3 years ago

3t^8 in standard form

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

6 0

Answer:

that is in standard form?? are u talking about monomials?

Step-by-step explanation:

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If the surface area of a cube is 294 in² and the surface area increased by a scale factor of 3, what is the area of the enlarged

Thepotemich [5.8K]

Answer: $882\ in.^2$

Step-by-step explanation:

Given

The surface area of the cube is $294\ in.^2$

Surface area is increased by a scale factor of 3

Enlarged surface area is

$\Rightarrow 294\times 3=882\ in.^2$

7 0

3 years ago

Can someone help me find u?

nekit [7.7K]

Answer:

$\large\boxed{u=4}$

Step-by-step explanation:

$s=\dfrac{1}{2}(u+v)t\\\\\text{Substitute the values of}\ s,\ v\ \text{and}\ t\ \text{to the equation:}\\\\s=360,\ v=20,\ t=30\\\\\dfrac{1}{2}(u+20)(30)=360\qquad\text{multiply both sides by 2}\\\\2\!\!\!\!\diagup^2\cdot\dfrac{1}{2\!\!\!\!\diagup_1}(u+20)(30)=2\cdot360\qquad\text{use distributive property}\\\\30u+600=720\qquad\text{subtract 600 from both sides}\\\\30u=120\qquad\text{divide both sides by 30}\\\\u=4$