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Rufina [12.5K]
3 years ago
9

Drag each expression to show whether it is equivalent to 36 + 9, 9(4 – 1), or (4 • 9) + (4 • 2).

Mathematics
1 answer:
EastWind [94]3 years ago
7 0

Answer:

None of these are equivalent

Step-by-step explanation:

36 + 9 = 45

9(4 – 1) = 9* 3 = 27

 (4 • 9) + (4 • 2) = 36+ 8 = 44

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Please help! :)
sweet-ann [11.9K]

Answer:

Second option is correct

Arc\ length = \frac{3}{4} \pi\ in

Step-by-step explanation:

Given:

Central angle = 15°

Radius of the circle = 9 in

Arc length = ?

Given formula is

\frac{Arc\ length}{Circumfrance} = \frac{n}{360}

Where n is the central angle of the sector.

Write the given formula for Arc length of the sector.

Arc\ length = Circumfrance\times \frac{n}{360}

We know that the the circumference of the circle is 2\pi r, where r is the radius of the circle,

Arc\ length = 2\pi r\times \frac{n}{360}

Now we substitute central angle value and radius value in above equation.

Arc\ length = 2\pi 9\times \frac{15}{360}

Arc\ length = 18\times \pi \frac{15}{360}

Arc\ length = \frac{18\times 15}{360} \pi               ----------(\frac{18}{360}=\frac{1}{20})

Arc\ length = \frac{15}{20} \pi

Divide the numerator and denominator by 5.

Arc\ length = \frac{3}{4} \pi\ in

Therefore the arc length of the sector is \frac{3}{4} \pi\ in

4 0
3 years ago
SOMEONE HELP MEEEE PLS
DerKrebs [107]

Answer:

it's a scalene triangle

Step-by-step explanation:

None of the sides are equal

3 0
4 years ago
Find an<br> equation for the line through (-6, 3) and<br> parallel to y = 3x + 1.
Anika [276]

Since this line is parallel to y = 3x + 1 their slopes are equal. The slope is equal to 3. The line is also passing the point (-3,4).

This is the format of the line parallel to y = 3x + 1

y = 3x+ b

This line passes through point (-3, 4)

Replacing the values of y and x coming from the coordinates of (-3, 4)

4 = 3 * (-3) + b

Solving for the y-intercept b

4 = -9 + b

b = 4 + 9

b = 13

Knowing the slope as equal to 3 and the y-intercept as 13 the equation of the line is

y = 3x+13

7 0
3 years ago
Help please me with this ....
Nonamiya [84]
Ext. 13/44 hope it helpa
5 0
3 years ago
f a container contains 18,000 ounces (oz) of beans, about how many pounds (lb) does it contain? [1 pound = 16 ounces]
Ad libitum [116K]

1,125 Pounds, This is because 18,000 / 16 = 1,125.

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3 years ago
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