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3 years ago

6 cm equals how many mm?

Mathematics

1 answer:

olga nikolaevna [1]3 years ago

7 0

Answer:

it's 60 mm

Step-by-step explanation:

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Graph y = 3x - 3 and label the x- and y-intercepts. My answer: (0,3)

Lesechka [4]

The slope-intercept form of the linear function is y = m x + b , where m is the slope and b is y-intercept.
Here we have: y = 3 x - 3
a ) When y = 0
0 = 3 x - 3
- 3 x = - 3
x = ( - 3 ) : ( - 3 )
x = 1
When x = 0
y = 3 * 0 - 3
y = - 3
So x - intercept is ( 1, 0 ) and y-intercept is ( 0, - 3 ).
b ) The slope:
m = ( y2 - y1) / ( x2 - x1 ) =
= ( - 3 - 3 ) / ( 5- 7 ) = ( - 6 ) /( - 2 ) = 6 / 2 = 3
Answer: The slope m = 3 .

5 0

3 years ago

PLEASE HELP 11 POINTS

Free_Kalibri [48]

Answer:

It should be 87.92

Step-by-step explanation:

4 0

3 years ago

The school choir is going on a trip. They plan on bringing 100 total bottles of water and juice with them. Each bottle of water

jarptica [38.1K]

Answer:

40 bottles of juice

60 bottles of water

Step-by-step explanation:

let w represent water, let j represent juice. set up a system of equations:

w+2j=140

w+j=100

isolate the w by itself on the bottom equation:

w=100-j

solve the top equation by substitution, substituting 100-j for w:

w+2j=140

100-j+2j=140

100+j=140

j=40

this means that they bought 40 bottles of juice.

to find the amount of bottles of water the bought, substitute 40 for j in either of the equations (i did it in the bottom one, because it's easier):

w=100-j

w=100-40

w=60

so, they bought 60 bottles of water.

5 0

3 years ago

Nonlinear Systems of Equations

zheka24 [161]

The square root and cube root identities are proved.

According to the statement

we have to find that the use of the square root identity (x − y)2 = x2 − 2xy + y2

And use of cube root identity a3 + b3 = (a + b)(a2 − ab + b2).

So, For this purpose, we know that the

A. Let us assume the two conditions.

So,

2x + 3y = 6 -(1)

4x + 7y = 8 -(2)

Here we use elimination method

So, Multiply 4 with (1) and 2 with (2)

8x + 12y = 24

8x + 14y = 16

Now eliminate x from these equations

-2y = 8

here y is -4.

and the x become

2x + 3y = 6

2x -12 = 6

2x = 18

x = 9.

B. For the use of identity $(x- y)^{2} = x^{2} - 2xy + y^{2}$

Let us assume a number 26 and 28 then fill it in the condition then

$(28- 26)^{2} = 28^{2} - 2(28)(26) + 26^{2}$

Then

$(28- 26)^{2} = 784 - 1456 + 676$

$(28- 26)^{2} = 4$

And we have to prove the cube root identity then

The identity is

$a^{3} + b^{3} = (a + b)(a^{2} - ab + b^{2})$

Then let us assume the number 8 and 9 then

$a^{3} + b^{3} = (a + b)(a^{2} - ab + b^{2})$

$8^{3} + 9^{3} = (8 + 9)(8^{2} - 8*9 + 9^{2})$

$8^{3} + 9^{3} = (17)(64 - 72 + 81)$

$8^{3} + 9^{3} = (17)(73)$

$8^{3} + 9^{3} = (1241)$

Hence by this way we prove the square and cube root identities.

So, The square root and cube root identities are proved.

Learn more about square root and cube root here

brainly.com/question/661780

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3 0

2 years ago

PLEEEEASE show each and every step of how you solve I will make you the branliest of the brainliiest if you do and I mean EACH a

Ulleksa [173]

Since the value of b is 5, hence the equation of the horizontal line is x = 5

<h3>Equation of a line</h3>

A line is defined as the shortest distance between two points. The given line on the xy plane is a horizontal line.

The equation of a line is expressed as y = mx + b where;

m is the slope

b is the y -intercept

The equation of a horizontal line on the other hand is expressed as x = b

where b is the point where the horizontal line crosses the y-axis.

Since the value of b is 5, hence the equation of the horizontal line is x = 5

Learn more on equation of horizontal line here: brainly.com/question/25081736

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5 0

2 years ago

6 cm equals how many mm?​

6 cm equals how many mm?