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WARRIOR [948]
3 years ago
8

Adding and subtracting percents of quantity

Mathematics
1 answer:
Vaselesa [24]3 years ago
3 0

Huh ? Rephrase that

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Help !! Pleaseeeeeeeee
marysya [2.9K]

Answer:

Step-by-step explanation:

arc BE is the same as the interior angle, or 76°

BE = 76 °

we can also find arc CE the same way,  b/c we can see that the interior angle is the suppment with 76  or   180-76 = CE  or 104°

Now we know all the arcs but arc CD

so use the idea that all the way around the circle is 360°

360 = 76 + 104 + 140 + CD

360 - 76 - 104 - 140 = CD

40 = CD

CD = 40 °

7 0
3 years ago
What is the sum of (–2.1x + 3.7) and (5 + 4.9x)?
adoni [48]
Combine like-terms
-2.1x and 4.9x = 2.8x
3.7 and 5 = 8.7
2.8x + 8.7 is your final answer.
3 0
3 years ago
Read 2 more answers
Given: A regular hexagon; M is the midpoint of angle NO and RP. Prove: Angle NRM = Angle OPM
gavmur [86]

Answer:

Step-by-step explanation:

Since it is a regular hexagon, the length of its sides are equal. And same as the distance across its flats.

So that;

NR ≅ OP (property of a regular polygon)

PM ≅ RM (half of the distance across flats of a polygon)

NM ≅ OM (half of the distance across flats of a polygon)

<NMR ≅ <PMO (vertically opposite angles)

<NRM ≅ <OPM (alternate angle property)

<RNM ≅ <POM (alternate angle property)

This therefore proves that: ΔNRM = ΔOPM

3 0
2 years ago
Four students have applied to a special program and only one can be accepted. They have taken a battery of 12 tests and all have
irga5000 [103]

Answer:B

Step-by-step explanation:

Given

Every student secure same average score

Standard deviation is denoted by \sigma

\sigma _A=3.12

\sigma _B=0.27

\sigma _C=13.45

\sigma _D=6.45

Consistency is criteria of acceptance then Student should be selected the standard deviation is least for student B.

Standard deviation tells how a data varies from mean Position .

More Deviation from mean indicates less consistency .

6 0
3 years ago
Can anyone help me pls. Show your work.
nekit [7.7K]

Answer:Do you have a pic of the map? It would  make it easier to solve if I could see the map. Its basic area. A=base times height. If the park is 50 m long and is a square, you would do 50 times 50=2500

tep-by-step explanation:

4 0
3 years ago
Read 2 more answers
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