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2 years ago

Write the Zero Property of Multiplication as a division principle

1 answer:

6 0

Zero property of multiplication is defined as “when we multiply any number by zero, the resulting product is always a zero”.

Pls mark brainliest

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What is the solution to the system of equations?

timama [110]

Answer:

x=-1 and y=4

Step-by-step explanation:

y=-3x+1

2x+5y=18

Put x and y on the same side for 1st equation

3x+y=1

2x+5y=18

Multiply top by -5

-15x-5y=-5

2x+5y=18

Add both equations onto each other

-13x=13

x=-1

Plug x=1 into any equation used

2(-1)+5y=18

-2+5y=18

5y=20

y=4

8 0

4 years ago

The measure of one angle in a parallelogram is 10 degrees less than 2.5 times the measure of the other angle. What is the measur

Lady bird [3.3K]

Answer:

Sum of the angles = 360 degrees.

-----

Let the two larger angles have measure "x":

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Then the two smaller angles have measure "0.25x":

Step-by-step explanation:

8 0

3 years ago

What are the mean and mode of the following data set? 59 16 57 46 58 21 36 41 23 64 20 66 40 51 28 46 a. mean: 43.5, mode: 46 b.

Dvinal [7]

Answer:

$\boxed{ \bold{ { \boxed{ \sf{mean \: = \: 42 \: , \: mode = 46}}}}}$

Option B is the correct option.

Step-by-step explanation:

Given data:

59 , 16 , 57 , 46 , 58 , 21 , 36 , 41 , 23 , 64 , 20 , 66 , 40 , 51 , 28 , 46

Σx ( sum of the items ) = 672

N ( total number of items ) = 16

Finding the mean

$\boxed{ \sf{mean = \frac{sum \: of \: the \: items}{total \: number \: of \: items}}}$

$\longrightarrow{ \sf{ \frac{672}{16} }}$

$\longrightarrow{ \sf{42}}$

Mean = 42

Finding the mode

In the given data , 46 has the highest frequency.

So, mode = 46

Hope I helped!

Best regards! :D

6 0

3 years ago

A quadratic equation is shown below: 4x2 − 12x + 9 = 0

lys-0071 [83]

A)

The discriminant (radicand) is √(b^2-4ac), let us call this "d" for the discriminant.

If:

d<0, there are no real solutions (though there are two imaginary ones)

d=0, there is one real solution

d>0, there are two real solutions.

In this case, d=12^2-4(4)9

d=144-144

d=0

So there is one real solution.

B)

9x^2-30x+25=0

9x^2-15x-15x+25=0

3x(3x-5)-5(3x-5)=0

(3x-5)(3x-5)=0

(3x-5)^2=0

x=5/3

x=1 2/3

6 0

3 years ago

In a circle with center P and radius 10cm. If one of the chord is of length 12 cm.

juin [17]

Look at the attachment

The line bisects the cord which we have to find