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3 years ago

5

Please help! take a pic and put a dot with the drawing tools on ur snipping tool/snip and sketch. Please i cant fail these quest

ions!

1 answer:

kherson [118]3 years ago

5 0

take a pic of what and where are the questions???

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Evaluate the expression 2x + 3 + (x*x), for x=4 <br> please help!

larisa [96]

Answer is 27
2(4) + 3 + (4*4) = 8 + 3 + 16= 27

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3 years ago

Hii! please help asap. i’ll give brainliest

UkoKoshka [18]

Answer:

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Step-by-step explanation:

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3 years ago

Six times the amount of women that were at the banquet last year will be in attendance this year. The same amount of men will be

Rina8888 [55]

Answer:

m+6n

Step-by-step explanation:

Let number of men who attended last year=m

Let number of women who attended last year=n

This year, we expect Six times the amount of women attendance last year =6 X n = 6n

The same number of men, m will be expected this year

Therefore, Number of Expected Attendees

= Number of Men + (Six Times the Number of Women)

=m+6n

We can expect (m+6n) people to be in attendance this year.

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3 years ago

Astronomers often measure large distances using astronomical units (AU) where 1 AU is the average distance from Earth to the Sun

stellarik [79]

By calculating the distance of a star to the Sun, astronomers can calculate the distance from Earth to the star.

$\displaystyle \mathrm{The \ \mathbf{expression} \ to \ calculate \ \mathit{d} \ for \ any \ \mathbf{star} \ is; \ \underline{d \ is \ \frac{1 \, AU}{tan(\theta)}}}$

Reasons

The given parameters are;

The distance from the star to the Sun = d

The angle formed by the ray to the Sun and the ray to Earth from the star, θ = 0.00001389 degrees

The average distance from Earth to the Sun = 1 AU

By trigonometric ratios, we have;

$\displaystyle tan(\theta) = \mathbf{\frac{Opposite}{Adjacent}}$

Therefore;

$\displaystyle tan(\theta) = \frac{1}{d}$

The expression to calculate for <em>d</em> for any star is therefore;

$\displaystyle \underline{ d \ is \ \frac{1 \, AU}{tan(\theta) }}$

<em>The angle given for θ for the referenced star is θ = 0.00001389</em>

<em>Therefore;</em>

$\displaystyle d = \frac{1 \, AU}{tan(0.00001389^{\circ}) } \approx 4,124,966.13 \, AU$

Learn more about trigonometric ratio here:

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2 years ago

The rate for one unit of a given quantity is called....

Viefleur [7K]

The rate for one unit of a given quality is called a unit rate.

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4 years ago