Today is the birthday of Rahul and he is 3 times
as old as Nirmala. In 13 years, Rahul will be one
year less than twice as old as Nirmala will be
then. The age of Rahul today is:
a. 30 years
c. 49 years
b. 36 years
d. 30 years​

Answers

Answer 1

Answer:

b. 36 years

Step-by-step explanation:

Today

Nirmala = x years

Rahul = 3x years

In 13 years

Nirmala = 3x + 13 years

Rahul = 2(x+13) - 1

3x + 13 = 2(x+13) - 1

3x + 13 = 2x + 26 - 1

3x + 13 = 2x + 25

3x - 2x = 25 - 13

x = 12

Nirmala = x years

= 12 years

Rahul = 3x years

= 3(12)

= 36 years

The age of Rahul today is 36 years


Related Questions

If you divided a rectangle into ten smaller rectangles and
then each of THOSE into ten, each of the smallest
rectangles is

Answers

1/100 of the original rectangle

3. Aşağıda verilen çıkarma işleminde bazı rakamların yerine semboller kullanılmıştır.
4 318
3 2*
4 1 A6
Buna göre, bu sembollerin yerine yazılması gereken rakamlar için (1+A)** işlemi-
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C) 55
D) 63
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ANK-0502​

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Answer:

thr answers are A and D of the question

Be an angel and halp mi pls

Answers

Answer:

The mean of the scores at the bowling game is D. 210

Hope this helped! :)

Answer:

Step-by-step explanation:

The mean is just the sum of terms divided by the number of terms.

m=(180+200+210+220+240)/5

m=210

how sq ft in a room 12 x 12

Answers

Answer:

[tex]\boxed{\fcolorbox{144 ft^{2} }}[/tex]

which alphabet is missing Y E W G U I​

Answers

Answer:

Almost all the letters are missing, 20 letters are missing

Step-by-step explanation:

A B C D F H I J K M N O P Q R S T V X Z

The missing alphabet between Y and W= X

The missing alphabet between W and U= V

The missing alphabet between E and G=F

The missing alphabet between G and I=H

What is alphabet?

An alphabet is a standardized set of basic written symbols or graphemes that represent the phonemes of certain spoken languages.

According to question, we have to find which alphabet is missing Y E W G U I​.

If we  find missing alphabet between bold alphabet  Y E W G U I​,

we get the following

The missing alphabet between Y and W= X

The missing alphabet between W and U= V

If we  find missing alphabet between bold alphabet Y E W G U I​,

we get the following

The missing alphabet between E and G=F

The missing alphabet between G and I=H

Hence , we can conclude that

The missing alphabet between Y and W= X

The missing alphabet between W and U= V

The missing  alphabet between E and G=F

The missing  alphabet between G and I=H

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What is the coordinate plane made up of two intersectioing lines

Answers

It is D - the origin

Pls help 7th grade math

Answers

Answer:

Lucy, Jenny, Dan, Terry

Step-by-step explanation:

What is 23x56÷67-68?
Hurry plz
Me give brainliest
Thanks in advance

Answers

Answer:

-48.4328358209

Step-by-step explanation:

hope this helps!!!

Answer:

If you meant 68-67 then it would be 1288

But if you meant 67-68 it is -1288

(I really hope this isn't hard to understand).

Fill in the blanks to make a true statement.

(2+___i) + (___+3i) = 6 + 8i

Answers

Answer:

(2+  5i) + (4 + 3i) = 6 + 8i

Step-by-step explanation:

2 + xi  + y + 3i = 6 + 8i

(2 + y) + xi + 3i = 6 +8i

(2 + y) + (x + 3)i = 6 + 8i

Compare real numbers

2 + y = 6

     y = 6 - 2

    y = 4

Compare imaginary numbers

x + 3 = 8

     x = 8 - 3

    x = 5

What is the are a square with a side length of 3x + 4.

