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3 years ago

Helpppppp plsssssss!!!!!!! in the picture below

Mathematics

2 answers:

RUDIKE [14]3 years ago

7 0

Answer: 24
The area is length times width, or in this case: 6 times 4.

DedPeter [7]3 years ago

4 0

Answer:

266.67 feet^2.

Step-by-step explanation:

The scale is 1:40.

That means that if the scale has a width of 4 inches, the room will have a width of 4 * 40 = 160 inches. 160 / 12 = 80 / 6 = 40 / 3 feet.

The length in the model is 6 inches, so the room has a length of 6 * 40 = 240 inches. 240 / 12 = 120 / 6 = 60 / 3 = 20 feet.

The area will then be (40 / 3) * 20 = 800 / 3 = 266.67 feet^2.

Hope this helps!

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If u found a briefcase, and the ammount of money was your phone #, how much money did u find?

Maurinko [17]

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3 years ago

Which is the polynomial function of lowest degree with rational real coefficients, a leading coefficient of 3 and roots StartRoo

anastassius [24]

Answer:

$a) f(x)=3x^{3}-6x^{2}-15x+30$

Step-by-step explanation:

1) In this question we've been given "a", the leading coefficient. and two roots:

$x_{1}=\sqrt{5}\:x_{2}=2$

2) There's a theorem, called the Irrational Theorem Root that states:

If one root is in this form $x'=\sqrt{a}+b$ then its conjugate $x''=\sqrt{a}-b$ . is also a root of this polynomial.

Therefore

$x_3=-\sqrt{5}$

3) So, applying this Theorem we can rewrite the equation, by factoring. Remembering that x is the root. Since the question wants it in this expanded form then:

$f(x)=3(x-\sqrt{5})(x+\sqrt{5})(x-2)\Rightarrow 3x^{3}-6x^{2}-15x+30$

4 0

3 years ago

Read 2 more answers

These are the answer and the page it will help you solving it.

goldenfox [79]

You x all the sides together and add the 2 numbers you get

6 0

3 years ago

What is the third quartile of the given data set? {2, 5 ,6, 7, 15, 16, 17}

Tanya [424]

Series = {2, 5 ,6, 7, 15, 16, 17}

Here, Median = 7

Then Q3 = {15, 16, 17}
Median of Q3 = 16

In short, Your Answer would be: 16

Hope this helps!

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3 years ago

3.Write the product as a trinomial. (2r – 5)(r + 10)

Maurinko [17]

B is the correct answer

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3 years ago

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