A two digit number is such that, the sum of its digit is 13.When the digits are interchange, the original number is increased by 9. Find the original number.

Answers

Answer 1

Answer:

Concept: Mathematical Representation

You have a two digit # __ The sum of the two digit # = 13The original # increased by 9 Hence we must find values that sum to 13. *Note they must be independently standing.8+5, 9+6, 7+6 , 6+7 , and etcThe value must also increase by 9 So logically it would be any result that when switched that value would be 76-67= 9.So the value must be 67

Related Questions

y varies inversely with x. If x = 5 and y= 1 what is x if y = 0.5
Type your answer..

Answers

X=2.5

Step-by-step explanation:

0.5=1/2

5/2 = 2.5

The vertices of the triangle in the diagram below are A(7,9), B(3,3), and C(11,3).

What are the coordinates of the centroid of triangle ABC?

Please Answer with work shown! I know that the answer is (7,5) But can some one show the work for it?
If you answer it and show the work for me then I will give you the brainiest question reward!
Please Help!

Answers

Answer:

(7 , 5)

Step-by-step explanation:

Add all the x-axis then divide by 3

7 + 3 + 11 = 21

21/3 = 7

Add all the y-axis then divide by 3

9 + 3 + 3 = 15

15/3 = 5

So answer will be (7,5)

The coordinates of the centroid of triangle ABC.

(x, y)

Where,

x = Sum all the x-coordinates of the vertices ÷ 3

y = Sum o

The coordinates of the centroid is (7, 5).

What is a triangle?

It is a two-dimensional figure which has three sides and the sum of the three angles is equal to 180 degrees.

We have,

The vertices of the triangle in the diagram below are:

A(7,9), B(3,3), and C(11,3).

Now,

The coordinates of the centroid of triangle ABC.

(x, y)

Where,

x = Sum all the x-coordinates of the vertices ÷ 3

y = Sum of the y-coordinates of the vertices ÷ 3

Now,

x = 7 + 3 + 11 / 3 = 21/3 = 7

y = 9 + 3 + 3 / 3 = 15/3 = 5

Now,

The coordinates of the centroid is (7, 5).

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What is the reciprocal of 5/16

Answers

Answer:

16/5

Step-by-step explanation:

Answer:

16/5

Step-by-step explanation:

When you move the numerator and denominator. (aka. flip)

How much of earth surface by land

Answers

Answer:

GOOD AFTERNOON

UR ANSWER IS ::

Step-by-step explanation:

510.1 milion km

196.9 million mi²
Mass: 5.972 × 10^24 kg
Distance from Sun: 92.96 million mi

Ahhff DF nfkemebebwjdbbdnsjwjxjdnddf

Answers

Answer:

0 is the surface of the sea

Step-by-step explanation:

Here, we want to know what zero represents

From the question, we are told that jumping 5 ft below the sea surface represents the depth

-5 ft is same as going 5 units below zero

So therefore, we can have zero representing the sea level

The zero in this case is the surface of the sea

Answer:

B. the surface of the sea

Step-by-step explanation:

have nice day

Find the values of a and b
please I will mark brainliest.
(make sure to show your work)

Answers

Answer:

The required values are a = 29°, b = 20°

Step-by-step explanation:

Angles and Lines

The image shows two lines crossing at a point where three angles are marked: 57°, 7b-17, and 2a-1.

It can be noted that 57° and 7b-17 are linear angles whose sum is 180°:

57° + 7b - 17° = 180°

Solving for b:

7b = 180° + 17° - 57°

7b = 140°

b = 140°/7 = 20°

b = 20°

It can also be noted that 57° and 2a-1 are vertical angles (opposite angles). Vertical angles are congruent, thus:

57° = 2a - 1°

Adding 1:

2a = 58°

a = 29°

The required values are a = 29°, b = 20°

The rainfall for the month of July was above average. The water level in a small lake measured 834 feet at the beginning of the month. Due to all the rainfall, the water level rose 35 of a foot per week for the first three weeks, then the lake dropped 12 foot in the last week of the month.
What was the water level of the lake at the end of July?
A
979ft.

