Stephanie's Age Is 3 Years Greater Than Half Of Her Sister's Current Age. If Her Sister Is 24 Years Old, (2024)

Mathematics High School

Answers

Answer 1

Answer: Stephanie is 15

Step-by-step explanation:

because you can do 24 divided by 2 which equals 12 then add three to 12 and you get 15.

you're welcome! plz lmk if i'm wrong XD

Answer 2

Stephanie's age is 3 years greater than half of her sister's current age. If her sister is 24 years old, then Stephanie's age is 15 years.

To find Stephanie's age, we need to follow the given information that her age is 3 years greater than half of her sister's current age.

First, we find half of her sister's age: Half of 24 = 24 / 2 = 12

Next, we add 3 years to half of her sister's age: 12 + 3 = 15

Therefore, Stephanie's age is 15 years.

Age can be used in mathematical equations and word problems to solve for unknowns or to establish relationships between different quantities. For example, age-related math problems might involve scenarios such as Finding someone's age given their birth year and the current year, Calculating the average age of a group of people and Determining the age difference between two individuals based on their birth years.

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Related Questions

2x^2 + 19x + 40 = -2

Answers

Answer:

X = - 7/2 or -6

Step-by-step explanation:

2x^2 + 19x + 40 = -2

2x^2 +19x + 40+2 = 0

2x^2 + 12x +7x+42= 0

2x(x+6) 7(x+6) =0

(2x+7) (x+6) = 0

2x+7 = 0

2x = -7

2x÷2=-7÷2

X= -7÷2 and

X+6=0

X=-6

If x represents a number then write an expression for a number that is three more than one third the value of x

Answers

Answer:

1/3x+3

It is asking for 1/3 of x which is 1/3x

three more essentially means add 3

So 1/3x+3 is the answer

The expression is,

y = 1/3x+3

Where, y is number write with the help of x

And, x is a number.

Here,

We have to write an expression for a number that is three more than one third the value of x.

What is Number system?

A system of writing to express the number is called Number system.

Now,

x represents a number.

Let a number y which is written as, three more than one third the value of x.

One third of x = 1/3 x

Then, more than 3 means to add 3, we get

y = 1/3 x + 3

Hence, The expression is,

y = 1/3x+3

Where, y is number write with the help of x

And, x is a number.

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What is the future value of an annual deposit of $800 earning 6 percent for 15 years

Answers

Future value of lump sum - $1,917.25
Compound interest interest earned- $1,117.25

–11 + |–19| Please help me!

Answers

The answer is 8 because -19 turns into a positive. So the equation would be -11 + 19. 19 is greater than -11 so the outcome would be positive.

Answer:8

-11+19 (absolute value)

Add the opposite

19-11=8

Keep the sign of the greater absolute value in this case the greater value is ninteen but it can be the negitive.

So your answer is eight (8)

Step-by-step explanation: see above

what is 24-6x3+52-(12÷2)

Answers

The answer is 52 if it’s wrong I’m so sorry but my calculations said 52 the math was hard but it’s 52

Answer:

Step-by-step explanation:

524-6x3+52-(12÷2)

Multiplique los números

524-18+52- (12÷2) paso tres divida los números 524-18+52-6calcula la suma o resta 524-18+52-6=552solución= x = 552

CAN SOMEONE HELP ME? You just have to check if I'm right and I need the answer to 13 plzzz?? It would be greatly appreciated! I will give you a brainest!! It is geometry.

Answers

Answer:

Step-by-step explanation:

Just need answer, that fills in the blanks, i dont need work shown ty
will give brainly!!

Answers

The answer is 60 degrees

Solve for x: 2x + 7 = -9 - 6x
(PLEASE HELP THIS IS FOR ALGEBRA AND ITS DUE AT IN 9 MINUETS)

Answers

Answer:

x=-2

Step-by-step explanation:

2x+7=-9-6x

add 6x on both sides

8x+7=-9

subtract 7 on both sides

8x=-16

x=-2

Answer:

x=-2

Step-by-step explanation:

Let me know if I need to explain but here is the answer cause i know you are in a rush.

