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3 years ago

What number is indicated on the number line

Mathematics

2 answers:

Burka [1]3 years ago

8 0

Mdnxndjddkdksjdndndkzzkxmxmdnf

g100num [7]3 years ago

3 0

Depends on the number line my guy

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Rosabell had 27 posters for the parade, she droppd 19 while marching in the parade. how many does she hav left.

vaieri [72.5K]

11, rosabell had 11 posters for the parade

8 0

3 years ago

Implicit differentiation of 1/x +1/y=5 y(4)= 4/19<br> y'(4)=?

Aneli [31]

$\frac{1}{x} +\frac{1}{y} = 5\\\\x^{-1}+y^{-1}=5\\$

Above, I changed the fraction form of x and y into exponential form so it is easier to see the differentiation. Now, we can differentiate:

$-1x^{-2}+-1y^{-2}\frac{dy}{dx}=5\\\\\frac{-1}{x^2}-\frac{1}{y^2}\frac{dy}{dx}=5\\\\-\frac{1}{y^2}\frac{dy}{dx}=5+\frac{1}{x^2}\\\\\frac{dy}{dx}=-5y^2-\frac{y^2}{x^2}$

Now that we have dy/dx, we can plug in the x, which is 4, and the y, which is 4/19. We know these values of x and y because your question stated y(4) = 4/19.

$\frac{dy}{dx}=-5(\frac{4}{19})^2-\frac{(\frac{4}{19})^2}{(4)^2}\\\\\frac{dy}{dx}=-5(\frac{16}{361})-\frac{(\frac{16}{361})}{16}\\\\\frac{dy}{dx}=\frac{-80}{361}-\frac{1}{361}\\\\\frac{dy}{dx}=\frac{-81}{361}$

5 0

3 years ago

PLEASE SOLVE THeSE QUESTIONS

g100num [7]

Heya!

Question #15:

To find the perimeter of the object, you can count the amount of squares that are on the outside of the object. After you country all around the object, the perimeters is 22 units (Option D)

Question #16:

Since we know the total perimeter, we can divide by the amount of sides a hexagon has because all of the sides are the same length. A hexagon has 6 sides. 42 / 6 = 7 inches (Option A)

Question #17:

To calculate the perimeter of the rectangle, you can add all the sides together. First, find common denominators.

6 1/2 = 6 2/4 and 3 1/4

Now, add all the sides together.

6 2/4 + 6 2/4 + 3 1/4 + 3 1/4 = 19 1/2 cm (Option B)

Question #18:

We can find the perimeter of the semi circle and square separately. Only take the perimeter of the square using 3 sides since the fourth sides is in the semi circle.

8 + 8 + 8 = 24 inches

Circumference of a semi circle formula: C = πd

C = (3.14)(8)

C = 25.12

Now, add both perimeters together.

24 + 25.12 = 49.12 inches (Option D)

Best of Luck!

3 0

2 years ago

Read 2 more answers

PLZ HELP THANKS! Find the equation of the line passing through the pair points (-8,6) (-9,-9). The equation of the line in the f

timurjin [86]

Answer:

The answer is

Step-by-step explanation:

To find the equation of the line we must first find the slope (m)

$m = \frac{y2 - y1 }{x2 - x1}$

So the slope of the line using points

(-8,6) (-9,-9) is

$m = \frac{ - 9 - 6}{ - 9 + 8} = \frac{ - 15}{ - 1} = 15$

So the equation of the line using point (-8,6) and slope 15 is

y - 6 = 15( x + 8)

y - 6 = 15x + 120

Writing the equation in the form

Ax+By=C

We have

15x - y = -120-6

The final answer is

Hope this helps you

8 0

2 years ago

Jeannie needs 2 cups of milk to make her homemade brownies. How many fluid ounces does Jeannie need?

vovikov84 [41]

Answer:

16 fluid ounces=2 cups

Hope this helps!

Step-by-step explanation:

8 0

3 years ago

Read 2 more answers