MATHEMATICS HIGH SCHOOL

Six years after a tree was planted, its height was 7 feet. Nine years after it was planted, its height was 16feet. Which of the following equations gives the heighty, in feet, of the tree after x years if the tree grows at
a constant rate? Check all of the boxes that apply.
y - 6 =3(x - 10)
y-16 = 3(x-9)
y = 3x - 11
y=-3x - 23

Answers

Answer 1

Answer:

I'm not good in this but.....

x = years

9x-6x = 16-7

3x = 9

x = 3

That means the tree will grow three feet per year.

❣️(◍Jess bregoli◍)❣️

#keep learning!!

Now,

10millions=1crore

20millions=1/10*20

=2crore

Ihopeit's help you...

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What is the area of rectangle PQRS?

Answers

The length of PQ = 3 + 4.5 + 2 = 9.5 inches.

The area is Length times width:

4.5 x 9.5 = 42.75 square inches.

The answer is D.

Add 2+4.5+2 and that is 9.5 PQ=9.5

multiply 4.5*9.5

that is 42.75 so the answer is D

Graph the line : y= -2/3x+4

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$y=-(2)/(3)x+4\n\nfor\ x=0\to y=-(2)/(3)\cdot0+4=4\to A(0;\ 4)\n\nfor\ x=6\to y=-(2)/(\not3_1)\cdot\not6^2+4=-4+4=0\to B(6;\ 0)$

x=0 => y =4 => A(0, 4)∈ Gf;
x = 1 => y = 10/3 => B(1, 10/3)∈ Gf;
Graph tle line AB.

At the newest animated movie, for every 99 9 children, there are 44 4 adults. There are a total of 3939 39 children and adults at the movie. How many children are at the movie?

Answers

Answer:

27 children.

Step-by-step explanation:

We are told that at the newest animated movie, for every 9 children, there are 4 adults. There are a total of 39 children and adults at the movie.

We can see that number of children is proportional to number of adults. So we will use proportions to solve for number of children at the movie.

$\frac{\text{Number of children}}{\text{Number of children + Adults}}=(9)/(4+9)$

$\frac{\text{Number of children}}{\text{Number of children + Adults}}=(9)/(13)$

Let us substitute number of children and adults in our proportion.

$\frac{\text{Number of children}}{39}=(9)/(13)$

Multiply both side of equation by 39.

$39*\frac{\text{Number of children}}{39}=39*(9)/(13)$

$\text{Number of children}=39*(9)/(13)$

$\text{Number of children}=3*9$

$\text{Number of children}=27$

Therefore, 27 children are at the movie.

Liam has a bag of b beads. He gives 20 beads to his sister. He then makes 4 necklaces with the same number of beads on each necklace using all of the remaining beads. Write an expression that represents the number of beads on each necklace. Show your work.

Answers

The expression in one variable b that shows the number of beads on each necklace is (b-20)/4

What is an expression in one variable?

An expression in one variable is a statement formed by the using constants and an unknown variables and mathematical operators but sign is equal to is not used. Expression in one variable is linear if the power of the unknown variable is equal to one .

Standard form of linear expression in one variable x is ax +b , where a and b are constants .

Given that Liam has a bag of b beads

He gave 20 beads to his sister

Then, remaining beads = b -20

Remaining beads are used to make 4 necklaces

Let the beads on each necklace be x

Then beads in four necklaces = 4x

As, Remaining beads = beads in four necklaces

⇒4 x = b - 20

Dividing the equation by 4 on both sides

⇒ x = (b-20)/4

∴ The expression that shows the number of beads on each necklace is (b-20)/4

Also, Learn more about the expressions in one variable from the link below:

brainly.com/question/17272650

#SPJ1

Answer:

Step-by-step explanation:

just do 20 divided by 4 and you will get 5. Also, do 5x4 to make sure you let your teacher know that you got the right answer.

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Silvio works at a car wash. He earns $50 per day and $12 per car washed. Silvio wants to earn at least $158 in 1 day.Which inequality represents the number of cars (C) Silvio must wash to reach his goal?

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2 crore are there in 20 million.

❣️(◍Jess bregoli◍)❣️

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What is an expression in one variable?

just do 20 divided by 4 and you will get 5. Also, do 5x4 to make sure you let your teacher know that you got the right answer.