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dybincka [34]
4 years ago
9

Solve d=rt for t when r=75mph and d=450mi

Mathematics
1 answer:
madam [21]4 years ago
8 0

Answer:

t = 6 hours

Step-by-step explanation:

First, we need to plug in our known information into d = rt.

450mi = \frac{75mi}{1hr} * t

450mi = 75mi * t --- simplify fraction

t = \frac{450}{75}

t = 6 hours

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If Sarah invests $4,151 at a 9.3% simple annual interest rate, approximately how many years will it take for her to have over $7
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5 0
3 years ago
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
What is the answer 17 divide by 1,569?
Firlakuza [10]

Answer:

the answer is 92 rounded up

6 0
4 years ago
Read 2 more answers
Which equations have the same value of x as Three-fifths (30 x minus 15) = 72? Select three options.
lozanna [386]

The equivalent expressions are 3(6x - 3) = 72 and 18x - 9 = 72

<h3>Equations and expressions</h3>

Given the equation below as shown;

3/5(30x - 15) = 72

Expand

3/5(30x) - 3/5(15) = 72

90x/5 - 15/5 = 72

3(6x - 3) = 72

Expand

18x - 9 = 72

Hence the equivalent expressions are 3(6x - 3) = 72 and 18x - 9 = 72

Learn more on equations here: brainly.com/question/13763238

#SPJ1

5 0
2 years ago
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