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EastWind [94]
3 years ago
14

PLZ HELP ASAP!

Mathematics
2 answers:
Nataly [62]3 years ago
8 0
The answer is -7. Plug it in if you need to check
34kurt3 years ago
4 0
<span>To evaluate the given expression, we need the values of each variable and substitute these values to the expression. Then, go on with the operations involved.

</span>4x - y - 2z
4(-2) - (3) - 2(-2)
-8 - 3 + 4
-7
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Is xy = 1 a function
Mandarinka [93]
Yes it is a function

7 0
3 years ago
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PLEASE HELP ME ASAP I WILL MARK YOUR ANSWER THE BRAINLIEST !!
Stells [14]

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3 years ago
What is the answer to this i need help
ElenaW [278]

Answer:

f

Step-by-step explanation:

5 0
3 years ago
How are they getting the numerator and denominator for the fractions for the coordinates? PLEASE HELP ASAP!!!!! 20 POINTS!!!!
ycow [4]

Answer:

All except from point E's y-coordinate (which is -1.5 (found it through the equation y=-1.5 and trying to see if these coordinates are solutions to the above equation) All the others are integers, which you can find through aligning the point on the axis of the chosen (y or x) coordinate.

Step-by-step explanation:

Point C has -2 x-coordinate since it is on the x=-2 line

Similarly, point D has -2 y coordinate,

point E has 2 x-coordinate and -1,5 y-coordinate

and point F , since it's the two axis' common point has coordinates of (0,0).

Hope I helped! Further explanation can be given on request on your behalf.

5 0
3 years ago
Please help me, I'm really confused. Given that a ∥ b and m∠6 is 1/8 of m∠4, find m∠4 and m∠6.
ASHA 777 [7]

9514 1404 393

Explanation:

Finish the Given statement, make use of the relationships of angles and parallel lines, then finish the algebra.

__

2. m∠6 = (1/8)m∠4 . . . . Given

3. m∠6 + m∠4 = 180° . . . . 3. same-side interior angles are supplementary

4. m∠6 + 8·m∠6 = 180° . . . . 4. Substitution (from 2, above: 8·m∠6 = m∠4)

Here is the "algebra" that gets you to line 5:

4a. 9m∠6 = 180° . . . collect terms

4b. m∠6 = 20° . . . . . divide by 9

4c. m∠4 = 8·20° = 160° . . . use the same relation as in step 4

5. m∠6 = 20°, m∠4 = 160° . . . . Algebra

8 0
2 years ago
Read 2 more answers
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