B
101120ft.

C
10120ft.

D
71120ft.

Answers

Answer:

927 ft so A

Step-by-step explanation:

Answer:

Step-by-step explanation:

9 7/9

Find the area of the smaller sector. Plzzzz help!!!!!!!!!

Answers

Answer:

78.151 (approximately)

Step-by-step explanation:

To find the sector area, the formula is the angle of the sector out of 360° multiplied by the area of the full circle. Area of circle: pi × r²

=140/360×π×8²

=7/18×3.41×64

=7/18×157/50×64

=7/9×157/50×32

=7/9×157/25×16

=17584/225

=78.151 (approximately)

What is the value of x?
(5y + 10)
(3x + 7)º

Answers

Answer:

x = 21

Step-by-step explanation:

[tex](5 y + 10) \degree = y \degree + 90 \degree \\ (vertical \: \angle s) \\ \\ (5 y + 10 - y) \degree = 90 \degree \\ \\ (4 y + 10 ) \degree = 90 \degree \\ \\ 4y + 10 = 90 \\ \\ 4y = 90 - 10 \\ \\ 4y = 80 \\ \\ y = \frac{80}{4} \\ \\ y = 20 \\ \\ (5 y + 10) \degree = (5 \times 20 + 10) \degree = 110 \degree \\ \\ (5 y + 10) \degree + (3x + 7) \degree = 180 \degree \\ (linear \: pair \: \angle s) \\ \\ 110 \degree + (3x + 7) \degree = 180 \degree \\ \\ (3x + 7) \degree = 180 \degree - 110 \degree\\ \\ (3x + 7) \degree = 70 \degree \\ \\ 3x + 7 = 70 \\ \\ 3x = 70 - 7 \\ \\ 3x = 63 \\ \\ x = \frac{63}{3} \\ \\ x = 21[/tex]

The value of x and y are 21 and 20 degrees respectively.

What is linear pair?

Linear pairs of angles are produced when two lines intersect each other at a point. The sum of angles of the linear pair is always 180 degrees.

WE are given two adjacent angle (5y + 10) and (3x + 7)º

These angles make a linear pair so,

(5y + 10) + (3x + 7)º = 180

Also, we can see that angle Y and (3x + 7)º lies on a straight line then;

y + (3x + 7)º + 90 = 180

(3x + 7)º = 180 - 90 - y

(3x + 7)º = 90 -y

Now replace (3x + 7)º by 90 - y in the first equation.

(5y + 10) + (3x + 7)º = 180

(5y + 10) + (90 - y )º = 180

Finally, simplify;

4y + 100 = 180

4y = 80

y = 20

Now, (3x + 7)º = 90 -y =90 - 20

(3x + 7)º = 70

3x = 70 - 7

3x = 63

x = 21

Hence, the value of x and y are 21 and 20 degrees respectively.

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0.075,0.75%, 3/4.. Which of the following correctly orders the values above from least to greatest

Answers

Answer:

0.075,3/4,0.75

Step-by-step explanation:

Answer:

0.75%, 0.075%, 3/4

Step-by-step explanation:

Took the test and this is the correct answer

Find in term of pi, the volume of the water

Answers

Hope this might help u

Convert 1.42 m to customary units

Answers

Answer:

the answer is

Step-by-step explanation:

1.553 yards

1.42 m to customary units is 1.553 yards.

What is customary units?

On the other hand, "customary" US units have relationships that are not powers of 10;

1 ft = 12 in

1 yd = 3 ft

1 rod = 5.5 yd

1 chain = 4 rods

1 furlong = 10 chains = 220 yards

1 mile = 8 furlongs = 1760 yards = 5280 feet

The point of this exercise is to give you an appreciation of the fact that metric length units are related by powers of 10 means units conversion generally consists only of adjustment of the decimal point, or the power of 10 (for numbers in scientific notation).

