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Elena L [17]
3 years ago
11

I need help fast! Thanks!

Mathematics
1 answer:
forsale [732]3 years ago
8 0

Answer:

Brown Flavor

Step-by-step explanation:

Mr. SlPPY HURT ME

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Three different units of measurement that could be used to identify area
vitfil [10]

Answer:

i hope it helps u........

8 0
3 years ago
Un triángulo rectángulo tiene un área de 84 pies2 y una hipotenusa de 25 pies de largo. ¿Cuáles son las longitudes de sus otros
jolli1 [7]

Answer:

7 feet and 24 feet

Step-by-step explanation:

In the right triangle, the hypotenuse is 25 feet long. The area of this triangle is 84 square feet.

Let x feet and y feet be the lengths of triangle's legs.

By the Pythagorean theorem,

x^2+y^2=25^2\\ \\x^2+y^2=625

The area of the right triangle is half the product of its legs, thus

84=\dfrac{1}{2}xy\\ \\xy=168

Solve the system of two equations:

\left\{\begin{array}{l}x^2+y^2=625\\ \\xy=168\end{array}\right.

From the second equation:

x=\dfrac{168}{y}

Substitute it into the first equation:

\left(\dfrac{168}{y}\right)^2+y^2=625\\ \\168^2+y^4=625y^2\\ \\y^4-625y^2+168^2=0\\ \\D=(-625)^2-4\cdot 168^2=(625-2\cdot 168)(625+2\cdot 168)=289\cdot 961=17^2\cdot 31\\ \\\sqrt{D}=17\cdot 31=527\\ \\y^2_{1,2}=\dfrac{-(-625)\pm 527}{2}=49,\ 576\\ \\y_1=7,\ y_2=-7,\ y_3=24,\ y_4=-24

The length of the leg cannot be negative, so

y_1=7\Rightarrow x_1=\dfrac{168}{7}=24\\ \\y_2=24\Rightarrow x_2=\dfrac{168}{24}=7

6 0
3 years ago
The low temperature last month was<br> -5˚F. What is the absolute value of -5?
solong [7]
5

The reason is because |-5| is equal to 5. The absolute value bars make the number positive.
4 0
3 years ago
Hence, or otherwise, write down the coordinates of the turning point of the graph of
Inessa05 [86]

Answer:

\frac{1}{2}  \frac{45}{2}

6 0
3 years ago
HELP!<br>What is the surface area of this shape?​
omeli [17]
Ok so we are gonna find the area or the rectangles on the object

Area of rectangle 1 = length x width
= 6 x 20
= 120 m square

Multiply the area of rectangle 1 by 2 because there are two same shaped rectangle.

120 x 2
=240 m square

Area of rectangle 2 = 30 x 6
= 180 m square

Multiply the area of rectangle 2 by 2 because there are two same shaped rectangle.

180 x 2
=360 m square

Area of rectangle 3 = 30 x 20
= 600 m square

Multiply the area of rectangle 3 by 2 because there are two same shaped rectangle.

600 x 2
=1200 m square

Then add all the area of the rectangles.

240 + 360 + 1200
= 1800 m square

Therefore the surface area is 1800 m square
7 0
3 years ago
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