3 years ago

How do i start an inequality

Mathematics

1 answer:

Harlamova29_29 [7]3 years ago

3 0

Give me the solution. because it's all depends

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On a partly cloudy day, Derek decides to walk back from work. When it is sunny, he walks at a speed of s miles/hr (s is an integ

Setler [38]

Answer: $\frac{1}{7}$

Step-by-step explanation:

Given

sunny day speed= s mph

Rainy day speed=s+1 mph

Derek average speed =2.8 miles/hr

s<2.8<s+1

so on sunny day speed must be 2 mph

and on rainy day speed must be 3 mph

$v_{avg}=\frac{distance}{time\ taken}$

Let x be the distance traveled in sunny and y be the distance traveled in rainy weather

$2.8=\frac{x+y}{\frac}{x}{2}+\frac{y}{3}}$

Let $\frac{x}{y}=z$

$2.8=\frac{z+1}{\frac{z}{2}+\frac{1}{3}}$

$z=\frac{1}{6}$

Fraction of distance traveled on sunny weather

$\frac{x}{x+y}=\frac{z}{z+1}=\frac{1}{7}$

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3 years ago

Pleasee help meee it’s due at 6:00

kykrilka [37]

Answer:

P’ = (4, 5)

Q’ = (5, 3)

R’ = (1, 1)

Step-by-step explanation:

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3 years ago

Help me please I’m stuck

Anna35 [415]

Answer:

103

Step-by-step explanation:

There is 540 degrees total in a pentagon. To find the missing angle, you must subtract all the known angles from 540. 540-100-117-105-115=103

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3 years ago

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(40 Points) A Bag contains 7 green marbles and 35 blue marbles. If a representative sample contains 3 green marbles, then how ma

RideAnS [48]

Answer:

1:5

Step-by-step explanation:

1:5

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3 years ago

Can someone help me

zzz [600]

The answer is B (-1,3) hope this helped u

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4 years ago