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masya89 [10]
3 years ago
15

Calculate the area of a rectangle if its dimensions are listed below:

Mathematics
2 answers:
Doss [256]3 years ago
4 0

Answer:

{ \boxed{ \tt{area = (length \times width)}}} \\  \\ { \tt{area = (10x \times 7x)}} \\  \\ { \tt{area = 70x^2)}} \\  \\ → \: { \boxed{ \tt{area = 70x^2}}}

Marizza181 [45]3 years ago
3 0

Answer:

Length=10x

Breadth=7x

Area=10x×7x

=70x²

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kakasveta [241]

Answer:

roots : 4, -4, i, -i

Step-by-step explanation:

This gets a bit tricky.

We have to substitude x^2 as u in this problem.

Now to rewrite x^4 − 15x^2 − 16 = 0 with u, we get

u^2 - 15u - 16 = 0

( u - 16) (u + 1)

U = 16

U = -1

<em>This is not the end of the problem. </em>

Now we have to substitute x^2 back to u.

x^2 = 16  --> we get the roots 4 and -4

x^2 = -1 --> we get the roots i and -i

tadah!

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2 years ago
Answer the following
serg [7]

Answer:

Step-by-step explanation:

61)4 + 5(p-1) = 34     {Distributive property}

    4 + 5p - 5 = 34   {Add like terms}

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             5p  = 34+1

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                p  = 35/5

               p = 5

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              x = 130/2

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Larger angle = 65 + 50 = 115

63) ΔBAD , ΔBCD

BA ≅ BC

∠A ≅ ∠C

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6 0
2 years ago
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Answer:

Yes this is correct. Each x value is put with only one y value.

Step-by-step explanation:


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The answer the answer is appropriately 40
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A

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