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2 years ago

What is negative 3 plus negative 11 equals 5 answer

Mathematics

2 answers:

kiruha [24]2 years ago

8 0

The answer to negative 3 plus negative 11 equals -14

natta225 [31]2 years ago

6 0

Answer:

-14

Step-by-step explanation:

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The altitude of a triangle is increasing at a rate of 1 cm/min while the area of the triangle is increasing at a rate of 2 cm2/m

Mnenie [13.5K]

Answer:

The base is reducing at a rate of 3.4cm per min.

Step-by-step explanation:

Let The Height of the Triangle, h

Area of the triangle = A

Area of a Triangle, $A= \frac{1}{2}bh$

When $A=190 cm^2, h=10cm$

$190= \frac{1}{2}*b*10\\b=38cm$

$\frac{dA}{dt}=\frac{1}{2}h\frac{db}{dt}+ \frac{1}{2}b\frac{dh}{dt}\\\frac{dh}{dt}=1 cm/min, \frac{dA}{dt}=2cm^2/min,$

$2=\frac{1}{2}*10*\frac{db}{dt}+ \frac{1}{2}*38*1\\2=5\frac{db}{dt}+19\\2-19=5\frac{db}{dt}\\-17=5\frac{db}{dt}\\\frac{db}{dt}=-\frac{17}{5} =-3.4 cm/min$

The base is reducing at a rate of 3.4cm per min.

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2 years ago

GIVING BRAINLIEST FOR BEST ANSWER!

ICE Princess25 [194]

Answer:

13/10

Step-by-step explanation:

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2 years ago

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Solve for x and explain how I show work

DaniilM [7]

Answer:

x = 100

Step-by-step explanation:

(x - 20) + x = 180

2x - 20 = 180

2x = 200

x = 200/2

x = 100

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2 years ago

Thirty-one thousand, eight hundred eighty-nine

tangare [24]

Answer:

where is the question?

Step-by-step explanation:

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3 years ago

Geometry math question no Guessing and Please show work thank you

vesna_86 [32]

First let us find the length of JN

JN =JK +KN

JN = 82+105 = 187

JN=187..............(1)

UC= JN -( JH +HU+CN)

We are given :

JH= 22, HU = 96 and CN = 51

plugging all the values we get

UC = 187-( 22+96+51)

UC =187 -169

UC = 18

Answer is UC =18 ( option B)

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3 years ago