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11 months ago

Can someone please help me with this!!

Mathematics

1 answer:

miv72 [106K]11 months ago

8 0

Hello there! Given the expression, we can solve through a series of steps:

1. Simplify

-5 + 7 • 1

2. Multiply (according to order of operations)

7 • 1 = 7

3. Add

-5 + 7 = 2

Your final answer is 2. Hope this helps!

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A submarine sits at –300 meters in relation to sea level. Then it descends 115 meters. What is its new position in relation to s

avanturin [10]

Answer:

$New\ Position = -415m$

Step-by-step explanation:

Given

$Position= -300m$

$Descend = 115m$

Required

Determine the new position

It descends means that it moved in the downward position.

So, the new position is:

$New\ Position = Position - Descend$

$New\ Position = -300m - 115m$

$New\ Position = -415m$

<em>Hence, the new position f the submarin is -415m</em>

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2 years ago

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HELP MARKING BRAINLIEST EXTRA POINTS !!

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Answer:

The quadrilateral is a rectangle
$Perimeter=8\sqrt{2} \,\,Unit$
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Step-by-step explanation:

Given,

$A=(0,0)\\B=(1,1)\\C=(4,-2)\\D=(3,-3)$

Now,

$Slope\,\,for\,\,AB=\frac{1-0}{1-0} =1\\\\Slope\,\,for\,\,CD=\frac{-3+2}{3-4} =1\\\\Slope\,\,for\,\,AD=\frac{-3-0}{3-0} =-1\\\\Slope\,\,for\,\,BC=\frac{-2-1}{4-1} =-1\\\\So,AB||CD\,\,and\,\,AD||BC$

$AB=\sqrt{(1-0)^2+(1-0)^2}=\sqrt{2}\\BC=\sqrt{(4-1)^2+(-2-1)^2}=3\sqrt{2}\\CD=\sqrt{(3-4)^2+(-3+2)^2}=\sqrt{2}\\AD=\sqrt{(3-0)^2+(-3-0)^2}=3\sqrt{2}\\\\So,\,\,AB=CD,AD=BC\\The\,\,quadrilateral\,\,is\,\,a\,\,rectangle$

$Perimeter=2*(AB+AD)=2*(BC+CD)\\=2*(\sqrt{2}+3\sqrt{2})=8\sqrt{2} \,\,Unit$

$Area=AB*AD=BC*CD=\sqrt{2} *3\sqrt{2}=6\,\,sq.unit$

Hope you have understood this.....

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2 years ago

Please help me I dont want to fail...again this is my last hope. plz help:(

Rudiy27

Do you still need help?

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2 years ago

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At A Local Restaurant, The Health Inspector Visits Every 7 Days, And The Fire Inspector Visits Every 12 Days.

Xelga [282]

PART A :OK so here is the table for the health inspector; all you are really doing is 7+7+7, and so on:

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PART A:same thing for the fire inspector, except this time your adding 12+12+12, and so on:

PART A: fire inspector: 12,24,36,48,60,72,84,96.......

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Answer:

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