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I am Lyosha [343]
3 years ago
11

2z-1/3- 3z+1/5=1 z=? Have a good Earth day!

Mathematics
1 answer:
IgorC [24]3 years ago
6 0

Answer:

Z=23

Step-by-step explanation:

Multiply both sides of the equation by 15, the least common multiple of 3,5.

Use the distributive property to multiply 5 by 2z−1.

Use the distributive property to multiply −3 by 3z+1.

Combine 10z and −9z to get z.

Subtract 3 from −5 to get −8.

Add 8 to both sides.

Add 15 and 8 to get 23.

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djverab [1.8K]

B) the additive inverse of -3 is +3, so 17-(-3) = 20 is your answer.

Remember, two negatives = one positive, and so:

- (-3) = 3

17 + 3 = 20

Therefore, B is your answer

hope this helps

8 0
3 years ago
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If Myron receives 10 votes from his class of 25 students what percentage does he receive
Vsevolod [243]

Answer:

Myron received 40% votes.

Step-by-step explanation:

Myron receives 10 votes from his class of 25 students and we have to calculate the percentage of the vote received.

Now we will use unitary method to calculate the percentage.

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∴ Out of 1 student Myron received votes = 10/25 students

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Myron received 40% votes.  

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3 years ago
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Mrs.smith paid $125 to have her hair colered and cut.if she tips her hairdresser 15% of her bill how much was the tip
rewona [7]
125 divided by 100 is 1.25, 1.25 times 15 is 18.75.She tips $18.75
5 0
3 years ago
Need this answer asap giveing 20 points!
katen-ka-za [31]

Answer:

ok um what’s the question?

6 0
3 years ago
Please help, it'll be appreciated and if possible, I'll give brainliest
aleksandr82 [10.1K]

Step-by-step explanation:

See the attached image.  I numbered angles differently so as not to make an <u>assumption</u> that angles numbered the same are congruent.

\overline{AB} \parallel \overline{CD}\\\angle1 \cong \angle3 (alternate interior angles are congruent)

\overline{AD} \parallel \overline{BC}\\\angle 2 \cong \angle 4 (alternate interior angles are congruent)

\overline{AB} \cong \overline{CD}  (opposite sides of a parallelogram are congruent)

\triangle{ABO \cong \triangle{CDO}  (ASA - side/angle/side)

\overline{AO} \cong \overline{CO}\\\overline{BO} \cong \overline{DO}  (corresponding parts of congruent triangles are congruent)

The diagonals bisect each other!

4 0
3 years ago
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