2 years ago

Help Help Help HELPPP MEEE PLEASEE :<

Mathematics

1 answer:

Galina-37 [17]2 years ago

3 0

Answer:

5600 × 7 = 32, 000 You should multiply

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Find the value of y when x equals -1. 8x - 2y =10

Artyom0805 [142]

Answer:

y = - 9

Step-by-step explanation:

Substitute in -1 for x

8(-1) - 2y = 10

-8 - 2y = 10

Subtract -8 from both sides

-8 - (-8) cancels out to 0

10 - (-8) = 18

We are left with:

-2y = 18

Divide by -2 on both sides.

-2y/-2 = y

18/-2 = -9

y = -9

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3 years ago

A square is sometimes a rhombus

Veseljchak [2.6K]

Answer:

This would be true.

Step-by-step explanation:

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3 years ago

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-3(6) + 2(3) - 18 = 6 Is this incorrect or correct and why ?

KiRa [710]

It is incorrect because when you times a negative by a positive. It is a negative number.

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3 years ago

Evaluate the line integral c y3 ds, c.x = t3, y = t, 0 â‰¤ t â‰¤ 3

Temka [501]

$\displaystyle\int_{\mathcal C}y^3\,\mathrm dS=\int_{t=0}^{t=3}t^3\sqrt{1^2+(3t^2)^2}\,\mathrm dt=\int_0^3t^3\sqrt{1+9t^4}\,\mathrm dt$

Take $u=1+9t^4$ so that $\mathrm du=36t^3\,\mathrm dt$ . Then

$\displaystyle\int_{\mathcal C}y^3\,\mathrm dS=\frac1{36}\int_{u=1}^{u=730}\sqrt u\,\mathrm du=\frac{730^{3/2}-1}{54}$

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3 years ago

What operation makes the statement true; 18 __ (-20) =-2

8090 [49]

Answer:

18-20=-2

Step-by-step explanation:

18-20=-2

18+(-20)=-2

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3 years ago

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