What is the discriminat of 9x²+2=10x

Answers

Answer: 28

Step-by-step explanation:

The discriminant in the quadratic equation which is

it is the part inside of the square root part

it is called the discriminant beause it tells you how many real or complex roots/solutions you will get

so b^2-4ac

convert to ax^2+bx+c=0 form

9x^2+2=10x

subtract 10x

9x^2-10x+2=0

ax^2+bx+c=0

a=9

b=-10

c=2

substitute

-10^2-4(9)(2)

100-36(2)

100-72

28

discriminant is 28

in which quadrant does the point s(-3, -4) lie?

Answers

Answer:

It's in quadrant 3

combining like terms with negative coefficients and distribution
-5(3x+10)-2(4x-5) ?

Answers

Answer:

23x-40

Step-by-step explanation:

(-5x10) (-2x-5)

v

-5(3x+10)-2(4x-5)

v v v v

-15x -50 -8x 10

combine like terms

-15x-8x= 23x ( 2 negatives make a positive)

-50+10= -40

23x-40

50 POINTS IF YOU CAN HELP! ASAP

Answers

Answer:i don’t even see the question... what is is?

Step-by-step explanation:

To borrow $3,000 from the bank to buy first car the interest rate is 5% how muvh money will you owe the bank at the end of one year

Answers

Answer:

I=150

Step-by-step explanation:

I=Prt

I=3000(?)(?)

divide 5% by 100

I=3000(0.05)(?)

1 year= 1

I=3000(0.05)(1)

I=150

You owe "150" the bank at the end of one year

According to the question,

Principle,

P = 3000

Interest rate,

r = 5% or 0.5

Time,

t = 1 year

We know that,

→ [tex]I = Prt[/tex]

By substituting the values, we get

[tex]= 3000\times 0.5\times 1[/tex]

[tex]= 150[/tex]

Thus the above approach is right.

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Solve.

h + 14 = -14

h =

Answers

Answer:

h= -28

Step-by-step explanation:

h+14=-14 isolate h by subtracting 14 on both sides

h= -28

Answer:

h=-28

Step-by-step explanation:

k byeeeeeeeeeeeeee:)

Solve the quadratic equation.
x^2 = -8x - 7
A. {7, -1}
B. {-1, -7}
C. {8,1}
D. {7,1}
E. (-8, -1}

Answers

Answer:

B, (-1, -7)

Step-by-step explanation:

Help!! no can seem to help me :/

Answers

Answer:

[tex]7 {}^{0} = 1[/tex].

In any number if the power of the number is 0,then it will be 1.


Identify the domain, range, and codomain in each graph. Then use the codomain and range to determine whether the
function is onto.

Answers

Answer:

Step-by-step explanation:

Domain : Set of all possible input values (x-values) on a graph

Codomain : Set of all possible out values for the input values (y-values) on the graph

Range : Actual output values for the input values (x-values) given on the graph.

Therefore, for the given graph,

Domain : (-∞, ∞)

Codomain : (-∞, 2]

Range : (-∞, 2]

From the given graph every input value there is a image or output value.

Therefore, the given function is onto.

Line p passes through (8,-6) and is perpendicular to the line 2x+y=-7.
The slope of line p is?

A- -2
B- -1/2
C- 1/2
D- 2

(How do I solve to find slope)

Answers

Answer:

C) 1/2

Step-by-step explanation:

The slope of a perpendicular line is the negative inverse.

First, convert the given line to slope-intercept form.

2x + y = -7

y = -2x − 7

The slope of this line is -2. So the slope of the perpendicular line is:

m = -1 / (-2)

m = 1/2

Tim spends an 9/10 hour running and also spends 4/11 of an hour at the theater.
How much less time does Tim spend at the theater compared to running?

