note :That's a 32 in the picture sometimes i really write bad)

please solve it fast​

Answers

This are function used to determine the term of a sequence. The second and the third term of the sequence is 6 and 18

Recursive functions

This are function used to determine the term of a sequence. Given the following functions

an+1 = 3an

Given that a1 = 2

a2 = 3a1

a2 = 3(2)

a2 = 6

For the third term a3

a3 =3a2

a3 = 3(6)

a3 = 18

Hence the second and the third term of the sequence is 6 and 18

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In one country, approximately 144,000 of 900,00 residences are rentals. Determine the percentage of residences in the country that are rentals

Answers

The 62.5% of residences in the country that are rentals if the total number of residence in the country is 144,000.

What is the percentage?

It is defined as the ratio of two numbers expressed in the fraction of 100 parts. It is the measure to compare two data, the % sign is used to express the percentage.

We are assuming:

Total number of residence in the country = 144,000

In which 900,00 residences are rentals.

Percentage of residences in the country that are rentals:

= (90000/144000)×100

= 0.625×100

= 62.5%

Thus, the 62.5% of residences in the country that are rentals if the total number of residence in the country is 144,000.

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A. Name the smallest angle and the largest angle of the following triangles: F 6 S 5 1. A J 5.03 7 5 G B H 5.1 2. D 4 3 E​

Answers

Answer:

  (smallest, largest) = (B, C), (D, E), (G, J)

Step-by-step explanation:

Side lengths of a triangle are proportional to the sine of the opposite angle. In a triangle, a larger angle will always have a larger sine. That means the smallest angle is opposite the shortest side, and the largest angle is opposite the longest side.

__

ΔABC

The shortest side is 5 units, opposite angle B. The longest side is 7 units, opposite angle C.

smallest angle: Blargest angle: CΔDEF

The shortest side is 3 units, opposite angle D. The longest side is 5 units, opposite angle E.

smallest angle: Dlargest angle: EΔGHJ

The shortest side is 5 units, opposite angle G. The longest side is 5.1 units, opposite angle J.

smallest angle: Glargest angle: J

_____

Additional comment

Angles in a triangle may exceed 90°. The sine function actually is decreasing for angles above 90°. However, since the total of angles of a triangle must be exactly 180°, there cannot be two angles in a triangle such that the smaller angle has the larger sine.

find the measure of the indicated angle
?
82°
58⁰
__ degrees

Answers

40 degrees
Because it’s supposed to equal 180 degrees
So 82+58=140+40=180

6. Multiply: (x – 4)(x + 5)

(a) x2 + 5x - 20,

(b) x2 - 4x - 20,

(c) x2 - x - 20,

(d) x2 + x - 20.

Answers

Option d is correct

Check out attachement !!!

Which of the following is the correct graph of the solution to the inequality -13> -5x + 2 > -28?

Answers

Answer:

3 < x < 6

Step-by-step explanation:

1) Subtract 2 from the whole equation.

- 13 - 2 > -5x > -28 - 2

2) Simplify.

-15 > -5x > -30

3) Divide the whole equation by -5.

-15/-5 < x < -30/-5

4) Simplify.

3 < x < 6

Solve the inequality.
-2c-7-9
Enter the correct answer

Answers

Answer:

-2c-16

Step-by-step explanation:

do 7-9 because it's the only thing you can solve.
--> -2c-16

c = 8

like terms first : -7-9 = -16
-2c-16
then you divide : -2/2 and -16/-2
c = 8

what is the mean median and mode of 3,721,23,63,27,29,95 and 23?

Answers

Answer:

Mean: 123

Median: 28

Mode: 23

Step-by-step explanation:

give brainliest

Answer:

Mean = 123, Median = 28 , Mode = 23

Step-by-step explanation:

Mean is the average of all the numbers.

Mean = [tex]\frac{3+721+23+63+27+29+95+23}{8} \\= \frac{984}{8} \\= 123[/tex]

Median is the middle most value of the numbers when arranged in ascending order. (Average of the 2 middlemost numbers if there are even number of values.)

Arranged Values: 3,23,23,27,29,63,95,721

Median = [tex]\frac{27+29}{2} \\= \frac{56}{2} \\= 28[/tex]

Mode is the value that occurs the most in the numbers.

Mode =  23

Daniel has $600 in a checking account, has $12,000 in a savings account, owns a $12,000 car, and owns a $35,000 house. what is the total value of his large assets?

Answers

The total value of Daniel's large assets is $59,600

Calculating Total assets

From the question, we are to determine the total value of Daniel's assets

From the given information,

Daniel has $600 in a checking account and he has $12,000 in a savings account.

