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Musya8 [376]
3 years ago
7

A coral reef grows 0.12 m every week how much does it grow in 12 weeks. In cm

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
3 0

Answer:

1.44 cm

Step-by-step explanation:

0.12 m * 12 weeks = 1.44 cm in 12 weeks

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Rate of change for y= 2/3x-48
tangare [24]

Answer:

2/3

Step-by-step explanation:

The rate of change is the same thing as the slope of a line

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3 years ago
Please help <3 Thanks!!
iVinArrow [24]

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7 0
4 years ago
Vector u has a magnitude of 7 units and a direction angle of 330°. Vector v has magnitude of 8 units and a direction angle of 30
Dafna11 [192]
Keeping in mind that x = rcos(θ) and y = rsin(θ).

we know the magnitude "r" of U and V, as well as their angle θ, so let's get them in standard position form.

\bf u=
\begin{cases}
x=7cos(330^o)\\
\qquad 7\cdot \frac{\sqrt{3}}{2}\\
\qquad \frac{7\sqrt{3}}{2}\\
y=7sin(330^o)\\
\qquad 7\cdot -\frac{1}{2}\\
\qquad -\frac{7}{2}
\end{cases}\qquad \qquad v=
\begin{cases}
x=8cos(30^o)\\
\qquad 8\cdot \frac{\sqrt{3}}{2}\\
\qquad \frac{8\sqrt{3}}{2}\\
y=8sin(30^o)\\
\qquad 8\cdot \frac{1}{2}\\
\qquad 4
\end{cases}

\bf u+v\implies \left( \frac{7\sqrt{3}}{2},-\frac{7}{2} \right)+\left( \frac{8\sqrt{3}}{2},4 \right)\implies \left( \frac{7\sqrt{3}}{2}+\frac{8\sqrt{3}}{2}~~,~~ -\frac{7}{2}+4\right)
\\\\\\
\left(\stackrel{a}{\frac{15\sqrt{3}}{2}}~~,~~  \stackrel{b}{\frac{1}{2}}\right)\\\\
-------------------------------

\bf tan(\theta )=\cfrac{b}{a}\implies tan(\theta )=\cfrac{\frac{1}{2}}{\frac{15\sqrt{3}}{2}}\implies tan(\theta )=\cfrac{1}{15\sqrt{3}}
\\\\\\
\measuredangle \theta =tan^{-1}\left( \cfrac{1}{15\sqrt{3}} \right)\implies \measuredangle \theta \approx 2.20422750397203^o
8 0
3 years ago
the question is in the picture, i need the weight of train a and b i’ll give the right answer brainlist :))
frez [133]

Answer:

a 106

b 92

Step-by-step explanation:

Hope this helps!

6 0
2 years ago
Read 2 more answers
Solve for x.<br> 6x = - 48
gulaghasi [49]
The answer is x = -8
4 0
3 years ago
Read 2 more answers
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