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Svetach [21]
2 years ago
10

How do you know that these mixtures would make the same shade of light blue paint

Mathematics
1 answer:
andre [41]2 years ago
6 0

Answer:

you don't you just try it numnut

Step-by-step explanation:

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Write the number 2.4 in the form a divided by b, using integers, to show that it is a rational number.
nadezda [96]
2.4= 2 4/10 which simplifies to 2 2/5
5 0
3 years ago
Read 2 more answers
What is the total cost of a $150.00 necklace if the sales tax is 6.5%
LiRa [457]
The best thing to do is to find what 1% is, and you can do this by dividing 150 by 100.
150/100= 1.5
As you're looking for 6.5%, you've got to multiply 1.5 by 6.5
1.5*6.5= 9.75
You've then got to add 9.75 and 150 together
150+9.75= $159.75
Therefore, after the sales tax, the cost of the necklace is $159.75 
Hope this helps :) 
4 0
3 years ago
I NEED HELP PLEASE If given the following Graph; Andre earns $4000 a month at his new job. In order to track his spending and sa
melisa1 [442]

Answer:

You would need to multiply 0.33 and 4,000 to find the rent.

Step-by-step explanation:

hope this helps:)

5 0
2 years ago
Breifly describe the rules of multiplying and dividing integers
Ivan

Answer:

Just multiply the absolute values and make the answer positive. When you multiply two integers with different signs, the result is always negative. Just multiply the absolute values and make the answer negative. When you divide two integers with the same sign, the result is always positive.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
-6x+5y+2z=-11<br> -2x+y+4z=-9<br> 4x-5y+5z=-4
AlladinOne [14]

Answer:

[4, 3, -1]

Explanation:

When solving systems of equations in three variables, pick two equations to work with first, solve for both variables, plug them into one of the equations you first started on, then in the end, put them altogether:

{-6<em>x</em> + 5<em>y</em> + 2<em>z</em> = -11 ←

{-2<em>x</em> + <em>y</em> + 4<em>z</em> = -9 We can eliminate the<em> </em><em>y-</em><em>values</em><em> </em>obviously

{4<em>x</em> - 5<em>y</em> + 5<em>z</em> = -4 ←

{-6<em>x</em> + 5<em>y</em> + 2<em>z</em> = -11

{4<em>x</em> - 5<em>y</em> + 5<em>z</em> = -4

___________________

-2<em>x</em> + 7<em>z</em> = -15

- 7<em>z</em> -7<em>z</em>

______________

-2<em>x</em> = -15 - 7<em>z</em>

___ ________

-2 -2

<em>x</em> = 7½ + 3½<em>z</em>

-2[7½ + 3½<em>z</em>] + <em>y</em> + 4<em>z</em> = -9

-15 - 7<em>z</em> + <em>y</em> + 4<em>z</em> = -9

-15 - 3<em>z</em> + <em>y</em> = -9

+15 + 15

_______________

-3<em>z</em> + <em>y</em> = 6

+3<em>z</em> + 3<em>z</em>

<em>y</em> = 6 + 3<em>z</em> [Plug in -1 for <em>z</em><em> </em>to give you the y-value of 3; 3 = <em>y</em>; since you now have both <em>z</em><em> </em>and <em>y</em><em> </em>terms, plug in these terms back into all three equations above to get the x-value of 4.]; 4 = <em>x</em> ⤻

-6[7½ + 3½<em>z</em>] + 5[6 + 3<em>z</em>] + 2<em>z</em> = -11

-45 - 21<em>z</em> + 30 + 15<em>z</em> + 2<em>z</em> = -11

-15 - 4<em>z</em> = -11

+15 + 15

_____________

-4<em>z</em> = 4

___ __

-4 -4

<em>z</em> = -1 [Plug this into the equation for <em>y</em>]⤻

I am joyous to assist you anytime.

3 0
3 years ago
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