3 years ago

Which of the following statements is not true?

Mathematics

1 answer:

icang [17]3 years ago

8 0

Answer:

-3.7 > -3.1

Step-by-step explanation:

Because -3.1 more close to 0 so is supposed to be bigger than -3.7

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The radius of a sphere decreases at a rate of 6 m/sec. find the rate at which the surface area decreases when the radius is 20 m

DanielleElmas [232]

The radius of the sphere decreases at the rate of 6 m/ sec

That is, $\frac{dr}{dt}=-6$

Surface Area of the sphere of radius r is given by $S=4\pi r^2$

Differentiating with respect to t,

$\frac{dS}{dt}=4\pi (2r)\frac{dr}{dt}=8\pi r\frac{dr}{dt}$

$\frac{dS}{dt}=8\pi (20)^2(-6)=-960\pi \: m^2/sec$

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4 years ago

Please help i’ll give brainliest if you give me a correct answer and show your work thanks !

Readme [11.4K]

Answer:

1. 56.7

2. 0.088

Step-by-step explanation:

1.35x4.2=56.7

0.4x0.22=0.088

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3 years ago

What is 8690 rounded off to the neareset hundred? am just asking

Lelu [443]

Answer:

8700

Step-by-step explanation:

If it is 8,690 and you round to the nearest hundred it would add one to 90 making it 8,700

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3 years ago

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What is the measure of ABC? A. 130 B. 85 C.40 D.170

Nitella [24]

Answer:

130

Step-by-step explanation:

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On a planet far far away from Earth, IQ of the ruling species is normally distributed with a mean of 106 and a standard deviatio

DENIUS [597]

Answer:

Step-by-step explanation:

N(106,14²)

(calculated using excel, let me know if you were supposed to use a normal table) = 0.4715

85.34

Q1:96.56

Q3:115.44

IQR (which is Q3-Q1)= 115.44-96.56= 18.88

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2 years ago