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TiliK225 [7]
3 years ago
6

Please help! Will give Brainliest!

Mathematics
1 answer:
Zinaida [17]3 years ago
8 0

Answer:

B. 2 boxes.

Step-by-step explanation:

Area of the floor = 7 1/2 *  8 5/6

= 15/2 * 53/6

=  265/4 feet^2.

Now we divide this are by 1 square foot  giving a total of 265/4

= 66.25 tiles

so she needs 2 * 45 tiles boxes (answer).

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If y = 3x – 4 and the domain is { -3, -1, 4}, find the range. When the domain is -3, the range is ______. Show your work to find
Dafna1 [17]
<h2>Hello!</h2>

The answer is:

When the domain is -3, the range is -13.

<h2>Why?</h2>

To solve the problem, we need to remember that the domain is also known as the input of the function, and the range of the function is also known as the output of the function.

We are given the inputs and we are asked to calculate the output of the function at -3, so, evaluating -3 into the function, we have:

y=3x-4\\f(x)=3x-4\\f(-3)=3*(-3)-4=-9-4=-13\\

Hence, we have that when the domain is -3, the range is -13.

Have a nice day!

8 0
3 years ago
Use a special right triangle to find the value of y. Write as a decimal rounded to the nearest 10th
VladimirAG [237]

Given:

The figure of a right angle triangle.

To find:

The value of y.

Solution:

in a right angle triangle,

\sin \theta=\dfrac{Opposite}{Hypotenuse}

In the given right triangle,

\sin 60^\circ=\dfrac{6}{y}

\dfrac{\sqrt{3}}{2}=\dfrac{6}{y}

On cross multiplication, we get

\sqrt{3}y=12

y=\dfrac{12}{\sqrt{3}}

y=\dfrac{12\sqrt{3}}{3}

y=4\sqrt{3}

Therefore, the value of y is 4\sqrt{3} units.

7 0
3 years ago
10. Which equations could be used to solve<br> for x? Circle all that apply.
Wewaii [24]

Answer: B and D

Step-by-step explanation:

7 0
3 years ago
Find the slope of the line between the points (4, 10) and (-6, 10)
White raven [17]

Answer:

2

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
5 + 6 - (-3) - 8 + 4 -3
Komok [63]
Okay, so -

We have one very important thing here. This little part <em>6 - (-3). </em>

Now, it's essential to remember that when we have two negatives like this, we simply draw a line straight down. It becomes a positive! 

So, our question is essentially <em>5 + 6 + 3 - 8 + 4 - 3 = ?</em> instead of <em>5 + 6 - (-3) - 8 + 4 - 3!</em> =)

With that in mind, we simply solve left to right. 

<em>11 + 3 - 8 + 4 - 3 = ?</em>

<em>14 - 8  + 4 - 3 = ?</em>

<em>6 + 4 - 3 = ?</em>

<em>10 - 3 = ?</em>

<em>7</em> is our final answer! =)
6 0
3 years ago
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