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2 years ago

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Mathematics

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Sergeeva-Olga [200]2 years ago

6 0

Answer: 80

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what is an equation of the line that is parallel to y equals negative 4x - 5 and passes through the point -2, 6

Bond [772]

y = - 4x - 2

the equation of a line in slope-intercept form is

y = mx + c ( m is the slope and c the y-intercept )

y = - 4x - 5 is in this form

with slope m = - 4

• Parallel lines have equal slopes

y = - 4x + c ← is the partial equation

To find c substitute (- 2, 6 ) into the partial equation

6 = 8 + c ⇒ c = 6 - 8 = - 2

y = - 4x - 2 ← equation of parallel line

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2 years ago

What is the solution set for the open sentence with the given replacement set? 4y + 2 = 18, {4, 5, 6, 7}

4vir4ik [10]

+2 crosses the equal sign to become 4y=18-2,as 18-2=16 so you get 4y=16 and finally divide both sides by 4,as 4 goes into 16,4 times,therefore,y=4

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2 years ago

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The vertices of a trapezoid are located at (1, 2), (3, 1), (3, 5), (1, 4). The trapezoid is translated 4 units to the right. Wha

padilas [110]

Answer:

Suppose that we have a given point (x, y)

If we translate this point N units to the right, then the new coordinates of the point are:

(x + N, y)

Ok, now if we know that the vertices of the trapezoid are:

(1, 2), (3, 1), (3, 5), (1, 4)

And we move the whole figure 4 units to the right, then all the vertices are moved 4 units to the right.

Then the new vertices of the figure will be:

(1 + 4, 2) = (5, 2)

(3 + 4, 1) = (7, 1)

(3 + 4, 5) = (7, 5)

(1 + 4, 4) = (5, 4)

Then the coordinates of the image of the trapezoid (of the new vertices) are:

(5, 2), (7, 1), (7, 5), (5, 4)

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3 years ago

The tree diagram represents an experiment consisting two trials

zavuch27 [327]

Answer:

0.35

Explanation:

P ( B and D )

0.5 * 0.7

0.35

<u>Follow the branch B and then branch D</u>

multiply both the selected probabilities to calculate total probability.

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2 years ago

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What is the answer 27x^3-1=0

chubhunter [2.5K]

X=cubic root 2/27
Glad to help

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3 years ago

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