MATHEMATICS MIDDLE SCHOOL

Which system of equations could be graphed to solve the equation below?log (2 x + 1) = 3 x minus 2


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Which system of equations could be graphed to solve the - 1

Answers

Answer 1
Answer:

Answer:

\left\{\begin{array}{l}y_1=\log (2x+1)\n \ny_2=3x-2\end{array}\right.

Step-by-step explanation:

Given the equation

\log (2x+1)=3x-2

This equation consists of two parts. In the left part, there is a logarithmic function y=log (2x+1)

In the right part, there is a linear function y=3x-2

To solve the equation graphically, you have to plot the graphs of these two functions and find the point of intersection of these graphs.

Hence, appropriate system is

\left\{\begin{array}{l}y_1=\log (2x+1)\n \ny_2=3x-2\end{array}\right.
Answer 2
Answer:

Answer:

b

Step-by-step explanation:

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Please help me math questions

Answers

w - 9 - (-1) > 3

To solve the inequality, we have to get w by itself on one side of the greater than sign, which will give us the answer.  So we start by simplifying the left side of the equation.  When you subtract a negative, you simply add, so the inequality becomes...

w - 9 + 1 > 3

Now combine like terms

w - 8 > 3

Now add 8 to each side to get w by itself

w > 11

This means that to keep the inequality true, w can be any number greater than 11.

Bobby catches 8 passes in 3 football games.at this rate,how many passes does he catch in 15 games

Answers

Answer:

40 games

Step-by-step explanation:

We can use ratios to solve

8 passes        x passes

--------------- = -----------

3 games         15 games

Using cross products

8 * 15 = 3 *x

120 = 3x

Divide each side by 3

120/3 = 3x/3

40 = x

Answer:

Bobby catches 40 passes

Step-by-step explanation:

(8 ÷ 3) × 15

8 ÷ 3 is to find how many passes Bobby catches per game.

Multiply the catches per game by 15 to find the total catches.

Hope this helps!

What is 3(g-7)=2(10+g)

Answers

3(g-7)=2(10+g)\n \n3g-21=20+2g\n \n3g-2g=20+21\n \ng=41\n \nAns.\ g=41
3g-2g-21=20+2g-2g
g-21+21=20+21
g=41

SOMEONE PLEASE HELP ITS URGENT!!The prism has a volume of 120 cm3.

What would the volume of the prism be if each dimension were halved?

Answers


The volume of the prism is  (Length x Width x Height).
To make it easier to work with, let me write (L x W x H).

If you cut each dimension in half, then the volume is

       (1/2 x L) x (1/2 x W) x(1/2 x H) .

It's pretty easy to rearrange that, and see what's going on:

               1/2 x L x 1/2 x W x1/2 x H =

         (1/2 x 1/2 x 1/2) x (L x W x H)  = 

                ( 1/8 )        x (original volume) =

                 ( 1 / 2³ )  x  (original volume)

Here's the general rule:

If you multiply all the linear dimensions of a drawing OR an object
by some factor 'K' , then

-- all of the linear features, like perimeter, diagonal, circumference,
diameter etc. are all multiplied by  'K' .

-- the 2-dimensional things on it, like area of the drawing, or surfaces
of a prism, sphere or any blob, are all multiplied by  K² .

-- the 3-dimensional features, like volume of any prism, pyramid,
sphere, blob, ellipsoid, cylinder etc. are all multiplied by  K³ .
if the volume of the prism were halved it would be 140

I really need help on this one...ASAP!I will try to answer your questions if you answer this soon asap! PLZZZZ!!!

What would a equal if 4(a+12) was 32?

Answers

4(a+12)=32
4a+48=32
4a=-16
a=-4
4(a+12)=32\n a+12=8\n a=-4

The front of an A-frame house is in the shape of a triangle.The height of the house is 20 feet.The area of the front of a A-frame is 600 square feet. Write and solve an equation to find the base of the A-frame house.

Answers

600 divided by 20=30
30x2=60 which is the answer

equation= 600=2x area divied by height 
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