∠A and ∠B are vertical angles. If m∠A=(3x-30)° and m∠B=(2x-9)°,then find the value of x.

Answers

Answer 1

Answer:

x = 21°

Step-by-step explanation:

Vertical angles have the same measures, therefore:

3x - 30 = 2x - 9

x - 30 = -9

x = 21°


Related Questions

Which shows the correct simplification of product of powers

Answers

Answer:

The Answer is C. (The Third Option)

Step-by-step explanation:

Product of powers can't be used on the others.

Answer: C

Step-by-step explanation:

Find the value of c: 4(c-6)/c-7 = 9/2

Answers

Answer:

c=15

8c-48+48=9c-63+48

8c=9c-15

8c-9c=9c-15-9c

\frac{-c}{-1}=\frac{-15}{-1}

c=15

The larger of two numbers is two more than five times the smaller number. If the sum of the two numbers is 80, find both numbers.​

Answers

the answer Is 13 and 67

Which is greater than 4.026?

Answers

Answer:

4.020

4.030

4.021

4.006

Step-by-step explanation:

Is v62 a rational or irrational

Answers

Answer:

rational

Step-by-step explanation:

Which number is greatest?
ооо
6.23 х 1012
6.23x 108
Б.23 х 10-
o 6.23x 103

Answers

Answer:

Option A: 6.23 x 1012

Step-by-step explanation:

Please check provided image.

Answer:

A

Step-by-step explanation:

M=(2,3) is the midpoint of AB where A is at (2,7). Determine the coordinates of B.

Answers

Answer:

ab

Step-by-step explanation:

B (2, -1), these are the coordinates of B
Hope this helps

10x — бу = — 48
slope intercept form

Answers

I Believe The Answer Is:y=5/3 x+8
I Hope This Helps.

Is part A correct? Im not entirely sure about it and also what is part B???

Answers

Answer:

A) [tex]\frac{n^2}{2} + \frac{n}{2}[/tex]

B) 78

Step-by-step explanation:

B) To find the sum of first 'n' whole numbers , formula used is :-

[tex]\frac{1}{2} ( n^2 + n)[/tex]

We have to find the sum of first 12 whole numbers . So here n = 12

Putting the value of 'n' in above formula ,

[tex]\frac{1}{2} ( 12^2 + 12) \\\\=> \frac{1}{2} ( 144 + 12)\\\\=> \frac{156}{2} = 78[/tex]

Answer:

see explanation

Step-by-step explanation:

A

Given

[tex]S_{n}[/tex] = [tex]\frac{1}{2}[/tex](n² + n) ← multiply each term in the parenthesis by [tex]\frac{1}{2}[/tex]

    = [tex]\frac{1}{2}[/tex] n² + [tex]\frac{1}{2}[/tex] n

B

To find the sum of the first 12 whole numbers, substitute n = 12 into the formula, that is

[tex]S_{12}[/tex] = [tex]\frac{1}{2}[/tex] (12² + 12) = [tex]\frac{1}{2}[/tex] (144 + 12) = [tex]\frac{1}{2}[/tex] × 156 = 78

in an figure lines BC||PQ , if angle ABP=150*,Find the angle DCQ​

Answers

Answer:

i cant understand bief it plz

Step-by-step explanation:

Order each set of cards from least to greatest.


a. .,⎯⎯⎯⎯√,0.25 , comma , square root

Answers

Question:

Order each set of cards from least to greatest.

a. 0.25, √(1/9), (6/25)

b. √(121/25), 2.25, √5

Answer:

a. [tex]\frac{6}{25}[/tex]; [tex]0.25[/tex] and [tex]\sqrt{\frac{1}{9}}[/tex]

b. 2.2; 2.2361; 2.25

Step-by-step explanation:

Solving a. 0.25, √(1/9), (6/25)

Rewrite each number in decimals:

[tex]0.25[/tex]

[tex]\sqrt{\frac{1}{9}} = \frac{\sqrt{1}}{\sqrt{9}} = \frac{1}{3} =0.333[/tex]

[tex]\frac{6}{25} = 0.24[/tex]

At this stage, the numbers can then be ordered as follows;

0.24; 0.25; 0.333

[tex]\frac{6}{25}[/tex]; [tex]0.25[/tex] and [tex]\sqrt{\frac{1}{9}}[/tex]

Solving b. √(121/25), 2.25, √5

Rewrite each number in decimals:

[tex]\sqrt{\frac{121}{25}} = \frac{\sqrt{121}}{25}} = \frac{11}{5} = 2.2[/tex]

[tex]2.25[/tex]

[tex]\sqrt{5} = 2.2361..[/tex]

At this stage, the numbers can then be ordered as follows;

2.2; 2.2361; 2.25 which gives

[tex]2.2[/tex]; [tex]\sqrt{5}[/tex] and [tex]2.25[/tex]

what is the answer 2 this?​

Answers

Answer:

you have to put it on the graph

Answer:

I think its D

Step-by-step explanation:

Hope this helps :)

what is the slope line that passes through the he points (-4,-4) and (-4,-9)

Answers

Answer:

minus

Step-by-step explanation:

Three fifths of a number increased by ten

Answers

Answer:

It is 27:)

Step-by-step explanation:

Answer:

To find 4/5 of a number, multiply the number by 4, then divide the result by 5. You can also do the division first if you like.

-1

0

1

Step-by-step explanation:

A point lies on AB¯¯¯¯¯ and is 2/5 the distance from A to B. Point A is located at (2, 6) and point B is located at (18, 12). What are the coordinates of this point?

