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3 years ago

HELP ME PLEASE GEOMOTRY QUESTION

Mathematics

1 answer:

laila [671]3 years ago

7 0

Answer:

The last choice

Step-by-step explanation:

Because line segment AC is congruent to Line segment CB

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charlene has eight more dollars than megan. together they have $86.00. write an equation that could be used to determine the amo

xz_007 [3.2K]

Megan has 40 dollars sense charlene has 8 more dollars and the both have 86

5 0

3 years ago

Mr.Mole left his burrow and started digging his way down at a constant rate

Svetlanka [38]

Answer:

Mr. Mole is descending by 2.4 meters per minute

Step-by-step explanation:

Let

x ----> the time in minutes

y ---> the distance in meters

we know that

In this problem the rate of change or slope is the same that the speed

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

take two points from the table

(5,-18) and (8,-25.2)

substitute the values in the formula

$m=\frac{-25.2+18}{8-5}$

$m=-2.4\ meters\ per\ minute$ ---> is negative because is descending

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3 years ago

Find the zeroes of the quadratic polynomial 4x²-4x+1 and verify the relation between its zeroes and coefficients

FromTheMoon [43]

Answer:

A) zeros are x = ½ or x = ½

B) >> sum of zeros = (-Coefficient of x)/(Coefficient of x²)

>> Product of the zeros = Constant term/Coefficient of x²

Step-by-step explanation:

To find the zeros, we will equate the polynomial to zero.

Thus;

4x² - 4x + 1 = 0

Using quadratic equation, we can find the zeros.

x = [-(-4) ± √((-4)² - (4 × 4 × 1))]/(2 × 4)

x = (4 ± 0)/8

x = 4/8 and x = 4/8

Thus, zeros are x = ½ or x = ½

Now, to find the relationships between its zeroes and coefficients;

Sum of zeroes = ½ + ½ = 1

This is equal to -b/a = -(-4)/4 = 1.

Thus;

sum of zeros = (-Coefficient of x)/(Coefficient of x²)

Product of zeros = ½ × ½ = ¼

c/a = 1/4

This is equal to the product of the zeros.

Thus;

Product of the zeros = Constant term/Coefficient of x²

6 0

3 years ago

The following integers are listed in order from greatest to least. 10, 7, -3, -7

alexgriva [62]

Answer:

true

Step-by-step explanation:

negative numbers are smaller than positives and bigger negative numbers like -7 are lower than smaller negative numbers like -3

4 0

2 years ago

What are the like terms in the expression 7y + 4 +4x + 7

lorasvet [3.4K]

Answer:

4, 7

Step-by-step explanation:

7y + 4 +4x + 7

The only like terms are the constants 4 and 7

7y is like yogurt and 4x is like xrays, we don't mix them

7 0

3 years ago

Read 2 more answers