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tensa zangetsu [6.8K]
3 years ago
8

a snail is at the bottom of a well. In the first 10 minutes this meal climbs 23-7 12 inches. In the next 10 minutes it climbs 19

five six inches. How far is the snail from the bottom of the well after 20 minutes?
Mathematics
1 answer:
creativ13 [48]3 years ago
4 0
23 7/12 + 19 5/6
23 7/12 + 19 10/12
42 17/12 or 43 5/12
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Given the points A(-10, -4) and B(14, 4), find the coordinates of the point P on the directed line segment AB that partitions AB
anastassius [24]

Answer:

P(5, 1)

Step-by-step explanation:

Segment AB is to be partitioned in a ratio of 5:3. That means the ratio of the lengths of AP to PB is 5:3. We need to find the ratio of the lengths of AP to AB.

AP/PB = 5/3

By algebra:

PB/AP = 3/5

By a rule of proportions:

(PB + AP)/AP = (3 + 5)/5

PB + AP = AP + PB = AB

AB/AP = 8/5

AP/AB = 5/8

The first part of the segment is 5/8 of the length of the segment, and the second part of the segment has length of 3/8 of the length of segment AB.

Point P is located 5/8 of the distance from point A to point B. The x-coordinate of point P is 5/8 of the difference in x-coordinates added to the x-coordinate of point A. The y-coordinate of point P is 5/8 of the difference in y-coordinates added to the y-coordinate of point A.

x-coordinate:

difference in coordinates: |14 - (-10)| = |14 + 10| = 24

5/8 of 24 = 5/8 * 24 = 15

Add 15 to the x-coordinate of point A: -10 + 15 = 5

x-coordinate of point P: 5

y-coordinate:

difference in coordinates: |4 - (-4)| = |4 + 4| = 8

5/8 of 8 = 5/8 * 8 = 5

Add 5 to the y-coordinate of point A: -4 + 5 = 1

y-coordinate of point P: 1

Answer: P(5, 1)

3 0
3 years ago
Geometry parallel line diagrams
tamaranim1 [39]
<h2>Solution (1) :</h2>

∠<em>y</em><em> </em>and ∠<em>x</em> are alternate interior angles . Both of these angles will be equal in measure when on two parallel lines with a transversal .

<h2>Solution (2) :</h2>

∠y and ∠x are alternate interior angles . Both of these angles will have an equal angle measure when they lie on two parallel lines with a transversal .

<h2>Solution (3) :</h2>

∠y and ∠x vertically opposite angles . Both of these angles will be equal in measure when on two parallel lines with a transversal .

<h2>Solution (4) :</h2>

∠y and ∠x are adjacent angles as well as a linear pair . These angles will sum up to form 180° .

4 0
3 years ago
First and second place in a contest use a ratio to share a cash prize. When first place pays $100 , second place pays $60. How m
torisob [31]

Answer:

$60

Step-by-step explanation:

the ratio is 100:60 or 5/3

if second place pays 36, to find out how much first place pays, multiply 36 by 5/3

36 * 5/3 = 60

6 0
3 years ago
Helpppppppppppp meeee​
nikklg [1K]

Answer:

25z^{4} + 30z³ + 29z² + 12z + 4

Step-by-step explanation:

(5z² + 3z + 2)²

= (5z² + 3z + 2)(5z² + 3z + 2)

Each term in the second factor is multiplied by each term in the first factor, that is

5z²(5z² + 3z + 2) + 3z(5z² + 3z + 2) + 2(5z² + 3z + 2) ← distribute parenthesis

= 25z^{4} + 15z³ + 10z² + 15z³ + 9z² + 6z + 10z² + 6z + 4 ← collect like terms

= 25z^{4} + 30z³ + 29z² + 12z + 4

4 0
2 years ago
To the nearest tenth of a centimeter, what is the circumference of a circle with a radius of 2.5 cm? (Use 3.14 for π.)
maria [59]
To find a circumference of a circle you have to use this expression: C = d<span>π. d stands for the diameter, so let's find that first.

To find the diameter multiply the radius by 2.
2.5 x 2 = 5

Let's rewrite our equation now. C = 5 </span>· π 
<span>15.71 = </span>5 · π

The answer is 15.71
6 0
3 years ago
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