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Korolek [52]
3 years ago
12

Combine like terms to create an equivalent expression: 4z-(-3z)

Mathematics
2 answers:
nordsb [41]3 years ago
3 0
The answer is:  " 7z " .
____________________________________________________

<u>Note</u>:  " 4z - (-3z)  = ? " ; 

Note that "subtracting a negative" is the same thing as "adding a positive" ;

→  " 4z - (-3z)  = 4z + 3z = 7z .
____________________________________________________
The answer is:  " 7z " .
____________________________________________________
charle [14.2K]3 years ago
3 0

7z. 2 negs make a pos. But two wrongs do not make a right.

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Pls help I don’t get what dis teacher even wants bro
Kaylis [27]

Answer:

5 cups of flour.

Step-by-step explanation:

I know the wording of the problem may be confusing at first, but if you look at it a little bit, it's just multiplication and division.

To start,

12 biscuits require 2 cups of flour,

meaning that 6 biscuits (half of the original) only require 1 cup.

<u>(12/2 = 6)</u>

Next,

We need to find how much flour is in 30 biscuits.

We know that 1 cup is in 6 biscuits, and if you were to find how much was in 30 biscuits, you would just need to divide 30 by 6.

<u>(30/6 = 5)</u>

5 cups of flour would be your answer.

To put it mathematically,

(12/2 = 6), (30/6 = 5)

8 0
11 months ago
A rectangular lot is 115 yards long and 70 yards wide give the length and width of another rectangle lot that has the same perim
s2008m [1.1K]

Answer:165 length 20 width

3 0
3 years ago
(2,3), (4,-7) midpoint
Gnoma [55]

Answer:

(3, -2)

Step-by-step explanation:

2+4 = 6

3-7 = -4

6/2 = 3

-4/2 = -2

8 0
2 years ago
Please answer this correctly
yanalaym [24]
22 is the answer to this math problem
8 0
3 years ago
If vector u = &lt;-3.5, -1.5&gt; and vector v = &lt;-1.25, 2.25&gt;, which graph shows the resulting vector for 2v − u?
Sedaia [141]

Answer:

D

Step-by-step explanation:

We know that vector addition is scalar addition.

Given vectors are u = <-3.5, -1.5> and v = <-1.25, 2.25>

2v = < -2.5, 4.5>

2v - u = < -2.5, 4.5> - <-3.5, -1.5> = < -2.5 - (-3.5) , 4.5 -(-1.5) >

2v-u = < 1 , 6 >

This vector is basically i + 6j which is drawn in option D

8 0
3 years ago
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