MATHEMATICS HIGH SCHOOL

1:2 = 4:8 The product of both the means and the extremes is

2
4
8
16

Answers

Answer 1
Answer:

Answer:

Cross Products Property of Proportions states that the product of the means is equal to the product of extremes.

i,e a : b : : c : d

Also, in the proportion the first (a) and the last terms(d) are called the extremes, whereas the second(b) and the third terms(c) are called the means.

Given the proportion:

1 : 2 = 4 : 8

First term = 1

Second term = 2

Third term = 4

Fourth term = 8

By definition;

The product of means = 1 * 8 = 8

The product of extremes =  2 * 4 = 8

Therefore, the product of both the means and the extremes is, 8
Answer 2
Answer: lets say you have x:y=z:t
the means are y and z
the extremes are x and t
we have
1:2=4:8
means=2 and 4
extrememes=1 and 8
product of means=2 times 4=8
the product of extremes=1 times 8=8

the answer is 8

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Answers

I hope this helps you

2 (x-4)=8
help me solve step by step

Answers

2(x-4)=8

Distribute

(2)(x)+(2)(-4)=8

2x-8-8

Now add 8 to both sides so you can find the value for x

2x-8+8=8+8

2x=16

Divide both sides by 2

2x/2=16/2

x=8


I hope that's help !

Complete the statements below about the graphs of y=-2x and y=x

Answers

Answer:

Compared to the graph of y = x, the graph of y = -2x is steeper.

Compared to the graph of y = x, the graph of y = -2x intersects the y-axis at the same point.

Compared to the graph of y = x, the graph of y = x + ⅔ is equally steep.

Compared to the graph of y = x, the graph of y = x + ⅔ intersects the y-axis at a higher point.

hiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiStep-by-step explanation:

Y = –x + 4
x + 2y = –8
How many solutions does this linear system have?

Answers

y = - x + 4
x + 2 ( -x + 4 )=-8
x- 2 x + 8 = -8
- x = - 8 - 8 
- x = - 16
x = 16
y = - 16 + 4
y = - 12
The system has one solution ( x, y ) = ( 16, - 12 ).

Answer:

Step-by-step explanation:

Y = –x + 4

x + 2y = –8

How many solutions does this linear system have

one solution: (8, 0)

one solution: (0, 8)

no solution

infinite number of solutions

On a coordinate plane, parallelogram A B C D has points (3, 6), (6, 5), (5, 1), and (2, 2).What is the area of parallelogram ABCD?

Answers

Answer: The area is about  13.01.

Step-by-step explanation:

so to do this we need to find the distance between these  points.And we do that by using the Pythagorean rule a^2 + b^2=C^2

(3,6) and (6,5)

3^2  + 1^2 = c^2

c= √(10)

(6,5) and (5,1)

1^2 + 4^2= √(17)

√(10) * √(17)= 13.038

Which quadratic equation defines the function that has zeros at -8 and 6?

Answers


Well, if 'y' has zeros at  x=6  and  x=-8,
then 'y' must be the product

                     y  =  (x - 6) (x + 8)

Perform the multiplication to get the quadratic function:

                     y  =  x² + 2x - 48
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