3 years ago

Help ???????????? ?????

Mathematics

2 answers:

saveliy_v [14]3 years ago

7 0

Answer:

<h3>the answer is B</h3>

Step-by-step explanation:

laiz [17]3 years ago

3 0

Answer:

Step-by-step explanation:

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Convert the angle 0=14pi/9 radians to degree

Levart [38]

Answer:

280 degrees.

Step-by-step explanation:

To convert radians to degrees we multiply by 180/pi:

angle O = 14pi/ 9 * 180 / pi

= 14*180 / 9

= 280 degrees.

6 0

3 years ago

The graphs of the equation y = 4x + 1 and y - kx = 10 are perpendicular when k = _______?

Ann [662]

Answer:

$k=-\frac{1}{4}$

Step-by-step explanation:

we have

Line 1

$y=4x+1$

Equation in slope intercept form

The slope is equal to

$m_1=4$

Line 2

$y-kx=10$

$y=kx+10$

Equation in slope intercept form

The slope is equal to

$m_2=k$

we know that

If two lines are perpendicular, then their slopes are opposite reciprocal (the product of the slopes is equal to -1)

$m_1*m_2=-1$

substitute

$(4)(k)=-1$

$k=-\frac{1}{4}$

3 0

3 years ago

I need a helping hand

skelet666 [1.2K]

Answer:it’s the third one

Step-by-step explanation:

5 0

3 years ago

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The amount of time, in hours, babies spent sleeping in two different nurseries is shown on the dot plots below.

azamat

Answer:

The babies in Nursery 2 spent more time napping.

Step-by-step explanation:

i had took a test and got it right

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3 years ago

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5 tripled and another question is a number plus 14 equals to 9

hjlf

Answer:

5 tripled is 15, x=5

Step-by-step explanation:

14-9=5 which is the number you're looking for, and 3×5=15

3 0

3 years ago