Answers

A=side^2
A=3x+4^2
A=3x+4•4
A=3x+16

Rearrange the equation so q is the independent variable 9q - 4 = 3r - 6

Answers

3r = 9q - 4 + 6

r = (9q + 2)/3

Answer: r = (9q + 2)/3

Answer:

q = [tex]\frac{3}{9}[/tex]r -[tex]\frac{2}{9}[/tex]

Step-by-step explanation:

9q - 4 = 3r - 6

+4 on both sides

9q = 3r - 2

Divide both sides by 9

q = [tex]\frac{3}{9}[/tex]r -[tex]\frac{2}{9}[/tex]

Ciara has a bag of 60 colored marbles. There are purple, green, and red marbles,. She empties the bag, sorts the marbles, and counts 11 purple marbles and 20 green marbles. She wants to write a ratio of the number of purple marbles to the number of red marbles. How can she find the number of red marbles without counting them?

Answers

Answer:

[tex]Red = 29[/tex]

Step-by-step explanation:

Given

[tex]Total = 60[/tex]

[tex]Purple = 11[/tex]

[tex]Green = 20[/tex]

Required

Number of red marbles, without counting

To do this, we simply subtract the sum of the purple and red marbled from the total marbles.

So, we have:

[tex]Red = Total - (Purple + Green)[/tex]

[tex]Red = 60 - (11 + 20)[/tex]

[tex]Red = 60 - 31[/tex]

[tex]Red = 29[/tex]

Question 4
There are 15 members in a bicycle club this fall. By next summer, Ming hopes the number of members will be 140% of this number. What is
Ming's goal for the number of members next summer?

Answers

Ming's goal for the projected number of members next summer is the product of percentage increase and the current number of members, which is 21

Given the Parameters :

Present number of members in club = 15

Expected percentage rise = 140%

The projected number of members next summer can be calculated thus :

Current number × Expected percentage rise

15 × 140%

15 × 1.4 = 21

Therefore, Ming expects to see the number of members rise to 21 next summer.

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Answer:

It's 36 :)

Step-by-step explanation:


What is the area of this face?
12 ft
6ft
6 ft
6 ft

Answers

Answer:

hi

Step-by-step explanation:

the area of the front face by the width. Vc= 20 cm2 x 10 cm. = 200 cm. Area = 20 cm? 2 ft. The volume of soil in the planter is 36 cubic feet. 6 ft. I draw a rectangular prism and I have a prism with the dimensions of 8 in by 12 in by 20 in.

hope this helps

Find the surface area of the square pyramid shown below.

Answers

Answer:

12

Step-by-step explanation:

6+6=12

3x4=12

What are the solutions to (x+7)2 = 81?


A. -74 and 88

B. -2 and 16

C. -88 and 74

D. -16 and 2

Answers

Answer:

D

Step-by-step explanation:

x+7 =√81: x=s

x+7=-√81: x=-16

HELP MEEEE PLEASEEEEEEEEEEEEEE

Answers

Answer:

a = 4

Step-by-step explanation:

a^2 + b^2 = c^2

a= ?

b= 3

c= 5 (c is always the hypotenuse)

*plug in given values

a^2 + 3^2 = 5^2

a^2 + 9 = 25

-9 -9

a^2 = 16

*find the square root

sqrt(a) = sqrt(16)

a = 4

Answer:

a = 4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right  

Equality Properties

Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of Equality

Trigonometry

[Right Triangles Only] Pythagorean Theorem: a² + b² = c²

a is a leg b is another leg c is the hypotenuse

Step-by-step explanation:

Step 1: Define

Leg a = a

Leg b = 3

Hypotenuse c = 5

Step 2: Solve for a

Substitute in variables [Pythagorean Theorem]:                                          a² + 3² = 5²[Subtraction Property of Equality] Isolate a term:                                         a² = 5² - 3²Evaluate exponents:                                                                                       a² = 25 - 9Subtract:                                                                                                          a² = 16[Equality Property] Isolate a:                                                                          a = ±4

Since we are dealing with a regular right triangle and not a quadrant triangle, we use the positive root.

∴ a = 4

Which of the following combinations of side lengths will form a triangle with vertices X, Y, and Z?
A. XY = 19 mm, YZ = 11 mm, XZ = 29 mm
В. XY = 19 mm, YZ = 11 mm, XZ = 31 mm
C. XY = 19 mm, YZ = 10 mm, XZ = 30 mm
D. XY = 20 mm, YZ = 11 mm, XZ = 32 mm

Answers

It should be C I’m not 100% shor tho

What are the coordinates of R'?
OR'(4-1)
OR'(-4,1)
OR (1.4)
OR'(-1,-4)

Answers

Answer:

OR' (-4,1)

Step-by-step explanation:

Answer is OR' (-4,1)

Hope it helps!

