The average growth for height
of a boy from age 6 to 12 is 2.5
inches per year. John is 6 years
old and is 41 inches tall. Model
Johns height with an equation.

Answers

Answer 1

The modelled John's height with an equation is x = 41 - 6 × 2.5.

Given that, the average growth for the height of a boy from age 6 to 12 is 2.5 inches per year. John is 6 years old and is 41 inches tall.

We need to model John's height with an equation.

What is an equation?

In mathematics, an equation is a formula that expresses the equality of two expressions, by connecting them with the equals sign =.

Let John's initial height be x.

Now, an equation = x = 41 - 6 × 2.5

Therefore, the modelled John's height with an equation is x = 41 - 6 × 2.5.

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Related Questions

A box of candy had 4 cherry pieces for every 9 lemon pieces. If the box had 45 lemon pieces, how many cherry pieces would there be?

Answers

Answer:

20

Step-by-step explanation:

What is the result of subtracting the second equation from the first?
8.x - 4y = -4
-3a + 4y = 5​

Answers

this is the answer with explanation

I need help asap someone please help me i dont understand this question so can someone help me

Answers

Answer:

we conclude that:

[tex]\frac{2p}{4p^2-1}\div \frac{6p^3}{6p+3}=\frac{1}{2p^3-p^2}[/tex]

Step-by-step explanation:

Given the expression

[tex]\frac{2p}{4p^2-1}\div \frac{6p^3}{6p+3}[/tex]

[tex]\mathrm{Apply\:the\:fraction\:rule}:\quad \frac{a}{b}\div \frac{c}{d}=\frac{a}{b}\times \frac{d}{c}[/tex]

[tex]=\frac{2p}{4p^2-1}\times \frac{6p+3}{6p^3}[/tex]

[tex]=\frac{2p}{4p^2-1}\times \frac{2p+1}{2p^3}[/tex]

[tex]\mathrm{Multiply\:fractions}:\quad \frac{a}{b}\times \frac{c}{d}=\frac{a\:\times \:c}{b\:\times \:d}[/tex]

[tex]=\frac{2p\left(2p+1\right)}{\left(4p^2-1\right)\times \:2p^3}[/tex]

cancel the common factor: 2

[tex]=\frac{p\left(2p+1\right)}{\left(4p^2-1\right)p^3}[/tex]

cancel the common factor: p

[tex]=\frac{2p+1}{p^2\left(4p^2-1\right)}[/tex]

[tex]=\frac{2p+1}{p^2\left(2p+1\right)\left(2p-1\right)}[/tex]

cancel the common factor: 2p+1

[tex]=\frac{1}{p^2\left(2p-1\right)}[/tex]

Expanding

[tex]=\frac{1}{2p^3-p^2}[/tex]

Thus, we conclude that:

[tex]\frac{2p}{4p^2-1}\div \frac{6p^3}{6p+3}=\frac{1}{2p^3-p^2}[/tex]

Please help!!
what is the slope, y intercept, and equation for this?? I’ll give brainliest!!!!

Answers

Answer:

Slope: -1/3

y intercept: -2

SlopeX -1/3
Slope y is

If a pound costs $4.25, how much dose 0.46 pounds cost?

Answers

the answer is about $1.96

Answer:

$1.96

Step-by-step explanation:

Let's set up a proportion:

1 lb : $4.25 = 0.46 lb : $x

Here, x is the cost of 0.46 pounds. The ratio above can also be written in fraction form as:

[tex]\frac{1}{4.25} =\frac{0.46}{x}[/tex]

Now, we cross-multiply:

1 * x = 4.25 * 0.46

x = 1.955 ≈ $1.96

What is the value of the expression 10(n-6) when n = 14?

Answers

Answer:

80

Step-by-step explanation:

10(n-6)

10(14-6)

10(8)

80

Answer:

80

Step-by-step explanation:

10(n-6)            Expression

10 ( 14 - 6 )      Replacing n with 14

10 ( 8 )            Solving the expression in the brackets

80                   Removing parenthesis

80!

What is the slope of the line shown in the graph below?

Answers

Slope = (y2-y1)/(x2-x1)
The points: (2,0) and (0,3)
(3-0)/(0-2) = 3/-2 = -3/2
The solution is -3/2

Answer:

the slope is -1.5

hope this helps

How is speed similar to solving for time?

Answers

To get the speed of something you would have to sole for s=d/t (speed equals distance over time)

(this is only 7th-grade math!!) how to find the rates?
also sorry if some of the ones i put are wrong, i have a big headache rn and i cant focus on math

Answers

Answer:

i think under 3 1/2 its 87.50 and under the 4 its 100

Step-by-step explanation:

for every 1/2 hour he gets $12.50

i hope this is right :)

the perimeter of a rectangle is 62 m.

