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3 years ago

3(2t + 5) = 5t + 25 What does t equal

Mathematics

2 answers:

DiKsa [7]3 years ago

5 0

Answer:

hello! :) have a good day!

t = 10

kozerog [31]3 years ago

4 0

Answer:

t = 10

(Hope this helps! Btw, I am the first to answer. Brainliest pls!)

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Which statement is true about two angles that are complementary?

m_a_m_a [10]

Complementary angles are two angles that total 90°, so yes, you are correct.

ANSWER: The answer is (B) the sum of the measures of the two angles is 90°.

Hope this helps! :)

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3 years ago

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Not sure need help

lord [1]

Answer:

Step-by-step explanation:

3-2i+8=23

5+2i+23

2i=18

i=-9

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The correct answer would be A, 2/25.

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3 years ago

What is the ratio of 6 apples and 2 oranges in simplest form?

abruzzese [7]

3 apples to 1 orange i believe

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Find the cross product of <img src="https://tex.z-dn.net/?f=-%20%5Cfrac%7B3%7D%7B4%7Dv" id="TexFormula1" title="- \frac{3}{4}v"

dsp73

For any scalars $c_1,c_2$ , we have

$c_1\mathbf v\times c_2\mathbf w=c_1c_2\mathbf v\times\mathbf w$

So

$\left(-\dfrac34\mathbf v\right)\times\left(-\dfrac12\mathbf w\right)=\dfrac38\mathbf v\times\mathbf w$

We have

$\mathbf v\times\mathbf w=\begin{vmatrix}\mathbf i&\mathbf j&\mathbf k\\-2&12&-3\\-7&4&-6\end{vmatrix}$
$=\begin{vmatrix}12&-3\\4&-6\end{vmatrix}\mathbf i-\begin{vmatrix}-2&-3\\-7&-6\end{vmatrix}\mathbf j+\begin{vmatrix}-2&12\\-7&4\end{vmatrix}\mathbf k$
$=-60\,\mathbf i-(-9)\,\mathbf j+76\,\mathbf k$
$=\begin{bmatrix}-60\\9\\76\end{bmatrix}$

which makes

$\left(-\dfrac34\mathbf v\right)\times\left(-\dfrac12\mathbf w\right)=\dfrac38\begin{bmatrix}-60\\9\\76\end{bmatrix}=\begin{bmatrix}-\frac{45}2\\\\\frac{27}8\\\\\frac{57}2\end{bmatrix}$

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3 years ago