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4 years ago

Help me if you know this ,Thanks

Mathematics

2 answers:

uranmaximum [27]4 years ago

6 0

The first answer. If you need help or anything. Ask me! have a good day! :)

dolphi86 [110]4 years ago

5 0

The answer is 185 ft 2.

Since it is a parralellogram you have to multiply the base x height.
And it has a 2 right next to it because you multiplied base x height

Hope it helps!~

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Please help on this (giving brainliest)

Dafna11 [192]

Answer:

81 cubic feet of wood

Step-by-step explanation:

Divide it into 5 sections, each 3 feet long because it is 15 feet long.

(1*3*3) + (2*3*3) + (3*3*3) + (2*3*3) + (1*3*3) =

9 + 18 + 27 + 18 + 9 = 81

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3 years ago

If f(x) = x² - 2x, find: ƒ(6) = [ ? ]

zhannawk [14.2K]

Answer:

Step-by-step explanation:

To find ƒ(6), we have to substitute x = 6 into the expression for ƒ(x):

ƒ(6) = (6)² - 2(6)

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2 years ago

Write the number in the form a+bi square root of -64+2?

Igoryamba

Answer:

$\sqrt{-64}+2=2+8i$

Step-by-step explanation:

$i=\sqrt{-1}\\\\\sqrt{-64}=\sqrt{(64)(-1)}\qquad\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ for\ a\geq0\ and\ b\geq0\\\\=\sqrt{64}\cdot\sqrt{-1}=8\cdot i=8i\\\\\text{Therefore:}\\\\\sqrt{-64}+2=8i+2=2+8i$

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3 years ago

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Alexxx [7]

Answer:

${105cm}^{2}$

Step-by-step explanation:

Im assuming it's asking for the area of the shape.

We need to break the shape into two sections as shown in the picture. First we find the area of the rectangle (9×10)

90cm^2

Now for the triangle section (3×10)÷2

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105cm^2

5 0

3 years ago

How would you place grouping symbols to make 2*2+3squared-4+3*5=14.

nignag [31]

Answer:

(2*2+3)squared-[(4+3)*5]

Step-by-step explanation:

(2*2+3)squared-[(4+3)*5]

= (4+3)squared-[7*5]

= 7 squared-35

= 49-35

= 14

8 0

3 years ago