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lina2011 [118]
3 years ago
7

Which expressions are equivalent to 2(25)? 2(20 + 15) 2(10 + 15) 2(2 + 5) 2(20 + 5)

Mathematics
1 answer:
jenyasd209 [6]3 years ago
3 0
B) 2(10+15) would be correct :)
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Find the mode 9,10,15,17,15,14,37,45,42,13
Alik [6]

answer:

15

step-by-step explanation:

9, 10, 15, 17, 15, 14, 37, 45, 42, 13

  • mode means the number that appears the most
  • in the set of numbers, 15 appears twice, which the others appears only once
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A construction worker drops a hammer while building the Grand Canyon skywalk 4,000ft above the Colorado River. Use the formula t
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15.8

Step-by-step explanation:

We are asked to find how many seconds it takes for an object to fall from a height of 4,000ft. We will use the given formula, t=h−−√4. Substituting h=4,000, we find

t=4000−−−−√4=15.8

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If the supplies on shelf A are normally $7 each and the supplies on shelf B are normally $3 each, how much will you save on each
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Simple math

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3 years ago
Complete the missing parts of the paragraph proof. Draw a perpendicular from P to AB. Label the intersection C. We are given tha
zvonat [6]
<span>1) We are given that PA = PB, so PA ≅ PB by the definition of the radius.

</span>When you draw a perpendicular to a segment AB, you take the compass, point it at A and draw an arc of size AB, then you do the same pointing the compass on B. Point P will be one of the intersections of those two arcs. Therefore PA and PB correspond to the radii of the arcs, which were taken both equal to AB, therefore they are congruent. 
 
2) We know that angles PCA and PCB are right angles by the definition of perpendicular.

Perpendicularity is the relation between two lines that meet at a right angle. Since we know that PC is perpendicular to AB by construction, ∠PCA and ∠PCB are right angles.
 
3) PC ≅ PC by the reflexive property congruence.

The reflexive property congruence states that any shape is congruent to itself.

4) So, triangle ACP is congruent to triangle BCP by HL, and AC ≅ BC by CPCTC (corresponding parts of congruent triangles are congruent). 

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<span>The perpendicular bisector of a segment is a line that cuts the segment into two equal parts (bisector) and that forms with the segment a right angle (perpendicular). Any point on the perpendicular bisector has the same distance from the segment's extremities. PC has exactly the characteristics of a perpendicular bisector of AB. </span>
6 0
3 years ago
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The Esteban family will order one T-shirt for each person who attends their family reunion. The cost is $6.50 per T-shirt plus a
Ilia_Sergeevich [38]
You plug in 2000 for c
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Then u divide 1,965 by 6.5 and u get 302.3 but your actual answer is 302 T-shirts

Answer: 302 T-shirts
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