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Lelechka [254]
3 years ago
9

Please help fast this has to be done by today can you also leave how you solved the problem thank you I will give points.

Mathematics
1 answer:
blagie [28]3 years ago
6 0

Answer:

B

Step-by-step explanation:

  • First find the perdendicular slope (flip and change sign) : m= -\frac{1}{4}
  • Then set up your equation using the given ordered paired to find your y-intersept: -1 = -\frac{1}{4} (5) + b
  • Caluclate the product: -1 = -\frac{5}{4} + b
  • Move the variable to the left-hand side and change its sign : -b - 1 = -\frac{5}{4}
  • Calculate the sum: -b = - \frac{1}{4}
  • Change the sign : b= \frac{1}{4}
  • Use the slope and y-intersept to creat the equation: y = -\frac{1}{4}x + \frac{1}{4}
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NO LINKS!!! Find the measurement indicated. Round your answer to the nearest tenth.<br><br>​
My name is Ann [436]

Answer:

<u>Solutions given;</u>

<u>Using cosine rule</u>

b²=a²+c²-2*a*c*cos B°

b²=15²+8²-2*15*8*cos39

b²=102.48

b=\sqrt{102.48}

b=10.12

b=10.1

<u>Using sine rule</u>

\frac{sin A}{BC} = \frac{sin B}{AC}  =\frac{sin C}{AB}

\frac{sin 29°}{15}  =\frac{sin C}{8}

<u>Doing criss cross multiplication</u>

Sin C=\frac{sin 29°}{15} ×8

m<C=Sin -¹(0.29)

m<C=14.98

<u>m<C=15°</u><u>is</u><u> </u><u>a</u><u> </u><u>required</u><u> </u><u>answer</u><u>.</u>

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3 years ago
The equation of a circle is (X-3)² + (Y+5)²=25
Gala2k [10]
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4 years ago
Analyze the pre-image ABCD. What are the vertices of the final image if T–1, –2 ◦ ry = x is applied to figure ABCD?
mariarad [96]

Answers:

A''(3, 0); B''(3, 2); C''(1, 1); D''(1, -1)

Explanation:

We perform the reflection across y=x first.  This reflection switches the x- and y-coordinates; this maps:

A(2, 4)→A'(4, 2)

B(4, 4)→B'(4, 4)

C(3, 2)→C'(2, 3)

D(1, 2)→D'(2, 1)

Next we perform the translation.  This translation shifts the figure 1 unit left and 2 units down, by subtracting 1 from the x-coordinate and 2 from the y-coordinate.  This maps:

A'(4, 2)→A''(3, 0)

B'(4, 4)→B''(3, 2)

C'(2, 3)→C''(1, 1)

D'(2, 1)→D''(1, -1)

6 0
3 years ago
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miss Akunina [59]

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Step-by-step explanation:

6 0
4 years ago
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yuradex [85]

Answer:

<em>0.15</em>

Step-by-step explanation:

Given the expression that relates the distance and the time with the expression:

d = 0.15t

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To determine how fast it is flying (Speed), we will need to use the formula

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From the given equation we can se that 0.15 = d/t

Comparing this to the general equation, we will see that s = 0.15

<em>Hence the airplane is flying at 0.15</em>

7 0
3 years ago
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