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Mekhanik [1.2K]

3 years ago

14

Please help, I need to determine the slope and y-intercept for each group. I need to write an equation for the graph in slope-in

tercept form.

2 answers:

deff fn [24]3 years ago

6 0

The slope I think in -3

Readme [11.4K]3 years ago

4 0

Answer:

Step-by-step explanation:

Slope: -3

Y intercept: 0

Equation: y=-3x+0

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Find the area of the given figure.

marissa [1.9K]

84.6 km2 is the answer

6 0

3 years ago

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(5/6)÷ 2 <br>A 10/6<br>B 5/12<br>C 4/1/6<br>D 1/1/3

Ipatiy [6.2K]

Answer: B) 5/12

Step-by-step explanation:

5/6 divided by 2 is the same as 5/6 x 1/2

5 0

3 years ago

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Mary is making some shirts for her school's drama department. The fabric store has 3 1/6 yards of the fabric she wants in stock.

ddd [48]

The answer is <span>4 3/4 yards of the fabric.</span>

This can be calculated using the proportion.
If the 3 1/6 yards of the fabric is enough for <span>1 1/3 shirts, how many yards are necessary of 2 shirts:
</span> $3 \frac{1}{6} yards :1 \frac{1}{3}shirts =xyards:2shirts$

Let's express 3 1/6 as 19/6:
$3 \frac{1}{6} =3+ \frac{1}{6} = 3* \frac{6}{6}+ \frac{1}{6} = \frac{18}{6} + \frac{1}{6} = \frac{18+1}{6} = \frac{19}{6}$

Similarly, 1 1/3 = 4/3:
$1 \frac{1}{3} =1+ \frac{1}{3} = 1* \frac{3}{3}+ \frac{1}{3} = \frac{3}{3} + \frac{1}{3} = \frac{3+1}{3} = \frac{4}{3}$

Now, let's use this in the proportion:
<span> $3 \frac{1}{6} yards :1 \frac{1}{3}shirts =xyards:2shirts$
</span> $\frac{19}{6} : \frac{4}{3} = x:2$

Crossing the products:
$x* \frac{4}{3} =2* \frac{19}{6}$
⇒ $x* \frac{4}{3} = \frac{19}{3}$
⇒ $x = \frac{19}{3} : \frac{4}{3}$
$x= \frac{19}{3} * \frac{3}{4}$
⇒ $x = \frac{19}{4} = \frac{16+3}{4} = \frac{16}{4} + \frac{3}{4} =4+ \frac{3}{4} =4 \frac{3}{4}$

Therefore, Mary needs in total 4 3/4 yards of the fabric.

6 0

3 years ago

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6×1(4+7)÷8×19(7-13)<br><br>solve and the correct answer wins the Brainlist

alukav5142 [94]

Answer:

-940.5

Step-by-step explanation:

3 0

3 years ago

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A cylindrical roller with diameter 77 cm and height 1 m is used to level a rectangular park with dimensions22 × 11 . Find the nu

Vlad [161]

Answer: The number of revolutions required to level the park is 100.

Step-by-step explanation:

Given : Diameter of roller = 77 cm

Then radius of roller : r = $\dfrac{77}{2}\ cm$

Height = 1 m = 100 cm

Curved surface area of roller = $2\pi rh= 2\times\dfrac{22}{7}\times\dfrac{77}{2}\times100=24200\ cm^2$

Dimensions of park = 22 × 11 m

Then Area of park = $22\times11\ m^2= 232\ m^2=232\times100\times100 \ cm^2$

$=2420000\ cm^2$

Now , the number of revolutions required to level the park = (Area of park) ÷ (Curved surface area of roller )

$2420000\div 24200=100$

Hence, the number of revolutions required to level the park is 100.

7 0

3 years ago