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Anvisha [2.4K]
4 years ago
12

HELP!! need answers for E and F!

Mathematics
1 answer:
BigorU [14]4 years ago
8 0
Ok ok ok ok ok ok ok lol sorry don’t know
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A recent poll of 1800 people showed that 35% believe gas prices will go down. Find the best point estimate of the proportion of
zhenek [66]
The sample proportion is a point estimate of the population proportion. Therefore we need to convert the given percentage to a decimal fraction to find the best point estimate.
35/100 = 0.35
The best point estimate is 0.35.

5 0
4 years ago
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What two numbers when multiplied get 9 but if added get 10
Vesna [10]
The two numbers that multiply to get 9 and add up to get 10 is 9 and 1.


5 0
4 years ago
Please help this is due soon
kumpel [21]

Answer:

-3

Step-by-step explanation:

The number 4 is the plotted point on the y-axis, meaning the next point would be located down 3 and right 1 (-3 over 1) and so on. The rise over run is the m in y=mx+b<em>. </em>

3 0
3 years ago
Anyone know number 1?I can’t figure it out for the life of me
kondor19780726 [428]

Answer:

See below.

Step-by-step explanation:

The answer is C. Dilation changes the size of the shape, unlike A, B, and D, which only moves the shape.

-hope it helps

5 0
3 years ago
Given vectors u = ⟨–3, 2⟩ and v = ⟨2, 1⟩, what is the measure of the angle between the vectors?
hjlf

The measure of the angle between the vectors

$\arccos[ (-\sqrt{13 } i )/ (\sqrt{5 }) ]\\\sqrt{5 }.

What is the measure of the angle between the vectors?

Given:

$\mathrm{u}=\langle -3,2\rangle$ and $v=\langle 2,1\rangle$

Computing the angle between the vectors, we get

$\quad \cos (\theta)=\frac{\vec{a} \cdot \vec{b}}{|\vec{a}| \cdot|\vec{b}|}$

To estimate the lengths of the vectors, we get

Computing the Euclidean Length of a vector,

$\left|\left(x_{1}, \ldots, x_{n}\right)\right|=\sqrt{\sum_{i=1}^{n}\left|x_{i}\right|^{2}}$

Let, $\mathrm{u} &=\langle -3,2\rangle \\ and $\mathrm{v} &=\langle 2,1\rangle \\

If $\mathrm{u} &=\langle -3,2\rangle \\

$|u| &=\sqrt{-3^{2}+(2)^{2}} \\

$&=\sqrt{5}i \\ and

$\mathrm{v} &=\langle 2,1\rangle \\

$|v| &=\sqrt{2^{2}+(1)^{2}} \\

$&=\sqrt{5}

Finally, the angle is given by:

Computing the angle between the vectors, we get

$ $\cos (\theta)=\frac{\vec{a} \cdot \vec{b}}{|\vec{a}| \cdot|\vec{b}|}$

$&\cos (\Phi)=-\sqrt{13 } i/ \sqrt{5 } \\

simplifying the above equation, we get

$&\Phi=\arccos (\cos (\Phi))

$=\arccos[ (-\sqrt{13 } i )/ (\sqrt{5 }) ]\\\sqrt{5 }

Therefore, the measure of the angle between the vectors

$\arccos[ (-\sqrt{13 } i )/ (\sqrt{5 }) ]\\\sqrt{5 }.

To learn more about vectors refer to:

brainly.com/question/19708440

#SPJ4

8 0
2 years ago
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