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3 years ago

How much is the tree worth?

Mathematics

1 answer:

noname [10]3 years ago

8 0

Answer:

Step-by-step explanation:

Deer = snow flake = 4

4 + 4 + 4 = 12

Dear - 3 = 1

Snowman = 1

Tree = 8

8 + 1 (snowman) + 8 = 17

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3x^2+7x-24=13x Please help me

vovikov84 [41]

Step 1. Move all terms to one side.

$3 x^{2} +7x-24-13x=0$

Step 2. Simplify $3 x^{2} +7x-24-13x=0$ to $3 x^{2} -6x-24$

$3 x^{2} -6x-24=0$

Step 3. Factor out the common term 3

$3( x^{2} -2x-8)=0$

Step 4. Factor $x^{2} - 2^{x} -8$

1. Ask: Which two numbers add up to -2 and multiply to -8?

2. Answer: -4 and 2

3. Rewrite the expression as $(x-4)(x+2):$

$3(x-4)(x+2)=0$

Step 5. solve for $x$

1. Ask: When will $(x-4)(x+2)$ equal zero?

2. Answer: When $x-4=0$ or $x+2=0$ 

3. Solve each of the 2 equations above:

 $x=4,2$

Done! :) $x=4,2$ is your answer.

3 0

4 years ago

Question 8 plz show ALL STEPS

algol13

Answer:

Substitute the functions and the value of the functions.

Step-by-step explanation:

Doing all will be long, so i'll present a and d

Here,(no a)

f(x)=3x-1, g(x)=x^2+2

Now,

f(g(x))=f(x^2+2)=3(x^2+2)-1=3x^2+6-1=3x^2+5

g(f(x))=g(3x-1)=(3x-1)^2+2=9x^2-6x+1+2=9x^2-6x+3

Here, (no d)

f(x)=x^2-9, g(x)=√(x+4)

Now,

f(g(x))=f(√(x+4))=(√(x+4))^2-9=x+4-9=x-5

g(f(x))=g(x^2-9)=√(x^2-9+4)=√(x^2-5)

3 0

3 years ago

What were the dimensions of the original photo?

never [62]

Answer:

11 inches by 11 inches

Step-by-step explanation:

I think your question is missed of key information, allow me to add in and hope it will fit the original one.

Please have a look at the attached photo.

My answer:

Given the information:

The area of the reduced photo is 64 square inches
The equation $(x-3)^{2}$ = 64 where x is the the side measure of the original photo.

Let us solve for x by taking positive square root of both sides.\

$\sqrt{(x-3)^2}=\sqrt{64}\\\sqrt{(x-3)^2}=\sqrt{8^2}\\x-3=8$

<=> x = 11

So the dimensions of the original photo is 11 inches by 11 inches

We choose A

Hope it will find you well.

6 0

3 years ago

ben drives from a 36- foot platform. The equation h= -16t^2+14t+36 models the dive. How long will it take Ben to reach the water

Valentin [98]

So you want to plug in the height for h and solve for t

36 = -16t^2+14t+36
So you get 14/16 which simplifies to
7/8 seconds

Hope this helped!

6 0

3 years ago

Solve using the division algorithm 57.27 divided by 23

GenaCL600 [577]

Answer:

2.49

Step-by-step explanation:

57.27 / 23 = 2.49

5 0

3 years ago