2 years ago

BASIC MATH

Mathematics

2 answers:

Ghella [55]2 years ago

7 0

B. Three. It is three because there is one decimal place in each factor.

Romashka [77]2 years ago

5 0

Answer:

B. Three.

Explanation:

Three because there is one decimal place in each factor and there are 3 factors.

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Estimate the value 9.03 + 19.87 x 3.11 - 4.97

dybincka [34]

Answer:

Step-by-step explanation:

For this problem you would first round everything. 9.03 becomes 9, 19.87 becomes 20, 3.11 becomes 3 and 4.97 becomes 5. You then just do the problem. 9 + 20 = 29, multiplied by 3 makes 87, 87 - 5 = 82.

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2 years ago

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MrRa [10]

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3 years ago

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11. John puts a fence around his rectangular backyard. The width of his backyard is 10 feet. He

Lady_Fox [76]

Length = 20 ft

If he uses 60 ft of fencing to line his rectangular backyard, then the perimeter is 60 ft.

Perimeter formula is ((Width × 2) + (Length × 2))

10 × 2 = 20

20 × 2 = 40

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2 years ago

Sin(3pi over 4) = _____

OlgaM077 [116]

If you're using the app, try seeing this answer through your browser: brainly.com/question/2790456

______________

$\mathsf{sin\!\left(\dfrac{3\pi}{4}\right)}\\\\\\ =\mathsf{sin\!\left(\dfrac{3\cdot 180^\circ}{4}\right)}\\\\\\ =\mathsf{sin(135^\circ)}\\\\ =\mathsf{sin(180^\circ-135^\circ)}$

$=\mathsf{sin(45^\circ)}\\\\ =\mathsf{\dfrac{\sqrt{2}}{2}}\quad\longleftarrow\quad\textsf{this is the answer.}$

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Tags: <em>sine sin common angles trig trigonometry </em>

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3 years ago

Is 16x+7 equivalent to 8(2x+9)-2

andrew-mc [135]

no beacuse when distributed it will be:

16x + 72 - 2

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3 years ago

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