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spayn [35]
3 years ago
15

What is he rate of change of a line that passes through the points (7,-1) and (-1,5)

Mathematics
1 answer:
tino4ka555 [31]3 years ago
4 0
Hello! thanks for asking this question! -0.75 should be your answer. Please tell me if I was right!
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1. 5 M 20 CM of cloth is needed to stitch a shirt how much clothes will be needed to stitch 449 shirts
Ratling [72]

#1

Length in cm

  • 500+20=520cm
  • Shirts=449

Total length

  • 449(520)
  • 233480cm
  • 2334m 80cm

#2

Total notes

  • 425-412+1=14

Total money

  • 100(14)
  • 1400

|

Total suits per month=120

per year

  • 120(12)
  • 1440suits

#4

Total 5mins

  • 50/5=10

total distance

  • 348(10
  • 3480m
6 0
2 years ago
Civil an airport, a factory, and a shopping center are at the vertices of a right triangle formed by three highways. the airport
vekshin1

Answer:

<em>The shortest possible length for the service road is 2.88 miles.</em>

Step-by-step explanation:

According to the below diagram, A, B and C are the positions of airport, shopping center and factory respectively.

Given that,  AB= 3.6 miles, BC= 4.8 miles and AC= 6.0 miles

In right triangle ABC

tan(\angle ACB)=\frac{AB}{BC} \\ \\ tan(\angle ACB)= \frac{3.6}{4.8}=0.75\\ \\ \angle ACB= tan^-^1(0.75)=36.8698.... degree

The shortest possible length for the service road from the shopping center to the highway that connects the airport and factory is BD.

That means, \triangle BCD is also a right triangle in which \angle BDC=90\°, Hypotenuse(BC)= 4.8 miles and BD is the opposite side in respect of \angle DCB or \angle ACB.

Now in right triangle BCD

Sin(\angle ACB)=\frac{BD}{BC}\\ \\ Sin(36.8698...)=\frac{BD}{4.8}\\ \\ BD=4.8*Sin(36.8698...)=2.88

So, the shortest possible length for the service road is 2.88 miles.

4 0
4 years ago
Leslie earned $12 Friday, $20 Saturday, and $56 Sunday selling bracelets. If she sold each bracelet for the same amount of money
Amanda [17]

Answer:

$4

Step-by-step explanation:

12÷4=3

20÷4=5

56÷4=14

7 0
3 years ago
Express each of the following as a rational number and represent them on the same number line :1/4 0.75 and -3
neonofarm [45]

Answer:

Step-by-step explanation:

1/4

0.75= 75/100=3/4

-3=-12/4

<h3 />

7 0
3 years ago
Which table shows a proportional relationship?
Nady [450]
I think the first one
4 0
4 years ago
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