Answers

Answer:

c o n f u s i o n

Step-by-step explanation:

Uh... I dunno, sure, the perimeter of a rectangle is 62 m, I guess?

If f(x)=3x^5+2x^4+5, then what is the remainder when f(x) is divided by x−1?

Answers

Answer:

The remainder is 10

Step-by-step explanation:

The find the remainder when f(x) divided by g(x), find the value of x when g(x) = 0, then substitute it in f to find the value of the remainder

∵ f(x) = 3[tex]x^{5}[/tex] + 2[tex]x^{4}[/tex] + 5

∵ f(x) is divided by x - 1

g(x) = x - 1

→ Equate g(x) by 0 to find x

∵ g(x) = 0

x - 1 = 0

→ Add 1 to both sides

∵ x - 1 + 1 = 0 + 1

x = 1

→ Substitute x in f by 1

∵ f(1) = 3[tex](1)^{5}[/tex] + 2[tex](1)^{4}[/tex] + 5

∴ f(1) = 3(1) + 2(1) + 5

∴ f(1) = 3 + 2 + 5

f(1) = 10

∵ The remainder is the value of f(1)

The remainder is 10  

Emily wants to earn $100. She picks blueberries and is paid d dollars per bucket. She averages 4 buckets per day, and she has already picked blueberries for 5 days.

Which of the following expression represents how much more money she needs to earn to meet her goal?

Answers

Answer:d

Step-by-step explanation:

The money Emily needs to earn to meet her goal if, Emily wants to earn $100 is 20 (5 - d).

What is an expression?

Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a statement.

Given:

Emily wants to earn $100,

She averages 4 buckets per day, and she has already picked blueberries for 5 days,

Calculate the total money earned by Emily till now as shown below,

d × 5 × 4 = 20d

Money left = 100 - 20d

Write the expression as shown below,

The money she needs to earn to meet her goal = 100 - 20d

The money she needs to earn to meet her goal = 20 (5 - d)

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on khan my progress wont go up and i need 50% and i have 44 help please

Answers

Answer:

watch 2 more videos

Step-by-step explanation:

3x + 3-5> 4
this is my last straw

Answers

Answer:

x> 2 im not for sure though

Step-by-step explanation:

slope 3, y-intercept at -4 in slope intercept form

Answers

Answer:

[tex]y = 3x - 4[/tex]

Step-by-step explanation:

To set up a Slop intercept equation the formula is

[tex]y = mx + b[/tex]

mx being the slope

and b being the y-interecpt

Hope this helps!

Please help ! Write slope intercept form

Answers

Answer:

y=4/3x

Step-by-step explanation:

The corresponding sides of two similar triangles are 8 and 12. If the perimeter of the smaller triangle is 28, find the perimeter of the bigger triangle?
A. 38
B. 30
C. 54
D. 42

Answers

Answer:

D

Step-by-step explanation:

12•28 which is then divided by 8=42

Which of these is also (always) a rhombus? (Select all that apply.)

A. Quadrilateral
B. Parallelogram
C. Rectangle
D. Square
E. Kite
F. Trapezoid

Answers

Answer:

A square and maybe a kite.

Step-by-step explanation:

Answer:

D. Square

Step-by-step explanation:

Here is a good images that explains what is what:

Read it from bottom to top. It cannot be reversed.

What is the factored form of t6 − p3?

A.
(t2 + p)(t4 − pt2 + p2)
B.
(t − p)2(t2 − pt + p2)
C.
(t2 − p)(t4 + pt2 + p2)
D.
(t − p)2(t2 + pt + p2)

Answers

Answer:

(C). (t² - p)( [tex]t^{4}[/tex] + pt² + p²)

Step-by-step explanation:

a³ - b³ = (a - b)(a² + ab + b²)

[tex]t^{6}[/tex] - p³ = (t²)³ - p³ = (t² - p)( [tex]t^{4}[/tex] + pt² + p²)

if you have an 90 in a class and took at test but got a 74 what is your new grade
I’m asking because I really want to know my grade for bio thank you
I will give you branlyist if you answer

Answers

Answer:

How must did your teacher say the test would take off but I would say a A- or B

Answer: i think it will be like a 87.81

Step-by-step explanation: pls mark this as braanlyest

Help needed. 30 points to complete the table and do the second part.

Answers

Answer:

-4,-6,-8,-10

Step-by-step explanation:

I am not so sure though.

1/2 x 1/2 = please answer I forgot what this was!!

