3 years ago

Is this equation linear? 1/3x-2y=7 I NEED HELP ASAP please

1 answer:

8 0

In highest poer of placholder is 1 then it is linear

1/3x^1-2y^1=7
it is linear
yes it is

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Alekssandra [29.7K]

Its is 74 because you add all of them then subtract it from the total which in your case is 360

4 0

3 years ago

VashaNatasha [74]

Answer:

Step-by-step explanation:

1 are = 100 m²

Assuming the ten squares are congruent, the area of each square is 160/10 = 16 are

16 are × 100 m²/are = 1600 m²

each side is √1600 = 40 m

7 0

3 years ago

otez555 [7]

The cosine of 30° is √3 / 2.

Since cosine is Adjacent over Hypotenuse, Hypotenuse = (2 / √3) * 9 = 18 / √3.

The cosine of 45° is √2 / 2.

Therefore, X = (2 / √2) * (18 / √3) = 36 / √6 = 18 / √1.5 = C

8 0

3 years ago

Black_prince [1.1K]

Let the number x.

Then the number divided by 2 gives

$\frac{x}{2}$

Subtract 3.8 from the quotient gives

$\frac{x}{2}-3.8$

Hence,

$\frac{x}{2}-3.8=7$ $\begin{gathered} \frac{x}{2}-3.8=7 \\ \frac{x}{2}=7+3.8=10.8 \\ \Rightarrow x=2\times10.8=21.6 \end{gathered}$

x = 21.6

5 0

1 year ago

larisa [96]

I think it's 36. Because 7x3=21 and 12x3=36

4 0

3 years ago