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kvv77 [185]
3 years ago
13

Solve the word problem.

Mathematics
1 answer:
Natasha2012 [34]3 years ago
8 0

It increased by 7.7 degreese because it goes from -16.5 to -8.8. You would have to subtract 8.8 from 16.5 but it is easier to make them positive.
You might be interested in
If point E is the midpoint of and point D is the midpoint of , which expression represents the value of s
iogann1982 [59]

The length of ED is half the length of AB.

<h3>What is the length?</h3>
  • Distance is measured by length.
  • Length is a quantity with the dimension distance in the International System of Quantities.
  • Most measurement systems use a base unit for length from which all other units are derived.
  • The meter is the foundation unit of length in the International System of Units.

Reasons:

The given parameters are;

In ΔABC, point E is the midpoint of AC

The midpoint of BC is the point D

Segment ED = s

Segment CE = p

Segment EA = r

Segment CD = q

Segment DB = t

Segment ED = s

Segment AB = u

Required:

The expression that represents the value of s.

Solution:

CE = 0.5 × AC Definition of midpoint

CD = 0.5 × CB Definition of midpoint

Therefore, we have;

\frac{CE}{AC} =\frac{CD}{CB} =0.5

Therefore, given that ∠C ≅ ∠C, by the reflexive property, we have;

ΔABC is similar to ΔCDE by Side-Angle-Side similarity

Which gives;

\frac{CE}{AC} = \frac{CD}{CB}  = \frac{ED}{AB} =0.5=\frac{1}{2}

ED = s and AB = u which gives;

\frac{ED}{AB}=\frac{s}{u}  =0.5=\frac{1}{2}

\frac{s}{u} =\frac{1}{2}

Which gives:

s=\frac{1}{2} *u

The expression that represents the value of s is; s = one-half u

Therefore, the length of ED is half the length of AB.

Know more about the length here:

brainly.com/question/2217700

#SPJ4

The question you are looking for is here:

If point E is the midpoint of segment AC and point D is the midpoint of segment BC, which expression represents the value of s? triangle CAB, point E is on segment AC between points A and C and point D is on segment BC between points B and C, creating segment ED, CE equals p, EA equals r, CD equals q, DB equals t, ED equals s, and AB equals u s equals p over q s = one half s equals q over p s = 2u

7 0
2 years ago
There was 90 runners in the first half 2/5 dropped out I the second half 2/3 dropped out how many finished the race
Liula [17]

Answer:

18.

Step-by-step explanation:

If there were 90 runners, and in the first half 2/5 of them dropped out, here's how we get those who continued the race in the second half.

1. Firstly we need to calculate how many of them dropped out:

2/5 of 90 = 90 ÷ 5 × 2

2/5 of 90 = 18 × 2

2/5 of 90 = 36

2. Now we have to take away the number of dropped-out runners <u>from</u><u> </u><u>the total number of runners from the beginning of the race</u>:

90 - 36 = 54

Now we are left with 54 runners, 2/3 of which dropped out before the finish line.

1. In order to get the number of runners that finished the race, we first need to see how many of them gave up in the second half:

2/3 of 54 = 54 ÷ 3 × 2

2/3 of 54 = 18 × 2

2/3 of 54 = 36

2. Now we just take away the number of runners that dropped out in the second half <u>from the number on the beginning of the half</u>:

54 - 36 = 18

<em>18 runners finished the race.</em>

8 0
4 years ago
A pool supply company sells 50-pound buckets of chlorine tablets. A customer believes that the company may be underfilling the b
scoundrel [369]

The answer is: Reject H0. There is convincing evidence that the true mean weight of the chlorine tablets in the 50-pound buckets is less than 50 pounds.

8 0
2 years ago
247.80÷5=? rounded and what would you get if you÷ the? by 5
cricket20 [7]
257.80÷5=49.56 ≈50
50÷5=10
5 0
4 years ago
Read 2 more answers
I need help on this. What is the slope of a line perpendicular to the line with equation y=1/6x -2?
svlad2 [7]
The slope of the given equation is 1/6. To find the perpendicular slope, all we need to do is take the negative reciprocal of it, which is -6. Therefore, the slope of a line perpendicular to the line with equation y = 1/6x - 2 is -6. Hope this helps and have a great day!
7 0
3 years ago
Read 2 more answers
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