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iren [92.7K]
3 years ago
5

Estimate the percent of 19% of 72?

Mathematics
1 answer:
Viefleur [7K]3 years ago
5 0
\frac{19}{100}*72 =  \frac{19}{50}*36= \frac{19}{25}*18=  13,68
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Given ABCD, AC=38, and AE=3x+4, find the value of x
sasho [114]

ANSWER

D 5

EXPLANATION

The diagonals bisect each other so,

AE=CE

This implies that

3x+4+3x+4=38

6x+8=38

Group similar terms

6x=38-8

6x=30

x=5

5 0
2 years ago
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I need some help with this calculus 1 question.
Cerrena [4.2K]

Answer:

(a) f'(1)=-4

(b) y+4x-4=0

Step-by-step explanation:

<u>Tangent Line of a Function</u>

Given f(x) a real differentiable function in x=a, the slope of the tangent line of the function in x=a is given by f'(x=a). Where f' is the first derivative of f.

We are given

y=x-x^5

The derivative is

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(a) The slope of the tangent line at (1,0) is

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(b) The equation of the tangent line can be found with the general formula of the line:

y-y_o=m(x-x_o)

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3 0
2 years ago
Find the area of the regular polygon 7 in​
nata0808 [166]

Ummmm that’s a triangle but I guess I’ll solve for both 7x7= 49/2= 24.5 triangle. Polygon is different but I guess if the perimeter and line to the center is both 7 okay 7x5= 35x7= 245/2= 122.5 cause triangle is wxL /2 and polygon is AxP/2 soooo I hope this helped

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2 years ago
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ladessa [460]
$25.12

Work:

23.99+3.60=27.59

27.59-4.51=23.08

23.08+0.95=24.03

24.03+2.17=26.20

26.20-1.08=25.12
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2 years ago
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How many solutions does this system have?
Sunny_sXe [5.5K]

Answer:

there is one solution in my opinion

Step-by-step explanation:

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3 years ago
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