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3 years ago

Kim is repainting a storage trunk shaped like a rectangular prism as shown.

Mathematics

1 answer:

amid [387]3 years ago

7 0

Answer:

i got 54ft^2

Step-by-step explanation:

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Dave wants to put a row of tiles in his kitchen. The row has to be 3 meter long. Each tiles is a square, with 25 cm sides. How m

ladessa [460]

Answer:the answer is b or c

Step-by-step explanation:

8 0

3 years ago

Sin^2(x/2)=sin^2x Find the value of x

Veronika [31]

$\sin^2\dfrac x2=\sin^2x$
$\dfrac{1-\cos x}2=1-\cos^2x$
$1-\cos x=2-2\cos^2x$
$2\cos^2x-\cos x-1=0$
$(2\cos x+1)(\cos x-1)=0$
$\implies\begin{cases}2\cos x+1=0\\\cos x-1=0\end{cases}$ $\implies\begin{cases}\cos x=-\frac12\\\cos x=1\end{cases}$

The first case occurs in $0\le x$ for $x=\dfrac{2\pi}3$ and $x=\dfrac{4\pi}3$ . Extending the domain to account for all real $x$ , we have this happening for $x=\dfrac{2\pi}3+2n\pi$ and $\dfrac{4\pi}3+2n\pi$ , where $n\in\mathbb Z$ .

The second case occurs in $0\le x$ when $x=0$ , and extending to all reals we have $x=2n\pi$ for $n\in\mathbb Z$ , i.e. any even multiple of $\pi$ .

6 0

3 years ago

2 What is the constant in the expression 8x3 + 5 + 7x2 + 6x? A 8 B 5 C 7 D 6

lys-0071 [83]

Answer:
D) 6
Step by step explanation:
6x is the coefficient the constants would be 8,3,5,7 and 2.

Coefficient is the number with a variable and a constant is a number on its own.

Hopefully this helped!!

3 0

3 years ago

Brainliest to correct answer

Kruka [31]

Step-by-step explanation:

The graph of a proportional relationship is a line through the origin. When ratios between quantities are not constant, a relationship may be linear but not proportional and the graph does not pass through the origin. Example : ... Explain why the relationship between number of tickets and total cost is not proportional.

So if it does not pass through the the origin, it’s not proportional.

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3 years ago

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5 guys split 3 burgers. How much of a burger does each guy get?

Anna [14]

5 because their are 5 burgers

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3 years ago

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