He also owns a $12,000 car and a $35,000 house

Then,

The total value of his assets = $600 + $12,000 + $12,000 + $35,000

The total value of his assets = $59,600

Hence, the total value of Daniel's large assets is $59,600

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Answer: 47,000

Step-by-step explanation:

large assets: House+car

12,000+35,000=47,000

please help what is…. 5-2?
that’s all the information ive been given and i don’t know how to solve it someone help please i beg

Answers

Answer:

3

Step-by-step explanation:

The angle marked a=92 degrees.
work out the angle marked x.

Answers

Answer:

x is 92 degrees

The lines x and a are parallel and congruent, meaning they are evenly proportioned and have the same length.

Why is it that when you convert 3/4 into a decimal it’s 0.75??

Answers

Answer:because it’s like a quarter

Step-by-step explanation:

A quarter is 25c, 25•3=75

think of it like quarters 1 quarter is 25 cent it takes 4 quarters to make a dollar = 1 whole so basically

1 - 0.25

2 - 0.50

3 - 0.75

4 - 1.00


hope this helps !!!!!

From a hot-air balloon, Brody measures a 39° angle of depression to a landmark
that's 532 feet away, measuring horizontally. What's the balloon's vertical distance
above the ground? Round your answer to the nearest hundredth of a foot if necessary.

Answers

The balloon's vertical distance above the ground is 430 feet.

What is the angle of depression?

You look straight parallel to the ground. But when you have to watch something down, then you take your sight down by moving your head up.

The angle from horizontal to the point where you stopped your head is called the angle of depression.

From a hot-air balloon, Brody measures a 39° angle of depression to a landmark that's 532 feet away, measuring horizontally.

The angle of depression = 39°

The base = 532

We need to find the vertical distance consider perpendicular.

[tex]\rm Tan \theta = \dfrac{perpendicular}{base } \\\\\rm Tan 39 = \dfrac{perpendicular}{532} \\\\\rm Tan 39 \times 532 =perpendicular\\\\0.80 \times 532\\\\P = 430.80[/tex]

Therefore, the balloon's vertical distance above the ground is 430.80 feet.

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Answer:

430.81

Step-by-step explanation:

hard way

URGENT I don't know which one it is

Answers

I believe is c but I don’t know. I hope it is. If not sorry. Can I please have brainly!?

A circular grass lawn has an area of 314 square metres.
12.
Find the circumference of the lawn.

Answers

Answer:

[tex]C= 62.8m[/tex]

Step-by-step explanation:

Let's round [tex]\pi = 3.14[/tex]. Area of a circle if [tex]\pi r^2[/tex]. In our case, we can easily find out the radius[tex]\pi r^2 = 100\pi \rightarrow r=10m^[/tex]. At this point, it's easy to find the length of the circumference by doubling it and multiplying again by [tex]\pi[/tex]:

[tex]C= 2\pi r = 62.8 m[/tex]

Select the correct answer.
To solve this system of equations using substitution, what could be substituted in place of y in the first equation?
4x=5-2y
y-2x=7

Answers

Answer: y=2x+7

(this is a rearranged version of y-2x=7 from question)

Step-by-step explanation:

4x=5-2y

y-2x=7

i would rearrange the 2nd value into y intercept form y=mx+b

so move the -2x to the other side of the = sign by doing the opposite, +2x on both sides to isolate the y

y=2x+7

you didn't give any options for "correct answer" so i can't give

you A B C or D answers

What is the probability of drawing four queens from a standard deck of cards, given that the first card drawn was a queen? Assume that the cards are not replaced.

3/20825
4/52
1/20825
3/52

Answers

The probability of drawing three queens from a standard deck of cards is 0.000162.

What is the probability?

Probability refers to a possibility that deals with the occurrence of random events.

The probability of all the events occurring need to be 1.

P(E) = Number of favorable outcomes / total number of outcomes

Total cards = 54

No. queens in a deck = 4

Probability of drawing a queen card = 4/54

Now that 1 queen has been taken, the no. of cards becomes = 53

and

no. of queens = 3

Probability of getting a queen again = (3/53)(4/54)

Two queens have already been removed.

No. of cards in the deck = 52

No. of queens in the deck = 2

Probability of drawing three queens

= (2/52)(3/53)(4/54)

= 0.000162 approximately

The probability of drawing three queens from a standard deck of cards is 0.000162.

