If temperature sent of X is 20 what is 23% of X

Mathematics

2 answers:

MA_775_DIABLO [31]3 years ago

8 0

23x I think sorry if im wrong

Anna007 [38]3 years ago

5 0

20*23%(.23)=4.6
So the answer would be 4.6

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You help your dad build a dog house for your dog. You tell him that it would be easy to build a dog house in the shape of a tent

Effectus [21]

3 feet tall
If it is in the shape of a tent and the floor is 8 feet across half of it cut down the middle would be 4 ft, you create a right triangle and can use the Pythagorean theorem to solve for the height. 5 is the hypotenuse and 4 is a leg.
a^2 + b^2 = c^2
Plug in the values known
4^2 +b^2 = 5^2
simplify
16+b^2=25
subtract 16 from both sides
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b=3 the hight is 3 ft

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3 years ago

Name 3 integers greater than -3.

Setler [38]

Answer:

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5 0

2 years ago

Kathy lives directly east of the park. The football field is directly south of the park. The library sits on the line formed bet

enyata [817]

Look at the picture in the attachment.

Using the Pythagorean theorem, set up a system of three equations:
$x^2+y^2=(12+9)^2 \\
12^2+z^2=x^2 \\
9^2+z^2=y^2 \\ \\
x^2+y^2=441 \\
144+z^2=x^2 \\
81+z^2=y^2$

$\hbox{substitute } 144+z^2 \hbox{ for } x^2 \hbox{ and } 81+z^2 \hbox{ for } y^2 \hbox{ in the first equation:} \\
144+z^2+81+z^2=441 \\
225+2z^2=441 \\
2z^2=441-225 \\
2z^2=216 \\
z^2=\frac{216}{2} \\
z^2=108 \\
z=\sqrt{108} \\
z=\sqrt{36 \times 3} \\
z=6\sqrt{3} \\ z \approx 10.39$

$81+z^2=y^2 \\
81+108=y^2 \\
189=y^2 \\
\sqrt{189}=y \\
\sqrt{9 \times 21}=y \\
y=3\sqrt{21} \\ y \approx 13.75$

a. The library is approximately 10.39 miles (exactly: 6√3 miles) from the park.
b. The park is approximately 13.75 miles (exactly: 3√21 miles) from the football field.