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larisa86 [58]
3 years ago
9

Emma is carpeting 2 perfectly square rooms.

Mathematics
1 answer:
ivolga24 [154]3 years ago
6 0

She's wrong. If you have two squares, S_1 with side s_1 and S_2 with side s_2, it's not true that the sum of their areas is equivalent to the area of a square S_3 with side s_3=s_1+s_2.

So, there's no point in summing the two sides. Instead, you have to compute the areas of the two squares and then sum them up.

So, the area of the first square is 2.7^2, and the area of the second square is 3.3^2.

Add these two numbers and you'll get how many squared meters of carpet she'll need.

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Solve the equation 4x^2 + 24x + 13 = 2x^2+ 6x to the nearest tenth.
Licemer1 [7]

Answer:

-0.8 and -8.2

Step-by-step explanation:

To solve a quadratic you first need to have one side of the equation equal to zero (because x-intercepts are when y is zero).

4x^2 + 24x + 13 = 2x^2 + 6x

2x^2 + 18x + 13 = 0

Then you can use the quadratic formula to solve for x. You will then come to

-18 ± sqrt(220) / 4

This will simplify out (rounding to the nearest tenth) to -0.8 and -8.2

6 0
2 years ago
Two lines and a point are guaranteed to be complainer if
Alexxandr [17]
I am here wondering watin dey do now aa
7 0
3 years ago
How can I simplify this expression using only positive exponents ?
belka [17]
\dfrac{4}{2}\cdot\dfrac{r^3}{r^5}=2\cdot\dfrac{1}{r^2}\\\\=\dfrac{2}{r^2}
5 0
3 years ago
How do you solve -36x+2/4 (the “/“ is because it’s a fraction)
butalik [34]

you cannot solve this because it is an expression.  you need an equals to make it an equation.

-36x + 2/4 is an expression which can be simplified

-36x+1/2

6 0
3 years ago
In the figure, a∥e , m∥n , and m∠2 = 117°.
Blizzard [7]
<span> a∥e , m∥n , and m∠2 = 117°
<5 = 180  - <2
<5 = 180 - 117
<5 = 63

answer
</span><span>63°</span>
3 0
3 years ago
Read 2 more answers
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