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Nata [24]
3 years ago
14

Evaluate −m2n+m2 when m=−4.

Mathematics
1 answer:
fgiga [73]3 years ago
4 0

Answer:

Does this answer your question − 16 n  +  16

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Please help me with this math problem, filling in the two-column proof with the reasons besides.
Sloan [31]

Step-by-step explanation:

1. ∠2 and ∠5 are supplementary

This is the information that was given in the problem statement.

2. ∠3 ≅ ∠2

∠2 and ∠3 are vertical angles, and therefore congruent.

3. ∠3 and ∠5 are supplementary

By combining statements 1 and 2, we can show through substitution that ∠3 and ∠5 are supplementary.

4. l || m

∠3 and ∠5 are consecutive interior angles.  By the converse of consecutive interior angles theorem, if consecutive interior angles formed by a transversal intersecting two lines are congruent, then the lines are parallel.

6 0
3 years ago
14% of all cell phone users use their phone for internet access. In a random sample of 10 cell
EastWind [94]

Answer:

if number of useres are take to be 100(example)

Step-by-step explanation:

total users=100

14% of total users=14

therefore probability=14/100

new probabiltity=(14/100)*(2/10)

3 0
3 years ago
Perry is 1.7 m tall.Convert this measure to dm
kipiarov [429]
❅If Perry is 1.7 m tall then he is going to be dm tall.
❅Think about it like this:
❅2.7 m is 27 dm.
❅Easy right?




5 0
3 years ago
Solve the equation. 3/4(x-12)=3 –12 9 16 20
tekilochka [14]

Answer:

<h2>          x = 16</h2>

Step-by-step explanation:

³/₄(x - 12) = 3        {multiply both sides by ⁴/₃}

x - 12 = 4             {add 12 to both sides}

 x = 16

8 0
3 years ago
PLZ HELP AND EXPLAIN THIS PLZ
AURORKA [14]

Answer:

A. <u>4</u> trucks will make $80 because 4 × 20 = 80, so they need to wash <u>38</u> cars to make the other $380 because 38 × 10 = 380.

($80 + $380 = $460)

B. <u>15</u> trucks will make $300 because

15 × 20 = 300, so they need to wash <u>16</u> cars to make the other $160 because 16 × 10 = 160. ($300 + $160 = $460)

C. <u>21</u> trucks will make $420 because

21 × 20 = 420, so they need to wash <u>4</u> cars to make the other $40 because 4 × 10 = 40.

($420 + $40 = $460)

D. <u>27</u> trucks will make $540, so they won't have to wash any cars because they would have already exceeded their goal of $460.

Not sure what to do for letter E. Sorry. I hope the rest makes sense though :)

7 0
3 years ago
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