MATHEMATICS HIGH SCHOOL

Solve the following
2(x+3) = x-4

Answers

Answer 1

Answer:

Answer:

x= -10

Step-by-step explanation:

2(x+3)=x-4

2x+6=x-4

-x. -x

x+6=-4

-6. -6

x=-10

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Pentagon PQRST and its reflection, pentagon P'Q'R'S'T', are shown in the coordinate plane below:Pentagon PQRST and pentagon P prime Q prime R prime S prime T prime on the coordinate plane with ordered pairs at P negative 4, 6, at Q negative 7, 4, at R negative 6, 1, at S negative 2, 1, at T negative 1, 4, at P prime 4, 6, at Q prime 7, 4, at R prime 6, 1, at S prime 2, 1, at T prime 1, 4.

What is the line of reflection between pentagons PQRST and P'Q'R'S'T'?

x = 0
y = x
y = 0
x = 1

Answers

I have graphed the given coordinates of both pentagons. The reflection was across the y-axis where coordinates of Pentagon PQRST (-x,y) resulted to Pentagon P'Q'R'S'T' (x,y). The line of reflection between the pentagons was x = 0. Line of reflection is the midway between the pre-image and its reflection.

Yes, the answer is A. x=0. Another way to say "reflect across the y-axis" is to say "reflect across the line x=0" since the line created by graphing x=0 is the same as the y-axis. An image that is a reflection across the y-axis, or across the line x=0, will have opposite x-coordinates from the pre-image but identical y-coordinates. In other words, the x value points just changed signs from negative to positive values since it went through the rule (x, y) → (−x, y).

Compare new france and the 13 colonies in the terms of population, government and economy

Answers

Answer:

5 or

Step-by-step explanation:

Jerry bought a bottle of perfume for a gift for his wife.The perfume cost $92 before tax.

If the total price including tax was $98.90, find the tax rate.

Answers

First, you need to find how much money the tax was (98.90-92=6.9) Then, divide the tax by the price without the tax to find the tax rate (6.9/92=.075) then multiply the answer by 100 (.075*100=7.5)The tax rate is 7.5%

I am greater than 4 tens and less than 5 tens I have 9 ones what number am I?

Answers

$x\ \in(40;50)\ \ \ and\ \ \ x=10p+9,\ \ \ p\in I+\n\nx=49\n\nAns.\ The\ number\ is\ 49$

A restaurant sells 10 tacos for $8.49 or 6 of the same kind of taco for $5.40 which is a better deal

Answers

Answer:

10 for 8.49

Step-by-step explanation:

With the 6 for 5.40 each taco is 90 cents. With 10 for 8.49 each taco is Around 85 cents.

Answer:

The 6 taco deal is better

Step-by-step explanation:

The 6 taco pack is a better deal. This is because the 10-pack has a unit rate of about $8.00 per taco, and the 6-pack has a unit rate of about $5.00 per taco.

What is the approximate volume of a cylinder with a diameter of 10 meters and a height of 5 meters