3 years ago

HELP! BRAINLIEST!

Mathematics

1 answer:

kogti [31]3 years ago

6 0

Answer:

Given that rotating 90 degrees clockwise around the origin switches the x andy values and makes the new y value negative, we can, for example, switch (2, 1) to (1, -2). 180 degrees clockwise simply makes both values negative (-2, -1), and 270 degrees clockwise switches them and makes the new y value negative (-1, 2), we can plug those in to our JM endpoints to turn (-5, 1) into (-1, -5) and (-6, 2) into (-2, -6)

Step-by-step explanation:

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The ratio of grade 7's to grade 8's is 5:3. If there

Greeley [361]

Answer:

240 students

Step-by-step explanation:

Grade 7 : Grade 8 = 5 : 3

Number of seventh grade students = 5x

Number of Eighth grade students = 3x

3x = 90

x = 90÷3

x = 30

Total students = 5x + 3x = 8x = 8 * 30 = 240

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3 years ago

The graph of a quadratic function has roots at -3 and -7 and a vertex at (-5, 4). What is the equation of the function in vertex

melomori [17]

Answer:

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Step-by-step explanation:

The roots are -3 and -7, so:

y = a (x + 3) (x + 7)

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y = a (x² + 10x + 25 − 4)

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The vertex is (-5, 4), so a = -1.

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Alika [10]

Answer:

a) $\frac{1}{cos(2x)}$

Step-by-step explanation:

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Jlenok [28]

Answer:

Your answer is: ↓

A) 8

B) 5

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Reduce the expression, if possible, by cancelling the common factors.

Step-by-step explanation:

Hope this helped : )

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3 years ago