I need help with this question:

Answer:

the value of x=10°

Step-by-step explanation:

hey there!

as there is given angles of the triangle i.e. 5x,9x,4x

now adding all of them,

5x +4x+9x=180 (reason: sum of angle of a triangle is 180°)

18x=180

x=180/18

x=10

therefore the value of x is 10

now the value of each angle is;

5x= 5*10=50

4x=4*10=40

9x=9*10=90

hope it helps! thank u!!!

Answer: 2,520 - 140x

Step-by-step explanation:

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After x minutes, the balloon will be descended to :

Answer:

yes I think 6 is a solution to the equation

Can't see the equation sorry... Don't think you can change your question you typed either

Answer:

Slope = 2 and y-intercept = 8

Step-by-step explanation:

Use slope formula

m=y2-y1/x2-x1

m=16-12/4-2

m=4/2

Simplify

m=2

To find the y-intercept use point slope formula

y-y1=m(x-x1)

y-12=2(x-2)

y-12=2x-4

Add 12 to both sides

y=2x+8

So, 8 is the y-intercept or (0,8)

Answer:

The best answer I could guess is C

Step-by-step explanation:

11/9 is the smallest number, sqrt of 5 is 2.2, sqrt of 11 is 3.3, sqrt of 20 is 2*sqrt 5, than 2^3 is the greatest number.

Answer:

C

Step-by-step explanation:

3x + y + x - 6 + y

3x + x + y + y - 6

4x + 2y - 6

Answer:

c

Step-by-step explanation:

expression c is

3x + y + x - 6 + y ← collect like terms

= 3x + x + y + y - 6

= 4x + 2y - 6

Answer and Step-by-step explanation:

We have to solve for d.

First, we can divide each value by 5 (due to each value being divisible by 5).

d + 10 = 80

Subtract 10 from both sides of the equation.

d = 70     <-- This is your answer.

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I hope this helps!

Answer:

[tex]\boxed{\sf d=70}[/tex]

Step-by-step explanation:

[tex]\sf 5d+50=400[/tex]

[tex]\boxed{\sf {Subtract\:}50\sf {\:from\:both\:sides}}[/tex]

[tex]\boxed{\sf \sf {Divide\:both\:sides\:by\:}5}[/tex]

____________________________

Answer:

34

Step-by-step explanation:

The sequence is -7 then +5

Answer:

3/25

Step-by-step explanation:

12/100

= 6/50

= 3/25

Feel free to mark this as brainliest! :D

Answer:

13

Step-by-step explanation:

2v = 26

v = 13

Answer:

Reciprocal of 16 is 1/16 because 16/1 and his reciprocal is 16/1.Step-by-step explanation:

Hope this helps!

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The Correct choice is :

C.) x > 0

Answer:

m = 55

Step-by-step explanation:

Choose 2 ordered pairs on the number line; i chose (0,125) and (2,235)

The formula for slope (m) is m = y2 - y1 / x2 - x1

In this problem, it would be:

m = 235 - 125 / 2 - 0

m = 110/2

m = 55

hope this helps <3

Answer:

[tex] {5}^{3} = 5 \times 5 \times 5 = 125[/tex]

I hope I helped you^_^

Answer:

Step-by-step explanation:

Given equation:

Find the discriminant:

The roots are:

So

So

x=3/2 or 1/2

Answe840 is the answers for the question

Step-by-step explanation:

please mark me as brainlest

Answer:

840 is the correct answer

Answer:

76.5 cm²

Step-by-step explanation:

Given the triangles are similar , then

ratio of sides = a : b , so

ratio of areas = a² : b²

Here ratio of sides = 9 : 13.5 = 2 : 3

ratio of areas = 2² : 3² = 4 : 9

let x be the area of Δ DEF and using proportion

[tex]\frac{4}{34}[/tex] = [tex]\frac{9}{x}[/tex] ( cross- multiply )

4x = 306 ( divide both sides by 4 )

x = 76.5

The area of Δ DEF = 76.5 cm²

Answer: -2.25 = x

Step-by-step explanation:

The model represents the equation:

-1(6) = 4x + 1(3)

-6 = 4x + 3

SUBTRACT 3 FROM BOTH SIDES

-9 = 4x

DIVIDE BOTH SIDES BY 4

-2.25 = x

Im sorry for taking your points i did not know you where new to the platform

i forgive you

Step-by-step explanation:

(2*PI*r_A*h_A) /(2*PI*r_*h_B)=440/3960

r_B=n*r_A,h_B=n*r_A

then n=3

r_A=10

then r_B=30

Aryabhata, also called Aryabhata I or Aryabhata the Elder, (born 476, possibly Ashmaka or Kusumapura, India), astronomer and the earliest Indian mathematician whose work and history are available to modern scholars. He is also known as Aryabhata I or Aryabhata the Elder to distinguish him from a 10th-century Indian mathematician of the same name. He flourished in Kusumapura—near Patalipurta (Patna), then the capital of the Gupta dynasty—where he composed at least two works, Aryabhatiya (c. 499) and the now lost Aryabhatasiddhanta.

Aryabhatasiddhanta circulated mainly in the northwest of India and, through the Sāsānian dynasty (224–651) of Iran, had a profound influence on the development of Islamic astronomy. Its contents are preserved to some extent in the works of Varahamihira (flourished c. 550), Bhaskara I (flourished c. 629), Brahmagupta (598–c. 665), and others. It is one of the earliest astronomical works to assign the start of each day to midnight.

Aryabhatiya was particularly popular in South India, where numerous mathematicians over the ensuing millennium wrote commentaries. The work was written in verse couplets and deals with mathematics and astronomy. Following an introduction that contains astronomical tables and Aryabhata’s system of phonemic number notation in which numbers are represented by a consonant-vowel monosyllable, the work is divided into three sections: Ganita (“Mathematics”), Kala-kriya (“Time Calculations”), and Gola (“Sphere”).

Integers are numbers without decimals

The integers could you have multiplied are 9 and 2

Let the numbers be x and y

So, we have:

[tex]\mathbf{x \times y}[/tex]

Increase x by 1 and reduce y by 1.

So, we have

[tex]\mathbf{(x +1) \times (y -1) = 6 + xy }[/tex]

Open brackets

[tex]\mathbf{xy -x + y - 1 = 6 + xy}[/tex]

Subtract xy from both sides

[tex]\mathbf{ -x + y - 1 = 6}[/tex]

Collect like terms

[tex]\mathbf{ -x + y = 6 + 1}[/tex]

[tex]\mathbf{ -x + y = 7}[/tex]

Rewrite as:

[tex]\mathbf{ y -x= 7}[/tex]

The above means that, the difference between the integers is 7.

There are several integers that fit the above description;

One possibility is: 9 and 2

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Answer:

?=12

Step-by-step explanation:

8÷2=4

4•3=12

i think 26 or 15/30 (note) sorry if you got it wrong

Answer:

90 cm

Step-by-step explanation:

We know that half of QS is x+25 and half of diagonal PR is 2x+5.

We can tell that x+25 = 2x+5 because both of these are sides of an isosceles triangle ORS. Since we know that, we can find out the diagonal QS by finding x.

2x+5 = x+25 => x = 20

Half of diagonal QS = 20 +25

= 45

Then we can double the half of diagonal QS to find out the diagonal QS.

45 x 2 = 90

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Please give me brainliest :D