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3 years ago

Help please it’s urgent !

Mathematics

1 answer:

oksian1 [2.3K]3 years ago

8 0

Answer:

shade in-between the 0 and the 8 with open circles on each number

Step-by-step explanation:

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It takes Lucas 3 hours to cycle from his home to his friends village but if travels 5 mph slower, it will take him 1.5 hours lon

Alika [10]

The distance from friend's village to Lucas's house is 45 miles

Step-by-step explanation:

Lets assume the distance from Lucas home to friend's village is x miles

The time taken to cycle from Lucas home to friend's village is 3 hrs....t₁

The time taken if travelling at a 5 mph reduced speed is 1.5 hrs longer......t₂

t₂=4.5 hrs

t₁= 3 hrs

Speed for cycle in first instance, where t₁=3 hrs and distance is x miles

s₁=d/t = x/3 mph

Speed for cycle if travelling at a slower speed,

$s=\frac{x}{3}-5$

Time taken in the second instance when travelling at a slower speed

= $\frac{x}{\frac{x}{3}-5 }=4.5\\ \\\frac{3x}{x-15} =4.5\\\\\\3x=4.5(x-15)\\\\3x=4.5x-67.5\\\\\\67.5=4.5x-3x\\\\\\67.5=1.5x\\\\\\67.5/1.5=x\\\\\\45=x$

The distance from friend's village to Lucas's house is 45 miles

Learn More

Formula for speed:brainly.com/question/13664094

Keywords: cycle,home, village, travels,slower,longer

#LearnwithBrainly

6 0

3 years ago

After allowing 20percent discount and levying 13percent vat the value of a watch will be rs 904 what is the marked price of watc

Eddi Din [679]

9514 1404 393

Answer:

₹1000

Step-by-step explanation:

Let m represent the marked price. After the discount, the price is 0.80m. After the tax is added, the price is (0.80m)(1.13). This value is Rs 904, so the marked price is ...

(0.80m)(1.3) = ₹904

m = ₹904/(0.80×1.13) = ₹904/0.904

m ≈ ₹1000

The marked price of the watch is ₹1000.

5 0

3 years ago

Please please helpp i will mark brainliest!!! 100 points !! ill mark brainliest if its correct.

Paraphin [41]

Answers and Step-by-step explanations:

1. We need to plug in values of x into the functions f(x) and g(x):

f(2) = 2.5 * 2 - 10.5 = -5.5 g(2) = $64 * (0.5^2)$ = 16

f(3) = 2.5 * 3 - 10.5 = -3 g(3) = $64 * (0.5^3)$ = 8

f(4) = 2.5 * 4 - 10.5 = -0.5 g(4) = $64 * (0.5^4)$ = 4

f(5) = 2.5 * 5 - 10.5 = 2 g(5) = $64 * (0.5^5)$ = 2

f(6) = 2.5 * 6 - 10.5 = 4.5 g(6) = $64 * (0.5^6)$ = 1

(a) Notice that at 14 on the x-axis, the blue line is above 4. Meanwhile, at 14, the red line is less than 2. Obviously, we can see that if the printed ad revenue was less than 2 and the online ad revenue was greater than 4, that's more than a double, so the lead marketing executive is correct.

(b) The approximate year that the revenues were equal is the place where the lines intersect. It's approximately at Year 7.5.

(a) The Western Beach is clearly decreasing; it is decreasing by 2 ft per year. Meanwhile, the Dunes Beach is clearly increasing; it's increasing by 5 ft per year. (I'm not sure what kinds of "patterns" you're looking for).

(b) Year 11 and 12; this is because here, Western is going from 78 to 76 ft and Dunes is going from 75 to 80, so they'll likely coincide sometime in that time interval.

(c) One thing you can do is to create equations (of the form y = mx + b) for each of the beaches and then set those linear equations equal to each other.

6 0

3 years ago

Read 2 more answers

What is equal to 7 times 13

Andrei [34K]

Answer:

7x13=91

Step-by-step explanation:

3 0

3 years ago

Factor completly 12a2 - 36ab + 27b2

artcher [175]