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The formula for final velocity given acceleration and time is Vf=Vi+a•t

Rewrite the formula for solve Vi

Answers

Answer:

It is the third option

Step-by-step explanation:

Trust me

Given limit of f (x) = negative 4 as x approaches c and limit of g (x) = one-fifth as x approaches c. what is limit of left-bracket startfraction g (x) over f (x) endfraction right-bracket as x approaches c? negative startfraction 20 over 1 endfraction negative five-fourths negative four-fifths negative startfraction 1 over 20 endfraction

Answers

Since the limit of f(x) is non-zero, the limit distributes over the quotient and

[tex]\displaystyle \lim_{x\to c} \frac{g(x)}{f(x)} = \frac{\displaystyle \lim_{x\to c}g(x)}{\displaystyle \lim_{x\to c}f(x)} = \frac{\dfrac15}{-4} = \boxed{-\frac1{20}}[/tex]

I don’t know how to do this question and my math teacher is not helpful

Answers

Answer:

i think its 4.7

Step-by-step explanation:

Answer:

AC is an enlargement of AE

scale factor = 11.7 ÷ 5.2 = 2.25

CD is an enlargement of AB

10.5 ÷ 2.25 = 4.666666...

= 4.7 (rounded to nearest tenth)

Plot the points (0,6),(3,15.8) and (9.5,0) using the graphing tool, and find the function

Answers

Answer:

f(x)=11.1035−0.920848x

Step-by-step explanation:

Tom bought a computer for 15% off from the list price of p dollars. if the sales tax was 8%, how much did he pay for the computer including sales tax?

Answers

The amount paid for the computer including sales tax is 0.918p

How to determine the amount paid?

The price paid is given as:

Price = p

A 15% off means that he pays 85%.

So, we have:

Amount = 85% * p = 0.85p

A sales tax of 8% means:

Total = 0.85p * (1 + 8%)

Evaluate the product

Total = 0.918p

Hence, the amount paid is 0.918p

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A box contains 60 raffle tickets. The tickets are numbered 1 to 60 inclusive. What is P(multiple of 12) when a ticket is drawn from the box?​

Answers

Answer:

[tex]the \: probability \: is \: \frac{5}{60} \\ when \: simplified \: becomes \: \frac{1}{12} [/tex]

Step-by-step explanation:

The solution is in the image

identify the domain of the functions shown in the graph

Answers

Answer:

D. 2<=x<=6

Step-by-step explanation:

domain: all possible x-values

Write a linear equation in point-slope form for the line that goes through (-1,3) and (1, -9).
A. y- 3 = -6(x+1)
B. y+1=-6(x-3)
C. y-3= 6(x+1)
D. y + 1 = 2(x-3)

Answers

The correct answer for this one is C

The correct answer is A. y - 3 = -6(x + 1) of the  linear equation in point-slope form for the line that goes through (-1,3) and (1, -9).

To write the linear equation in point-slope form, we need to use the formula:

[tex]y - y_1 = m(x - x_1),[/tex]

where [tex](x_1, y_1)[/tex] represents one of the given points, and m represents the slope of the line.

Step 1: Find the slope (m):

[tex]m = \frac {(y_2 - y_1) }{(x_2 - x_1)}\\= \frac {(-9 - 3)} { (1 - (-1))}\=\frac {-12 } {2}= -6.[/tex]

Step 2: Choose one of the given points (-1, 3), and substitute its coordinates into the point-slope form:

[tex]y - 3 = -6(x - (-1)).[/tex]

Step 3: Simplify and rearrange the equation:

[tex]y - 3 = -6(x + 1)\\y - 3 = -6x - 6.[/tex]

Therefore, the correct equation is A. y - 3 = -6(x + 1).

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score distribution of the test result of 33 students in a science class containing 50 items

Answers

More specific? Are you looking for the score test results? If so, simply do 33/50
=66%

find the area of the circle if radius is 6 and there is only 3/4 of the circled

Answers

Answer:

84.8

Step-by-step explanation:

Begin by finding the total area of the circle. You have been given the radius.

A = πr²

A = π(6)²

A = 36π

A = 113

If there is only 3/4 of the circle, then multiply the entire area by 3/4 to find the final answer.

113 x 3/4 = 84.8

Sheryl has a basket of ripe apples and peaches. The number of apples in the basket is 12 more than twice the number of peaches. If there are
36 apples in the basket, how many peaches are in the basket?

Answers

Answer: 432

Step-by-step explanation:

  12

x 36

--------

    72

+ 36

-------

432

Help!! I don’t understand how to answer this

Answers

Answer:

The answer is option A

Step-by-step explanation:

The solution is in the image

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