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3 years ago

-2(1/2x-1)=4

Mathematics

1 answer:

Harman [31]3 years ago

6 0

-2(1/2x-1)=4 distribute the -2

-1x+2=4 subtract 2 from both sides

-1x=2 divide -1 on both sides

x=-2 answer

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Will give brainliest!!

yawa3891 [41]

Answer:

$r=\frac{9\cos \theta}{\sin^2 \theta}$

Step-by-step explanation:

The given equation in rectangular coordinates is;

$y^2=9x$

We use the relation;

$x=r\cos \theta$

and

$y=r \sin \theta$

This implies that;

$(r \sin \theta)^2=9(r \cos \theta)$

$r^2 \sin^2 \theta=9r \cos \theta$

Divide through by r to get;

$r \sin^2 \theta=9\cos \theta$

Divide both sides by $\sin^2 \theta$

$r=\frac{9\cos \theta}{\sin^2 \theta}$

8 0

4 years ago

3 tons = ________ how many pounds

Serga [27]

Answer:

6000 pounds

Step-by-step explanation:

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6 0

3 years ago

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11. This picture shows a table in the shape of a regular hexagon.

disa [49]

Answer:

Sum of interior angles = 720°

One interior angle = 120°

Step-by-step explanation:

Sum of interior angles = 180°(n-2)

Where n is the number of sides in a polygon

Therefore, one angle in a regular polygon will be (180°(n-2))÷n

Hence

Sum of interior angles= 180°(6-2)

= 720°

One interior angle = 720°÷6

= 120°

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3 years ago

Geometry, any idea?

Pepsi [2]

Answer:

Step-by-step explanation:

15x-31+9×+11+×=180

25×-20=180

25×=200

×=8

15(8)-31=89

9(8)+11=83

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3 years ago

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Nady [450]

Answer:

1 $\frac{3}{4}$

Step-by-step explanation:

To find the answer, we divide the number of apples by the number of bags. This means we do 7 ÷ 4

7 ÷ 4 = 1.75

1.75 in fraction form is 1 $\frac{3}{4}$

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3 years ago

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