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3 years ago

What is a plane figure bounded by four straight line

Mathematics

1 answer:

Neko [114]3 years ago

6 0

Answer:

A plane figure with 4 sides is called a quadrilateral.

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EASYY TO ANSWER I WILL MARK YOU AS BRILIANT HELP PLEASE

BARSIC [14]

Question 1: (0,2) because b value in mx+b is y-intercept

Question 2: plug in 4 for x you will get 1 so max is (4, 1)

Question 3: plug in -4 for x you will get -5 so min is (-4, -5)

Hope it helps :D

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3 years ago

An object at the top of a building with height 110 feet is thrown upward with an initial speed of 23 ft/s. Find its position z(t

alina1380 [7]

Answer:

Step-by-step explanation:

Given

Height of building is $h=110\ ft$

Initial upward velocity $u=23\ ft/s$

height of object is given by

$z(t)=ut+\frac{1}{2}gt^2$

but building is already at a height of 110 ft so z(t) must be given by

$Z(t)=ut+\frac{1}{2}(-g)t^2+110$

$Z(t)=23\times t-\frac{1}{2}\times 9.8\times t^2$

$Z(t)=-16t^2+23t+110$

Time when it hits is given by when Z(t)=0[/tex]

$-16t^2+23t+110=0$

$t=\frac{-23\pm \sqrt{(23)^2-4\times (-16)\times 110}}{2\times (-16)}$

$t=\frac{-23\pm 87}{-32}$

$t=3.43\ s$

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3 years ago

The perimeter of a rectangular swimming pool is 414 meters. The length of the pool is 7 meters more than four times the width. F

PolarNik [594]

Answer:

Width = 40 meters

Length = 167 meters

Step-by-step explanation:

Let

Width of the pool = x meters

Then

Length of the pool = 4x + 7 meters

and

Perimeter $=2(x+4x+7)=2(5x+7)=10x+14$ meters

Hence,

$10x+14=414\\ \\10x=414-14\\ \\10x=400\\ \\x=40\ meters\\ \\4x+7=4\cdot 40+7=167\ meters$

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3 years ago

A medical lab is testing a drug that removes a certain percent of fluid from the lungs of a patient every eight hours. The expre

KatRina [158]

D.the number of times the drug has removed a certain percentage of fluid from the patient's lungs

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3 years ago

Read 2 more answers

Does the angle have to be

Studentka2010 [4]

Answer:

Number 4

Step-by-step explanation:

Side-Angle-Side, it has to be between the two sides.

6 0

2 years ago

Read 2 more answers

What is a plane figure bounded by four straight line​

What is a plane figure bounded by four straight line