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anyanavicka [17]
3 years ago
5

It took a car 6 hours to cover the distance between points A and B with the speed of 50 mph. How long will it take a bus to cove

r the same distance, if it travels at 40 mph?
Mathematics
1 answer:
Leno4ka [110]3 years ago
6 0

Answer:

7hours and 30 minutes

Step-by-step explanation:

given a car travels with a speed of 50 miles -------->1hour

x miles -------->6hours

on cross multiplying we get the value of 'x'

x = 50×6 = 300

x=300miles

Now ,

40mls------->1h

300mls------->xh

x= 300/40

x=(3/4)×10

x= 7.5hours

x= 7½hours

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Alexus [3.1K]

Answer:

Step-by-step explanation:

The answer is 1/27

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3 0
3 years ago
Eddie's Evergreens sells Christmas trees and wreaths. Trees cost 3 dollars more than 4 times the price of each wreath. It costs
kari74 [83]

Answer:

W = 16

T = 67

Step-by-step explanation:

Represent trees with T and wreaths with W

Given

T = 3 + 4 * W

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Solving (a): Cost of W

Substitute 3 + 4 * W for T in the second equation

2*W + 3 + 4 * W = 99

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Collect Like Terms

2W + 4 W = 99 - 3

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Divide through by 6

W =\frac{96}{6}

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Hence, each wreath costs $16

Solving (b): Cost of T

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3 0
3 years ago
32) (a)-(c) pre calculus
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Well, remember we can't take the square root of a negative

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anny value greater than 1 and less than -1
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a. D=[-1,1] or from -1 to 1 is domain


b. for a TI-84, go to y-editor then input 4x \sqrt{1-x^2} for y1

c. for a TI-84, click 2nd then window (gets to tbset) scrol down to set Δx to 0.1, then cilick 2nd again then click graph (to select table) and scroll down till you see that value of y that is the biggest, that value is x=0.7



A. domain is from -1 to 1
B. use your brain or google the instructions for your calulator
C. at x=0.7


8 0
3 years ago
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