Please mark as brainliest and thanks!

Byeee!

60d+65n=2800
50d+45n=2150

Answers

From the second equation we can find that d=43-(9/10)*n
we can put this equation into the first one,
So we have equation 60(43-(9/10)*n)+65n=2800
Solving that we get n=20
60d+65*20=2800
d=25

So the answer is d=25 and n=20

what is this equation simplafied? 2(n+7)+8

Answers

Answer:

2n+22

Step-by-step explanation:

Quizziz 9th grade help please please

Answers

Answer:

(x-4)(x-12)

Step-by-step explanation:

If you need help factoring lmk i can help ya :)

How far up the tree is the cat ?

Answers

I wanna say 36 feet times the 5 times the 12

MY
2B =
Cou
Round your answer to the nearest hundredth.
SA
A
MY
Pro
9
Pro
Tea
B
5

Answers

Answer:

<B = 56.25°

Step-by-step explanation:

Reference angle = B

Hypotenuse = AB = 9

Adjacent = BC = 5

Applying trigonometric ratio:

[tex] cos (B) = \frac{adj}{hyp} [/tex]

[tex] cos (B) = \frac{5}{9} [/tex]

[tex] B = cos^{-1}(\frac{5}{9}) [/tex]

B = 56.25° (nearest hundredth)

Alicia bought a package of eight peaches for $3.20. Find the cost of each peach.

Answers

Answer:

.40 cents each.

Step-by-step explanation:

$3.20/8=.40

Doña Mago compró 3 kg de chile verde y 11 dólares de tomate en una tienda, en otra tienda compro 2 kg de chile verde y $ 24 dólares de cebolla.Si en cada tienda pago la misma cantidad de dinero y el precio de cada kg de chile verde fue el mismo en ambas tiendas cuanto costó el kg de chile ?

Answers

Answer:

NOSE BRO TU DIME JAJAAJAJAJAJAJAJAJAJAJAJAJAJAJAAJAJA XXDXDDDXXDDZXXDDDXXDDDXZDDXXDDDXXZDD$XXXXDDDDDDD

Given f(x) = -3x + 1 and g(x) = 4*, find the following combinations:
g(x)-f(x)
g(x) •f(x)
f(x)
8(x)

Answers

Step-by-step explanation:

Please refer to the attachment

Megan bought 50 beads for a coast of $9.95. sakes tax on the beads was 6%. how much did she pay for the beads total?​

Answers

Answer:

$10.52

Step-by-step explanation:

First, 9.95 × .06 = 0.6

Then you add 9.95 + 0.6

So the answer is $10.55

Which statement best explains the relationship
between lines FG and HJ?
O They are perpendicular because their slopes are
equal.
O They are perpendicular because their slopes are
negative reciprocals.
O They are not perpendicular because their slopes are
equal.
O They are not perpendicular because their slopes are
not negative reciprocals.

Answers

Answer: d- they are not perpendicular because their slopes are not negative reciprocals.

Step-by-step explanation:

The statement best explains the relationship between lines FG and HJ is They are not perpendicular because their slopes are not negative reciprocals, the correct option is D.

What is the Point-slope form?

The equation of the straight line has its slope and given point.

If we have a non-vertical line that passes through any point(x1, y1) has gradient m. then general point (x, y) must satisfy the equation

y-y₁ = m(x-x₁)

Which is the required equation of a line in a point-slope form.

We are given that;

The graph of line FG and HJ

Now,

The slope of line FG can be found by using the points (-4, 1) and (0, -2):

m = (-2 - 1) / (0 - (-4)) = -3 / 4

The slope of line HJ can be found by using the points (-4, -2) and (0, 4):

m = (4 - (-2)) / (0 - (-4)) = 6 / 4 = 3 / 2

The slopes of lines FG and HJ are not negative reciprocals of each other, since -3/4 is not equal to -1/(3/2) or 2/3. So, lines FG and HJ are not perpendicular.

Therefore, the answer will be they are not perpendicular because their slopes are not negative reciprocals.

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How much tax will be added to a total bill of $27.36 if the tax rate is 8.1%














please help!!!!!!!asap :(

Answers

Answer:

2.21616

Step-by-step explanation:

multiply te tax rate wit te total bill

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