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Deffense [45]
3 years ago
8

Write the following statement in if - then form.

Mathematics
2 answers:
PtichkaEL [24]3 years ago
8 0
If Eric plays piano, then David will sing. 
luda_lava [24]3 years ago
3 0
If Eric plays the piano then David will sing
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Write the equation of a line that is perpendicular to the given line that passes through the given point.
ipn [44]
<h2>Answer:</h2>

First we must find the opposite-reciprocal of the original slope.

current slope: \frac{7}{3}

new slope: -\frac{3}{7}

Using the new slope and the given point, we will plug them into slope-intercept form and solve for b, the y-intercept.

9 = -\frac{3}{7}(-4) + b\\\\9 = \frac{12}{7} + b\\\\-\frac{51}{7} = b

The y-intercept is -\frac{51}{7}.

Now, we can write the formula for the new line.

Slope-intercept form: y = -\frac{3}{7}x - \frac{51}{7}

Point-slope form: y - 9 = -\frac{3}{7}(x + 4)

3 0
3 years ago
The width of a rectangle measures (3.8b-1.5) centimeters, and it's length measures (4.3b-7.2) centimeters. Which expression repr
vivado [14]

Answer:

-17.4+16.2b

Step-by-step explanation:

I just guessed and it was right

6 0
2 years ago
Write an equation of the line that passes through the pair of points (5, 8) and<br> (9, 16).
SashulF [63]

Answer:

D: y = 2x - 2

Step-by-step explanation:

1. \frac{16-8}{9-5} = 2

2. y = 2x + b

3. Insert the points into the equation: 8 = 10 + b

4. b = -2

5. y = 2x - 2

6 0
2 years ago
Read 2 more answers
The scores on a quiz are normally distributed. The mean of the quiz is 93 and the standard deviation is 4.2. By using the Empiri
xz_007 [3.2K]

Answer:

any score that lies between 88.8 and 97.2 is within one std. dev. of the mean

Step-by-step explanation:

One std. dev. above the mean would be 93 + 4.2, or 97.2.  One std. dev. below the mean would be 93 - 4.2, or 88.8.

So:  any score that lies between 88.8 and 97.2 is within one std. dev. of the mean.

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3 years ago
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Amanda [17]

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The Sun warms our seas, stirs our atmosphere , generates our weather patterns, and gives energy to the growing green plants that provide the food and oxygen for life on Earth.

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2 years ago
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