Answers

We know, point on a line segment which cut a line into the ratio m : n is given by :

[tex][(\dfrac{mx_1+nx_2}{m+n}),(\dfrac{my_1+ny_2}{m+n}) ][/tex]

Putting value of point A and B and m =2 and n = 5 .

We get :

[tex][(\dfrac{2(2)+5(18)}{2+5}),(\dfrac{2(6)+5(12)}{2+5}) ]\\\\(\dfrac{94}{7},\dfrac{72}{7})[/tex]

Hence, this is the required solution.

2(3-8y)= Apply the distributive property to create an equivalent expression.

Answers

Answer:

[tex]6-16y[/tex]

Step-by-step explanation:

[tex]2(3-8y)\\\\\boxed{6-16y}\\\\\\\left \{ {{2*3=6} \atop {2*-8y=-16y}} \right.[/tex]

Hope this helps.

Answer:

6 - 16y

Step-by-step explanation:

Distributive property:

a(b+cx) = a*b + a*cx

then:

2(3-8y) = 2*3 + 2*-8y

= 6 - 16y

Simplify the expression: 3√32/8

Answers

Answer:

48 im so sorry if its wrong ps i hope this helps

Step-by-step explanation:

Answer: the answer is 6 hope this helps

Step-by-step explanation:

Identify the property that is illustrated.
23 + (2 +7) = (23 +2) + 7

Answers

Answer:

That property would be associative

Step-by-.step explanation:

Because no matter how you change the parentheses in that problem, it would be the same.

Associative property is the answer because they moved the parentheses

Given f(x) = 6(1 - x), what is the value of f(-8)?

Answers

Answer:

f(-8) = - 42

Step-by-step explanation:

f(x) = 6(1 - x)

To find f(-8) substitute the value of x that's - 8 into f(x) that is for every x in f (x) replace it with - 8

We have

f(-8) = 6( 1 - 8)

= 6(-7)

We have the final answer as

f(-8) = - 42

Hope this helps you

Answer:f(-8) = - 42

Step-by-step explanation:

I’ll give brainliest award please help

Answers

Answer:

its 95

Step-by-step explanation:

Answer:

see explanation

Step-by-step explanation:

Given the interval (9, 900 )

The parenthesis on either side of the interval indicates that x cannot equal 9 or 900, thus

9 < x < 900 , or

{ x | 9 < x < 900 , x ∈ R }

The local bakery made a profit of $210 for each day for 5 days. what is the total profit for 5 days?

Answers

Answer:

The bakery has a total profit of $1050 for 5 days.

Step-by-step explanation:

Multiply the profit of 210 by the 5 days and you get $1050.

Answer:

1050

Step-by-step explanation:

210 x 5

10. -(x - 10) =7
Please help

Answers

Answer:

10+the actual quantity of x=7 would be one of the 4 awnser choices you have made

Answer: x = 3

Step-by-step explanation: Move all terms not containing

x

x

to the right side of the equation.

¿Cuál es la importancia de la estadística en la toma de decisiones?​

Answers

Answer:

Statistics allow us - to analyze data and help us to summarize and interpret the data - to make predictions - to explain the reasons of an outcome or scenario - to plan experiments so that the results would be valid and reliable.

--------------------------------------

Las estadísticas nos permiten - analizar datos y ayudarnos a resumir e interpretar los datos - hacer predicciones - explicar las razones de un resultado o escenario - planificar experimentos para que los resultados sean válidos y confiables.

Step-by-step explanation:

Hope dis helps!

- Anna

--------------------------

¡Espero que ayude!

- Anna

Consider the population of florida , the area of colorado, and the flight time from philadelphia to san francisco, which of these has a value that varies.

Answers

Answer:

the population of Florida

Step-by-step explanation:

A value that varies means a value that shall change over a period of time.

Accordingly when we talk about population the population shall increase or decrease with time, as this the natural thing that new babies are born and at the same time people also die.

Even in Florida there will be new babies who are born and also there shall be people who might be dying. Accordingly the population count keeps on changing.

The flight time depends upon the aerial distance and the speed which generally remains same.

Accordingly if a flight takes  hours to travel the distance it will be same.

The area of a particular place shall not change as earth will not create new land, or the area will remain same by any how only exception to this is acquisition of land of neighbouring places, by war or political influence, but not in a  natural manner.

Thus, population of Florida is variable.

please help its geometry

Answers

Answer:

The answer is:

62534

These are the ways that are used in geometry to explain which line I mean.

Plz help ASAP I need to get this done

Answers

In step 3, when she borrowed from the 16, she should have gotten 15 11/8

There are 60 students in the school play. 20% of the students are boys. How many boys are in the play?

Answers

Answer:

There are 12 boys in the play.

Step-by-step explanation:

The way you find this answer is by multiplying 60 and .2 which is the decimal version of 20%.

HELP PLs ASAP WIll make brianist

Answers

Answer:

D

Step-by-step explanation:

The slopes of the lines are negative reciprocals, so they are perpendicular.

See the image for complete work.

Please award Brainliest :)


A scuba diver dives to a depth of 50 feet below sea level. To get a closer look at a hammer head shark, he ascends (goes up) 30 feet. He then descends (goes down) 80
feet to take a picture of a coral reef. At what depth was the diver when he took the picture? Show your reasoning,

Answers

Answer:

-70

Step-by-step explanation:

In which expression should the following exponents be multiplied?

2^9/2^7

Answers

The answer should be the second choice, “B”


A would be subtracting the exponents, while C & D are adding exponents
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