For example;

1 cm = 10 mm

1 dm = 10 cm

1 m = 10 dm = 100 cm = 1000 mm

1 km = 1000 m

The prefixes m, c, d, k are standard SI prefixes applicable to other SI units as well.

Therefore, the conversion from one unit of US customary measure to another involves conversion factors that are not always easily remembered.

Hence, 1.42 m to customary units is 1.553 yards.

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Are 0.5 and 5 EQUAL TO EACH OTHER?

Answers

Answer: nope

Step-by-step explanation:

No, you would have to multiply .5 by 10 for them to be equal

Which triangles are congruent by SAS???

Answers

Answer:

Triangle VTU and ABC are congruent by SAS

Step-by-step explanation:

You can tell that these triangles are the same because the lines on the sides and angle are the same.

In July, the average temperature in Florida was 104°F, while the average temperature in California was 5° cooler. What was the average temperature in California?
°

Answers

Answer:

99 degrees F

Step-by-step explanation:

subtract 5 from 104

Answer:

average 104 degrees F

Step-by-step explanation:

Your social security number?
A) continuous
B) discrete
C)categorical

Answers

B is the correct answer

In a basketball game, the home team was down by 9 points at the end of the game. They only scored 6 points for every 7 points the visiting team scored. What was the final score of the game? Type both answers with a comma inbetween. Show your work below.

Answers

The final score of the basketball game is (54, 63).

What is a numerical expression?

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.

Given, They only scored 6 points for every 7 points the visiting team scored

and they differ by a total of 9 points.

Therefore, The final score would be 6×9, 7×9.

= (54, 63).

If we take the difference between 63 and 54 it would be 9.

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Is this a function or not

Answers

Answer:

it is a function

Step-by-step explanation:

843.5 x 10*2 =
I need help

Answers

Answer:

16870

Step-by-step explanation:

Answer: um 16870 I guess

Step-by-step explanation: I hope I help and can you plz give me a brainliest

Find the x- and y-intercepts of the graph of the linear equation 2x+3y=12.

Answers

Answer:

x-intercept= 6

y-intercept= 4

Step-by-step explanation:

Solve for x first then solve for y.

Answer: y= -2/3x+4

The X-Intercept is -2/3

The Y- Intercept is 4

Hope this helps!! Have a wonder day everyone!! (:

Step-by-step explanation:

Step one write out the equation 2x+3y=12

Then move the variable to the right hand side and change the sign. 3y=12-2x

Then divide both sides of the equation by 3. You get y=4-2/3x

Then: Use the Commentative Property to reorder the terms. y= -2/3x+4

A.) what is the domain?
B.) what is the range?
C.) is this relation a function?

Answers

Answer:

The Domain is the set of all points over which a function is defined.

The range is the set of values the function takes on as output.

6th grade math i mark as brainliest

Answers

Answer:

There are 5 terms

Step-by-step explanation:

each number is its own term

There are 4,389 dogwood trees in the state park. The park workers are going to plant 342 more trees. How many trees will there be when they are done?

Answers

Answer:

4731

Step-by-step explanation:

4,389+342=4,731

SOLVING SYSTEMS:
I just need the work for each equation.

Answers

S. 2x - 6 = x + 8
+ 6 + 6
2x = x + 14
-x -x
x = 14

y = (14) + 8
y = 22

(14 , 22)

I. 2x - 5y = 16
-2x + 20y = -16
15y = 0
/15 /15
y = 0

x - 10(0) = 8
x = 8

(8 , 0)

F. 10x + 6y = -4
2x - 6y = -8
12x = -12
/12 /12
x = -1

2(-1) - 6y = -8
-2 - 6y = -8
+2 +2
-6y = -6
/-6 /-6
y = 1

(-1 , 1)