Answers

Answer: 0.25

Step-by-step explanation:

PLZ HELP ME!!! THX :D

Answers

Answer:

x=6

MKL=37

Step-by-step explanation:

Answer:

Step-by-step explanation:

1. because U is between T and B

TU +UB = TB

2x+3x+1 =21

5x = 20

x= 4

mTU = 2x = 2*4 = 8

mUB = 3x+1 = 3*4 +1 = 12 +1 = 13

2.

m∠JKL = 59°

m∠MKL + m∠JKM = m∠JKL

5x+7 +2x+10 = 59

7x +17 = 59

7x = 59-17

x = 42/7 = 6

m∠MKL=5x+7 = 5*6 +7 = 30+7 = 37°

Midterm plss helpppppp

Answers

Answer:

we conclude that:

[tex]g\left(x\right)\:-\:h\left(x\right)\:=\:2x^2\:-\:3x[/tex]

Step-by-step explanation:

Given

[tex]h(x) = -3x[/tex][tex]g\left(x\right)\:=\:2x^2[/tex]

We have to determine [tex]g\left(x\right)\:-\:h\left(x\right)\:=\:2x^2\:-\:3x[/tex]

so

[tex]g\left(x\right)\:-\:h\left(x\right)\:=\:2x^2\:-\:3x[/tex]

Thus we conclude that:

[tex]g\left(x\right)\:-\:h\left(x\right)\:=\:2x^2\:-\:3x[/tex]

ASAP PLZ HELP ME with this

Answers

Answer:

40.9ft

Step-by-step explanation:

14+8+10+8.9 = 40.9

bottom side is 14 because the shape on the left is a rectangle so it will have 10 ft on the bottom as well as top that you have to add on top of the 4ft from the triangle.

what percent of 15 is 15% of 20​

Answers

Answer:

20 %

Step-by-step explanation:

15% of 20 is 3, and 3 is 20% of 15

FREE BRAINLEST Reagan has a rectangular bedspread that measures 238 centimeters by 435 centimeters. She wants to sew a fringe around the edge of the bed spring.



what length of ringe dose Reagan need to purchase=1346 centimeters



Reagan gets a new bedspread that is 27 centimeters longer.

what length of fringe dose reagen need for the longer beadspread?

Answers

Answer:

               I am only adding this so they can get the brainliest

                                            give it to them

Step-by-step explanation:

                            1400 cm                      They are correct!

           ~You could notify me, but they seem to know this more~

                                           Have a nice day!

                                                     ^ω^

-- XxFTSxX

Reagan needs to sew a 1346 centimeters fringe around the edge of the bed spring.

Given that, Reagan has a rectangular bedspread that measures 238 centimeters by 435 centimeters.

What is the perimeter of a rectangle?

The perimeter of a rectangle is the total distance of its outer boundary. It is twice the sum of its length and width and it is calculated with the help of the formula: Perimeter = 2(length + width).

Now, the perimeter = 2(238+435)

= 2×673

= 1346 centimeters

Therefore, Reagan needs to sew a 1346 centimeters fringe around the edge of the bed spring.

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Find the sale price of the item. Round to two decimal places if necessary.

Original price: $80.00
Markdown: 33%​

Answers

Answer:

24$

Step-by-step explanation:

A math test has 12 multiplication problems and 24 division problems.

What is the ratio value of multiplication problems to division problems?

Type your answer as a fraction in simplest form.

Answers

Answer:

12:24 = 1:2

Step-by-step explanation:

Since there are 12 multiplication problems, and 24 division problems, the ratio of multiplication and division problems are 12:24, now we need to put it in simplest form.

We need to find the highest number of which both are divisible by, 12 and 24 are both divisible by 12.

So 12÷12 = 1, and 24÷12 = 2, so 12:24 in simplest form is 1/2 or 1:2.

Answer:

1/2

Step-by-step explanation:

12 is half of 24. Therefore, the answer as a fraction in simplest form is 1/2.

y+6=1/3(x-3) into standard form

Answers

Answer:

[tex]x-3y=21[/tex]

Step-by-step explanation:

The standard form of a linear equation is [tex]Ax+By=C[/tex]

STEP 1: Multiply both sides by [tex]3[/tex].

STEP 2: Simplify [tex]3(y+6).[/tex]

STEP 3: Simplify again.

STEP 4: Rewrite the equation with the sides flipped.

STEP 5: Move all terms containing variables to the left side of the equation.

STEP 6: Move all terms not containing a variable to the right side of the equation.

Rearranging the equation given to conform with the standard form of an equation, the expression becomes -x + 3y = - 21

The standard form of expression a linear equation is given as :

Ax + By = C

Given the expression : y + 6 = 1/3(x - 3)

Multiply both sides by 3

3(y + 6) = x - 3

3y + 18 = x - 3

Move x and y to the same side and the constant to the other.

3y - x = - 3 - 18

-x + 3y = - 21

Hence, the standard form of the equation is - x + 3y = - 21

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