Answers

Answer:

Tim spends 59/110 less time at the theatre

Step-by-step explanation:

first term is 3, common difference is 4 what is the 5th term

Answers

Answer:

19

Step-by-step explanation:

The n th term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = 3 and d = 4 , thus

a₅ = 3 + (4 × 4) = 3 + 16 = 19

(5/8 x - 10) - (1/8 x - 12)

Answers

Answer: 16x-25 over 4(4x-5)(2x-3)

Step-by-step explanation:

(5/8x -10) - (1/8x - 12)
5/8x - 1/8x =1/2 (if simplified)
-10 - -12
-10+12
10-12
-2
1/2x - -2
Answer 1/2x +2

help help i need help please​

Answers

hope it helps you

this is my answer

combining like terms with negative coefficients and distribution
-5(3x+10)-2(4x-5) ?

Answers

Answer:

-23x-40

Step-by-step explanation:

-5(3x+10)-2(4x-5)-15x-50-8x+10-23x-40

I need help with this math problem please

Answers

Answer:

65 -3x = 55 -2.5x20 periods$5

Step-by-step explanation:

The value of the first card starts at $65 and decreases by $3 for each of x periods. Its value is ...

65 -3x

The value of the second card starts at $55 and decreases by $2.50 for each of x periods. Its value is ...

55 -2.5x

The equation that can be used to find x that makes the values equal is ...

65 -3x = 55 -2.5x

__

The solution can be found by adding 3x-55 to both sides of this equation.

10 = 0.5x

Multiplying by 2 gives ...

20 = x

After 20 30-day periods. the cards will have the same value.

__

The value after 20 periods is ...

65 -3×20 = 65 -60 = 5

Both cards will have a value of $5 when they have the same value.

Round the following numbers to 2 decimal places 3526.48502 12.6433 0.2099

Answers

Step-by-step explanation:

3526.49 12.64 0.21

I hope this helps

Answer:

3526.49

12.64

.21

Step-by-step explanation:

1. On the left of the decimal place, take the third number and if it is = to or higher than 5, round the second number up by 1.

3526.485 becomes 3526.49

2. If it is lower than 5, then just leave the second number alone.

12.6433 becomes 12.64

3. If it is a decimal place number, just take the third number and if it is higher than 5, increase the second number.

.2099 becomes .21

If f(x) = 5 - 2x, find f(-15)

Answers

Answer: 35

Please give me Brainliest

please help meee. i honestly do not get what is being posted and need help

Answers

It’s D because 10/3 is 3.3333, 3.3, the little thing (I forgot what it’s called) is always 3.14, and 11/4 is 2.75

3. Burns has a bank account with a balance of $65.00. Burns paid $35.00 to
his credit card and he spends $40.00 for a hamburger. What would Burns's
bank balance be, after both debits were paid?

Answers

60 dollars

65+35=100

100-40=60

Brainliest?

Please help will mark brainliest 15 points answer ASAP.

Use the graph below to fill in the blank with the correct number: (1 point)
f(1) =

Answers

Answer:

f(1) = -2

Step-by-step explanation:

Remember that when dealing with functions, it is written in the form of f(x)

We know that f(1) is the value of the function when the value of x is equal to 1

In this problem, look on the graph to see

for x = 1

the value of the function is f(1) = -2

Answer:

-2

Step-by-step explanation:

A baker needs 2 pounds of flour and 3 sticks of butter to
make 64 cupcakes. At these rates, how many pounds of
flour and how many sticks of butter would the baker
need to make 352 cupcakes?

Answers

Answer:

11 pounds of flour and 16.5 sticks of butter

Step-by-step explanation:

2/64 = 0.03125

3/64 = 0.046875

0.03125 * 352 = 11

0.046875 * 352 = 16.5

Answer:

15 1/2 sticks of butter, and 11 pounds of flower, hoped this helped.

Step-by-step explanation:

Stephanie's Age Is 3 Years Greater Than Half Of Her Sister's Current Age. If Her Sister Is 24 Years Old, (2024)

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