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REY [17]
3 years ago
8

A Norman window has a length of 3 ft and width of 4 ft find the area of the rectangular piece of the glass

Mathematics
1 answer:
KengaRu [80]3 years ago
7 0

Area= Length * Width

3*4= 12

Answer: 12ft^2

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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!! I CANNOT RETAKE THIS!!<br><br> Simplify.
NNADVOKAT [17]

Answer:  \frac{2x(5x + 1)}{4x - 1}

<u>Step-by-step explanation:</u>

\frac{4x^{3}-12x^{2}}{4x^{2}+7x - 2} ÷ \frac{2x^{2}-6x}{5x^{2}+11x + 2}

= \frac{4x^{2}(x - 3)}{(4x - 1)(x + 2)} ÷ \frac{2x(x - 3)}{(5x + 1)(x + 2)}

= \frac{4x^{2}(x - 3)}{(4x - 1)(x + 2)} x \frac{(5x + 1)(x + 2)}{2x(x - 3)}

= \frac{2x(5x + 1)}{4x - 1}

8 0
3 years ago
In ∆MNP, m∠N = 90º, NH – altitude, m∠P = 21º, PM = 4 cm. Find MH.
Sveta_85 [38]

Answer:

0.51 cm

Step-by-step explanation:

In right triangle MNP, MP = 4 cm, m∠N = 90°, m∠P = 21°

By the sine definition,

\sin \angle P=\dfrac{\text{Opposite leg}}{\text{Hypotenuse}}=\dfrac{MN}{MP}\\ \\MN=MP\sin \angle P\\ \\MN=4\sin 21^{\circ}\approx 1.43\ cm

Now, consider right triangle HMN (it is right because NH is an altitude). By the cosine definition,

\cos \angle M=\dfrac{\text{Adjacent leg}}{\text{Hypotenuse}}=\dfrac{MH}{MN}\\ \\MH=MN\cos \angle M

In the right triangle, two acute angles are always complementary, so

m\angle M=90^{\circ}-m\angle P=90^{\circ}-21^{\circ}=69^{\circ}

Thus,

MH=1.43\cos 69^{\circ}\approx 0.51\ cm

7 0
3 years ago
What's the difference between
yanalaym [24]
<span>I cant stand brainly they removed my account i had ONE warning i hope you see this brainly shove a big one up there and remove this account too</span>
6 0
3 years ago
What is correct order 3×4÷2
Bad White [126]
Multiplying then divide
5 0
3 years ago
What is equivalent to 5(x + 12)<br><br> A x +12<br> B 2x - 60<br> C 5x + 60<br> D 2x - 60
Alex73 [517]

<u>Answer:</u>

\boxed{\boxed{\pink{\sf Option \ C \ is \ correct .}}}

<u>Step-by-step explanation:</u>

Given to us is , 5 ( x + 12 ) and we need to find which is its equivalent in the given options .

So,

\bf = 5 ( x + 12 ) \\\\=\bf 5x + 5\times 12 \\\\=\boxed{\red{\bf 5x + 60 }}

<h3><u>Hence</u><u> </u><u>opt</u><u>ion</u><u> </u><u>C </u><u>is</u><u> correct</u><u>.</u></h3>

4 0
2 years ago
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