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777dan777 [17]
3 years ago
10

It takes Jada 20 minutes to walk to school. It takes Andre 80% as long as Jada to walk to school.

Mathematics
1 answer:
Paha777 [63]3 years ago
3 0

Answer:56 seconds

Step-by-step explanation:

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The coordinates of the endpoints of directed line sergeant ABC are A(-8,7) and C(7,-13). If AB:BC = 3:2 then the coordinates of
cestrela7 [59]

The correct answer is A) (1,-5)

Further explanation:

Given points are:

A(-8,7)=(x1,y1)

C(7,13)=(x2,y2)

IT is also given that

AB:BC=3:2

Which means that B divides the line segment in 3:2

Here,

m=3

n=2

To find the coordinates of B

x_B=\frac{mx_2+nx_1}{m+n}\\ = \frac{(3)(7)+(2)(-8)}{3+2}\\=\frac{21-16}{5}\\=\frac{5}{5}\\=1\\y_B=\frac{my_2+ny_1}{m+n}\\=\frac{(3)(-13)+(2)(7)}{3+2}\\=\frac{-39+14}{5}\\=\frac{-25}{5}\\=-5

The coordinates of point B are (1,-5)

The correct answer is A) (1,-5)

Keywords: Coordinate geometry, mid-point

Learn more about coordinate geometry at:

  • brainly.com/question/4819659
  • brainly.com/question/4691222

#learnwithBrainly

7 0
3 years ago
Answer:<br><br> 2<br><br> Step-by-step explanation:<br><br> 2+2=2
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Answer:

thank you for free point and have a nice day and

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3 years ago
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Can someone check my work?. 1. Simplify the given expression.. (7 − 3i) • (2 − i) . 4 + i (MY ANSWER) . . 14 + 3i . . 11 − 13i .
Annette [7]
1. (7 − 3i) • (2 − i)
It is simplified as follows:
14 - 7i  -6i - 3
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2. <span>(−5 + 3i) • (1 − 2i) 
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</span><span>-5 + 10i + 3i + 6
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3. (1 + 3i) + (2 − 5i) 
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</span>1 + 3i + 2 − 5i<span>
3 - 2i

4. (6 + 2i) − (8 − 3i) 
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4 0
3 years ago
State the appropriate null and alternate hypothesis
Nezavi [6.7K]
The null hypothesis states that a population parameter is equal to a hypothesized value. the alternative hypothesis states that a population parameter is smaller, greater, or different than the hypothesized value in the null hypothesis
4 0
3 years ago
Is 4,3,2,1 arithmetic or geometric
sesenic [268]

Answer:

Arithmetic

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