3 years ago

Need help with some math

Mathematics

1 answer:

pogonyaev3 years ago

8 0

Answer:

Step-by-step explanation:

Desnity: mass/volume

3/20= .15

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If The hour hand of a clock moves −30° every hour. How many degrees does it move in 2 ⅕ hours?

Rainbow [258]

Answer:

The hour hand of a clock moves -66* in 2 1/5 hours.

Step-by-step explanation:

2 x -30 = -60, and 1/5 of -30 is -6, and -60-6=-66 degrees.

5 0

3 years ago

Read 2 more answers

<img src="https://tex.z-dn.net/?f=%20-%203%28%20b%20-%203%29%20%2B%207" id="TexFormula1" title=" - 3( b - 3) + 7" alt=" - 3( b -

nlexa [21]

Answer:

-3 b + 16

Step-by-step explanation:

Simplify the following:

-3 (b - 3) + 7

-3 (b - 3) = 9 - 3 b:

9 - 3 b + 7

Grouping like terms, 9 - 3 b + 7 = -3 b + (9 + 7):

-3 b + (9 + 7)

9 + 7 = 16:

Answer: -3 b + 16

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4 years ago

2.933 expanded form decimals

Shkiper50 [21]

Just put a period between everything 2.9.3.3

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3 years ago

What’s the equation of the circle with center (9, –1) and radius r = 7?

avanturin [10]

$\bf \textit{equation of a circle}\\\\ 
(x- h)^2+(y- k)^2= r^2
\qquad 
center~~(\stackrel{9}{ h},\stackrel{-1}{ k})\qquad \qquad 
radius=\stackrel{7}{ r}
\\\\\\\
[x-9]^2+[y-(-1)]^2=7^2\implies (x-9)^2+(y+1)^2=49$

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3 years ago

I. Collect data from several fast food chains on the number of fat calories and grams of saturated fat in menu items. Record at

mr_godi [17]

Answer:

el primer color del alfabeto es su nombre en el libro

Step-by-step explanation:

<em><u>heyherpaypoopr</u></em>

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3 years ago