MATHEMATICS HIGH SCHOOL

An artist is creating a large painting from a photograph by dividing the photograph into squares and dilating each square by a factor of 4. If the photograph is 4 in. by 6in., what is the perimeter of the painting? HELP PLEASE!!

Answers

Answer 1

Answer:

Answer:

20in

Step-by-step explanation:

the perimeter is 20in because you must add all for sides of the large painting

6+6+4+4=20in

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Using the drawing, how would you classify angles 9 and 10? A. Reflex

B. Obtuse

C. Adjacent

D. Vertical

Answers

The answer is D, I guess. Hope this helps
:)

(please help me out D: ) (I screenshot the question and answer)

Answers

To find the perimeter, you need the lengths of all 3 legs,
and then you add them up.

Can you find the lengths of the other 2 sides of that triangle ?

Here are a couple of factoids I learned in 1954 and I never forgot:

In a 30°- 60°- 90° right triangle . . .

-- the side opposite the 30° angle (the shorter leg)
is 1/2 the length of the hypotenuse,
and
-- the side opposite the 60° angle (the longer leg)
is (1/2 the length of the hypotenuse) times (√3).

If you have a 30°- 60°- 90° triangle and you know the length
of any one side, then you can find the lengths of the other
two sides with these amazing factoids.

Which ordered pair is a solution to the system of equations? Use any method to solve. 2x-y=5 3x+2y=4

Answers

Elimination

2 ( 2x -y=5) multiply = 4x -2y=10
3x +2y=4

* add the X's and the 10 and 4 7x=14 * divide by 7 giving you

x=2

*and then plug back in

3(2) +2y =4
6 + 2y = 4
2y= -2
y= -1

the order pair is ( 2 , -1)

2x-y=5

3x+2y=4

We need to solve 2x-y=5 for y

Now let's start by adding -2x to both sides

2x-y-2x=5-2x

-y=-2x+5

Divide both sides by -1 so we eliminate the negative sign

-y/-1=-2x+5/-1

y=2x-5

Now substitute 2x-5 for y in 3x+2y=4

3x+2y=4

3x+2(2x-5)=4

3x+4x-10=4

7x-10=4

Add 10 to both sides

7x-10+10=4+10

7x=14

Divide both sides by 7 so we can find the value for x

7x/7=14/7

x=2

Now substitute 2 for x in y=2x-5 so we can find the value for y

y=2x-5

y=(2)(2)-5

y=4-5

y=-1

Answer: (2,-1)

I hope that's help:0

Select one of the factors of 3x2 + 4x − 4.
(x + 4)
(3x + 2)
(3x − 2)
(x − 2)

Answers

x-c where c is a number is a factor of the function if and only if the result of the operation gives a remainder is 0. It has been said that R is equal to the function of c. Calculation for this are as follows;

R = f(c) = 0 = 3x^2 + 4x - 4

Solving for x, we obtain

x = 2/3
x = -2

From the choices the answer is the 3rd option.

Answer:

(3x − 2)

Step-by-step explanation:

Given : $3x^2 + 4x - 4$