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Brut [27]
2 years ago
14

Solve for z. –z + 4= -4

Mathematics
1 answer:
slega [8]2 years ago
6 0

Answer:

-z+4=-4

Step-by-step explanation:

First, you want to move the positive four to the other side to isolate the variable.

-z=-8

You cannot have a negative variable, so divide both sides by 1.

-z/1=-8/1

Your answer would be:

Z=8

Hope this helps!!

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Solve for x <br> Need help asap
vlabodo [156]

Answer:

x=55

Step-by-step explanation:

Corresponding angles of two parallel lines are always equal. The angle on "top" of 2x+6 corresponds with the angle marked as x+9. Therefore, its measure must also be x+9.

Since these two angles form one side of a line which has 180 degrees, we have the following equation:

2x+6+x+9=180

Combine like terms:

3x+15=180

Subtract 15 from both sides:

3x=165

Divide both sides by 3:

x=\frac{165}{3}=\boxed{55}

3 0
2 years ago
PLEASE HELP ASAP (MATH)<br> WRITE IN STANDARD FORM!
sveticcg [70]
  • Answer:

<em>3×10⁵</em>

  • Step-by-step explanation:

<em>Hi there !</em>

<em />\frac{9.6*10^{7}}{3.2*10^{2}}=\\ \\=3*10^{7-2}\\ \\=3*10^{5}<em />

<em>Good luck !</em>

6 0
2 years ago
Jethro walked at an average speed of 3 miles per hour for 2 hours. Randy walked at an average of 4 miles per hour for 3 hours. W
Vedmedyk [2.9K]
C.
IS the answer
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3 years ago
Twice a certain number is 58. 4 times that number will be <br> a) 4x58 b) 58 + 4 c) 58x2 d)8x58
irga5000 [103]

Answer:

c) 58x2

Step-by-step explanation:

Twice the number 29 is 58

So, 29 is related to 58

Therefore 29*4 = 58*2

4 0
2 years ago
Please help! I’ll also give brainliest! Thank you!
navik [9.2K]

Answer: Union of two sets.

Explanation: "An element is in the union of two sets if it is in the first set, the second set, or both. The symbol we use for the union is  ∪ . The word that you will often see that indicates a union is "or".

Your Welcome :-)

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2 years ago
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