2 years ago

Question 11 of 40

Mathematics

1 answer:

nasty-shy [4]2 years ago

7 0

I don’t know the answer but I need points sorry

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The area of a quarter’s face is 4.64 cm2. The amount of space that it occupies is 0.60 cm3. Approximately how thick is a quarter

Greeley [361]

A quarter resembles a 3D figure of a cylinder. The face is the area of the base of the cylinder and the space it occupies is the volume of the cylinder. We need to find out the height of the cylinder.

Volume = Area of base•height
Volume/Area of base=height
0.60/4.64=0.12931
Round to the nearest hundred
height=0.13 cm

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2 years ago

How do I solve this equation? 3|13-2t|=15

Nikolay [14]

$3 |13 - 2t | =15$ ⇒ $|13-2t| = 15\div3$ ⇒ $\boxed {|13-2t| = 5}$

$\hbox {We have two equations : 1. } |13-2t|=5$
$2.|13-2t|=-5$

$\hbox{The first: }$ ⇒ $13-2t=5$ ⇒ $2t=13-5$ ⇒ $2t=8$ ⇒ $\boxed {t=4}$

$\hbox { The second: } 13-2t=-5$ ⇒ $2t=13-(-5)=18$ ⇒ $\boxed {t=9}$

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2 years ago

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What is the simplified value of the expression below?<br><br> 12.4 x (negative 6.3)

MrRa [10]

Answer:

78.12

Step-by-step explanation:

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2 years ago

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Complement of 70 degrees

Hitman42 [59]

Answer:

20 degrees

Step-by-step explanation:

to find the complement you subtract the angle by 90 degrees

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2 years ago

Find the slope of the line

alukav5142 [94]

Answer:

-4/3

Step-by-step explanation:

y2 - y1 / x2 - x1

-9 - (-1) / 0 - (-6)

-4/3

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2 years ago