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olga nikolaevna [1]
2 years ago
7

What is 10% of 100? Explain your work

Mathematics
2 answers:
Papessa [141]2 years ago
6 0

Answer:

10

Step-by-step explanation:

first turn percent into decimal,

10/100 = 0.10

then multiply 100 x 0.10 = 10

so therefore 10% 0f 100 is 10

Dominik [7]2 years ago
4 0

Answer: 10

Step-by-step explanation:

So, basically its just like 10 x 10. If you have 100 10% of 100 is 10

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mixer [17]

Answer:

igle is 180

VX

Step-by-step explanation:

AB

MA

B

F

с

AAB=BC,AM=MC

BM IAC , EF I BC1.38371248486|ᡕᠵ᠊ᡃ່࡚ࠢ࠘ ⸝່ࠡࠣ᠊߯᠆ࠣ࠘

8 0
2 years ago
Find the equation of the line normal to the curve of y=3cos1/3x, Where x=\pi
sertanlavr [38]

Answer:

y = \frac{\sqrt{2}x}{3} - \frac{\sqrt{2}\pi}{3} + 1.5

Step-by-step explanation:

The equation to the line normal to the curve has the following format:

y - y(x_{0}) = m(x - x_{0})

In whicm m is the derivative of y at the point x_{0}

In this problem, we have that:

x_{0} = \pi

y(x) = 3\cos{\frac{x}{3}}

y(\pi) = 3\cos{\frac{\pi}{3}} = \frac{3}{2}

The derivative of \cos{ax} is a\sin{ax}

So

y(x) = 3\cos{\frac{x}{3}}

y'(x) = 3*\frac{1}{3}\sin{\frac{x}{3}} = \sin{\frac{x}{3}}

m = \sin{\frac{\pi}{3}} = \frac{\sqrt{2}}{3}

The equation of the line normal to the curve of y=3cos1/3x is:

y - y(x_{0}) = m(x - x_{0})

y - \frac{3}{2} = \frac{\sqrt{2}}{3}(x - \pi)

y = \frac{\sqrt{2}}{3}(x - \pi) +  \frac{3}{2}

y = \frac{\sqrt{2}x}{3} - \frac{\sqrt{2}\pi}{3} + 1.5

8 0
3 years ago
Lesson 7: Solving Equations with Fractions 6th Grade Practice
Nezavi [6.7K]

Answer:

1.C

2. 130, answer not listed

3. A

4. B

5.C

Step-by-step explanation:

To solve equations with fractions, convert from a mixed number to an improper fraction then use the inverse. The inverse of a fraction is multiplying by the reciprocal of the fraction on both sides.

1.

2\frac{1}{4}r=10\\\\\frac{9}{4}r=10\\\\\frac{4}{9} *\frac{9}{4}r=10*\frac{4}{9}\\\\r=\frac{40}{9} \\\\r=4\frac{4}{9}

2.

\frac{h}{26}=5\\\\\frac{26}{1} *\frac{h}{26}=5*\frac{26}{1}\\\\h=130

3.

\frac{6}{7}k=6\\\\\frac{7}{6} *\frac{6}{7}k=6*\frac{7}{6}\\\\k=\frac{42}{6} \\\\k=7

4.

\frac{4}{5}x\\\\\frac{4}{5}*\frac{5}{8}\\\\\frac{20}{40} \\\\\frac{1}{2}

5.

\frac{h}{4/9} \\\\\frac{\frac{16}{3} }{\frac{4}{9} } \\\\\\\frac{\frac{16}{3} *\frac{9}{4}}{\frac{4}{9}*\frac{9}{4}}\\\\\frac{16}{3} *\frac{9}{4}\\\\\\\frac{144}{12} \\\\12

4 0
3 years ago
Alexander has a rectangular shed that has a width of 200cm. the length of it is 3 times the width what is the length?
adoni [48]
Width=200 cm, length=3 times 200(width)=600 cm

lights around the shed would be perimeter.
(200 x 2) + (600 x 2)=400+1200=1600 cm.
4 0
2 years ago
Triangle ABC has vertices A(–2, 3), B(0, 3), and C(–1, –1). Find the coordinates of the image after a reflection over the x-axis
slava [35]

Answer:

(-2,-3), (0,-3), (-1,1)

Step-by-step explanation:

When reflecting over an axis, the axis you are reflecting over stays the same while the opposite axis becomes its opposite number, like reflect (12, -9) over the y axis, the y (-9) would stay the same but the x (12) would become (-12)

4 0
2 years ago
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