N. 24x - 3y = 15
2x + 3y = 11
26x = 26
/26 /26
x = 1

2(1) + 3y = 11
2 + 3y = 11
-2 -2
3y = 9
/3 /3
y = 3

(1 , 3)

T. 3x - 2y = -2
6x + 2y = 2
9x = 0
/9 /9
x = 0

-3(0) + 2y = 2
2y = 2
/2 /2
y = 1

(0 , 1)

O. -8x - 4y = 6
5x + 4y = -3
3x = -3
/3 /3
x = -1

-4(-1) - 2y = 3
4 - 2y = 3
-4 -4
-2y = -1
/-2 /-2
y = 1/2

(-1 , 1/2)

I. 8x - 9 = -2x - 4
+2x +2x
10x - 9 = -4
+9 +9
10x = 5
/10 /10
x = 1/2

y = -2(1/2) - 4
y = -1 - 4
y = -5

(1/2 , -5)

D. -6x - 4 = -3x + 5
+3x +3x
-3x - 4 = 5
+4 +4
-3x = 9
/-3 /-3
x = -3

y= -3(-3) + 5
y = 9 + 5
y = 14

(-3 , 14)

S. -9 = -3x - 3y
8 = 4x + 3y
-1 = x

3 = -1 + y
+1 +1
4 = y

(-1 , 4)

R. -5x - 5y = 25
5x - 4y = 2
-9y = 27
/-9 /-9
y = 3

-x - (-3) = 5
-x + 3 = 5
-3 -3
-x = 2
/-1 /-1
x = -2

(-2 , -3)

A. 8y + 3 = 3x
- 3 - 3
8y = 3x - 3
-3x -3x
-3x + 8y = -3
-3x + 8y = -3

Same equation = infinite solutions

K. 8x - 6y = -4
3x + 6y = 4
11x = 0
/11 /11
x = 0

4(0) - 3y = -2
-3y = -2
/-3 /-3
y = 2/3

(0 , 2/3)

T. -5x - 8y = 0
12x + 8y = 56
7x = 56
/7 /7
x = 8

3(8) + 2y = 14
24 + 2y = 14
-24 -24
2y = -10
/2 /2
y = -5

(8 , -5)

PLEASE SOMEONE ACTUALLY HELP I WILL MARK BRAINLIEST

Answers

Answer:

C, or the third one

Step-by-step explanation:

You go to Mellow Mushroom and your bill is $50.
You decide to leave a 20% tip.
What is your final cost?

Answers

60$

10% of 50$ is 5(50/10), so 20% (10% x 2) would be 10 (5$ x 2)

The original 50$ added to the 10$ would make 60$

p + 0.4 = −6 Solve for p.

Answers

Answer:

q=-6.4

Step-by-step explanation:

If you need proof or don't understand I can edit it just tell me.

The total charge for a taxi ride includes an initial fee of $2.75 plus $2.25 for every 1/2
mile traveled. The ride cost him $56.75. How many miles did he travel in the taxi?

Answers

Answer:

12 miles

Step-by-step explanation

56.75 - 2.75 = 54

1/2(54/2.25)

Can someone help me please, with the step by step explanation ???

Answers

Answer:

a=2

Step-by-step explanation:

8a +9=3a +19

Subtract 9 from both sides

-9= -9

8a=3a +10

Subtract -3a from both sides

5a=10

5a divided by both sides

5/5

10/5=2

a=2

7 chocolate bars cost 19 dollars determine the cost per chocolate bar.

Answers

Answer: .368

Step-by-step explanation:

Answer:

$2.71

Step-by-step explanation:

to find the cost of each chocolate bar you must divide the total cost by the number of chocolate bars

19/7

= 2.714

≈ $2.71

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A two digit number is such that, the sum of its digit is 13.When the digits are interchange, the original number is increased by 9. Find the original number.​

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A two digit number is such that, the sum of its digit is 13.When the digits are interchange, the original number is increased by 9. Find the original number.