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Inessa05 [86]
3 years ago
13

4 1/5 in percentage ?

Mathematics
2 answers:
mamaluj [8]3 years ago
4 0

Answer:

4.2 percent

Step-by-step explanation:

sergejj [24]3 years ago
4 0

9514 1404 393

Answer:

  420%

Step-by-step explanation:

To convert any fraction or number to a percentage, multiply by 100%.

  (4 1/5) × 100%

  = 4×100% + 1/5×100%

  = 400% + 20% = 420%

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What is the midpoint of the segment joining the points (4, -2) and (-8, 6)? A. (6,4)
kvasek [131]

~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{4}~,~\stackrel{y_1}{-2})\qquad (\stackrel{x_2}{-8}~,~\stackrel{y_2}{6}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ -8 + 4}{2}~~~ ,~~~ \cfrac{ 6 -2}{2} \right)\implies \left( \cfrac{-4}{2}~~,~~\cfrac{4}{2} \right)\implies (-2~~,~~2)

6 0
3 years ago
Anyone know the answers?? Please help?
Murljashka [212]
24. C
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4 0
3 years ago
Graph the function. label the vertex and axis of symmetry<br> f(x) = -6x^2 - 4x - 5
VMariaS [17]

Answer:

Vertex is (-1/3, -13/3)

Axis of symmetry is x = -1/3

Step-by-step explanation:

For the vertex, you need to change it into vertex form which is y = a(x - h)^2 + k

Vertex form for this equation is:

Y = -6(x + 1/3)^3 - 13/3

To find the vertex, the formula is (h,k)

So, ( -1/3, -13/3)

6 0
3 years ago
Find the argument of the complex number -3–9 in the interval 0°&lt; ϴ &lt; 360°,
Bingel [31]

Answer:

\theta=251.6^\circ

Step-by-step explanation:

<u>Complex Numbers</u>

They are expressed as the sum of a real part and an imaginary part:

Z = a+b\mathbf{ i}

Complex numbers can also be expressed in polar form:

Z = r(\cos\theta+\sin\theta \mathbf{ i}) = r. cis(\theta)

Where r is the modulus of the complex number and θ is the argument.

The argument can be calculated by:

\displaystyle \tan\theta=\frac{b}{a}

The angle θ must be calculated in the appropriate quadrant depending on the signs of the real and imaginary parts.

The complex number is given as:

Z = -3 -9\mathbf{ i}

Here: a=-3, b=-9

Since both components are negative, the argument lies in the third quadrant (180° < θ < 270°).

\displaystyle \tan\theta=\frac{-9}{-3}

\displaystyle \tan\theta=3

\theta=\arctan(3)

The calculator gives the answer 71.6°, we need to adjust the angle to the third quadrant by adding 180°, thus

\mathbf{\theta=251.6^\circ}

6 0
3 years ago
8 less than the product of 134
Sergio [31]
126
Is the answer
Hope I helped
6 0
3 years ago
Read 2 more answers
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