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Licemer1 [7]
3 years ago
15

1). 4✓(384.5)*2. 2.). evaluate 5✓0.00874​

Mathematics
1 answer:
vladimir1956 [14]3 years ago
8 0

Answer:

<u>ANS</u><u> </u><u>OF</u><u> </u><u>2</u><u> </u><u>MIGHT</u><u> </u><u>BE</u><u> </u><u>IS</u><u> </u><u>0</u><u>.</u><u>4</u><u>6</u><u>7</u><u>4</u><u>3</u>

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3 years ago
Determine the axis of symmetry for the function f(x) = −4(x + 7)2 − 3.
spayn [35]

Answer:

  x = -7

Step-by-step explanation:

The vertex form of this equation tells us it is a downward-opening parabola with its vertex at (-7, -3). The line of symmetry is the vertical line through the vertex: x = -7.

___

Vertex form is ...

  y = a(x -h) +k

where a is the vertical expansion factor, and (h, k) is the vertex. When a < 0, the parabola opens downward. When a > 0, it opens upward. (When a=0, the "parabola" is a horizontal line at y=k.)

6 0
3 years ago
Step by step on how to do this plz
Dennis_Churaev [7]

Answer:

Rational, irrational, irrational

Step-by-step explanation:

A) sqrt(16)=4 which is rational

B) and C) are both irrational

6 0
3 years ago
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Find the equations of the tangents to the curve x = 9t2 + 9, y = 6t3 + 6 that pass through the point (18, 12).
Oxana [17]
Check the attached file for the answer.

6 0
4 years ago
Each base angle of an isosceles triangle measures 55° 30'. Each of the congruent sides is 10 centimeters long. Estimate the foll
kogti [31]

Answer:

55 deg 30 Minutes = 55.5 degrees  

sin = opp/hyp  

sin(55.5) = altitude/10  

Altitude = 10*sin(55.5)  

Altitude = 10 * sin(55.5) = 8.241261886  

Rounded to nearest 10th  

Altitude = 8.2 cm  

b. for base use Low of Cosines  

Let C = base  

Side A and B = length 10 Cm  

c^2 = 2*a^2 -2a^2*cos(<C)  

<C = 180 - 2*55.5 = 180 -111 = 69 degrees  

c = sqrt ( 2a^2 - 2a^2*cos(<C)  

c = sqrt ( 2*100- 200*cos(69))  

c = sqrt (200 - 200*cos(69) ) = 11.32812474  

Answer base  

c = 11.3 cms  

c.  

Area = (1/2)*b * h  

Area = (1/2)*(answer a * answer b)  

Area = (1/2)* 11.32812474* 8.241261886 = 46.67902132  

Area = 46.7 (rounded)  

Area = ( 1/2) * a*b*sin(<C) = (1/2)*10*10*sin(69) =  

Area = 50* sin(69) = 46.67902132  

Area = 46.7 (rounded)

Step-by-step explanation:

3 0
3 years ago
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