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irinina [24]
3 years ago
8

Can someone please help me with questions 13-21?

Mathematics
1 answer:
posledela3 years ago
8 0
I got you 13-21 equal up to 8
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Solve this plsssssss
Naddik [55]

Answer:

On the x-axis, plot to the left at -4.

From the point -4, go up 1 and to the LEFT 2.

When you draw yours line, it is a dashed line so leave a little space in it.

Then you should shade above the line.

4 0
3 years ago
Suppose y varies inversely with x, and y = a when x = a 2. What inverse variation equation relates x and y ?
Sphinxa [80]

The variation equation is xy = a^3

<h3>How to determine the equation?</h3>

An inverse variation is represented as:

xy = k

Where k is the constant of variation

When y = a and x =a^2, we have:

k = a * a^2

Evaluate

k = a^3

Substitute k = a^3 in xy = k

xy = a^3

Hence, the equation is xy = a^3

Read more about variation at:

brainly.com/question/6499629

#SPJ1

6 0
2 years ago
Plz help find the rule 50 points
atroni [7]

Answer:

1², 2²,3², 4², 5², 6², 7², 8², 9², 10², 11², 12², 13², 14², 15², 16², 17², 18², 19², 20²,........

Each number is multiplied by itself.

4 0
3 years ago
Determine an exact value for sin _<br> 3π/4-tan 5π/6
iris [78.8K]

Answer:

\frac{3\sqrt{2}+2\sqrt{3}}{6} or \frac{\sqrt{2}}{2}+\frac{\sqrt{3}}{3}

Step-by-step explanation:

\sin\frac{3\pi}{4}-\tan\frac{5\pi}{6}\\\\\sin\frac{3\pi}{4}-\frac{\sin\frac{5\pi}{6}}{\cos\frac{5\pi}{6}}\\ \\\frac{\sqrt{2}}{2}-\frac{\frac{1}{2} }{-\frac{\sqrt{3}}{2}}\\ \\\frac{\sqrt{2}}{2}+\frac{1}{\sqrt{3}}\\ \\\frac{\sqrt{2}}{2}+\frac{\sqrt{3}}{3}\\ \\\frac{3\sqrt{2}}{6}+\frac{2\sqrt{3}}{6}\\ \\\frac{3\sqrt{2}+2\sqrt{3}}{6}

6 0
3 years ago
I need to find the area .
nikklg [1K]

Answer:

104 ft^2

Step-by-step explanation:

area of rectangle = 8 × 10 = 80

area of triangle = 1/2 × 6 × 8 = 24

∴total area = 104 ft^2

5 0
4 years ago
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