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Marta_Voda [28]
3 years ago
6

Sorry if the lighting is bad it's about number lines no links

Mathematics
1 answer:
sweet-ann [11.9K]3 years ago
5 0

1st graph all the negative & positive numbers

The opposite of 2 is -2 because it's a negative number ( opposite of 2 )

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Ms. Snyder is giving a 28-question test that is made up of multiple choice questions worth 2 points each and open response quest
zlopas [31]

Answer:

x *2 + (28-x)*4 = 100

Step-by-step explanation:

Given

Total number of questions in the paper = 28

Out of these 28 questions let us say that x number of questions are of 2 points and 28-x questions are of 4 points.

Also, the complete test is of 100 marks

Thus, the linear equation representing the

x *2 + (28-x)*4 = 100

8 0
3 years ago
Ernesto lives8 blocks from the school. How many blocks does he travel to and from school every day for one week?
postnew [5]

Answer:

80 blocks

Step-by-step explanation:

since its 5 days of school (mon. , Tues., wed., thurs., fri.,) and he travels 8 blocks to school and from school which would be a total of 16 blocks a day, 5 days of school times 16 blocks a day would be 80 blocks a week (5×16)

6 0
3 years ago
The temperature in some region of Alaska equals 15 F. Convert this temperature to Celsius.
sergij07 [2.7K]
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7 0
3 years ago
Evaluate 6 - 2(-1) + l -5 l =​
zaharov [31]

Answer:

13 is your answer.

Step-by-step explanation:

What you do is PEMDAS

6-2(-1)+|-5|=

6+2+|-5|=

8+5=

13 is your answer.

6 0
3 years ago
Can anyone please help me with this?
kotykmax [81]

y^4+12y^2+36=(y^2)^2+12y^2+36\\\\\text{substitute}\ y^2=t\\\\t^2+12t+36=t^2+2\cdot t\cdot6+6^2\leftarrow\text{It's a perfect square}\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\=(t+6)^2=(t+6)(t+6)\\\\\text{we're going back to substitution}\\\\=(y^2+6)(y^2+6)\\\\(\sqrt6)^2=6\to(i\sqrt6)^2=-6\\\\\text{therefore}\\\\=(y^2-(i\sqrt6)^2)(y^2-(i\sqrt6)^2)\\\\\text{use}\ a^2-b^2=(a-b)(a+b)\\\\=\boxed{(y-i\sqrt6)(y+i\sqrt6)(y-i\sqrt6)(y+i\sqrt6)}

6 0
4 years ago
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