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3 years ago

Becca and Kimberly are running at a constant speed in a marathon. Becca runs at 4.5 miles per hour.

Mathematics

1 answer:

RUDIKE [14]3 years ago

5 0

What’s the question?

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1 - 5/6 < 3x + 5/6 -2x

Romashka-Z-Leto [24]

Answer:

−2

Step-by-step explanation:

6 0

4 years ago

2. How much water could my well hold if the depth of the well is 30ft and the diameter of the well is 24ft?

Ann [662]

Answer:

$V=4,320\pi\ ft^{3}$ or $V=13,564.8\ ft^{3}$

Step-by-step explanation:

we know that

The volume of the cylinder (the well) is equal to

$V=\pi r^{2} h$

where

$r=24/2=12\ ft$ ----> the radius is half the diameter

$h=30\ ft$

substitute

$V=\pi (12)^{2}(30)$

$V=4,320\pi\ ft^{3}$

assume

$\pi =3.14$

$V=4,320(3.14)=13,564.8\ ft^{3}$

5 0

3 years ago

Read 2 more answers

A rectangle with the length of 1/5 yard and the width of 2/3 yards

suter [353]

Answer:

Yeah she is right but its kinda hard to know wahat u want

Step-by-step explanation:

4 0

3 years ago

A line passes through (2,4) and (-2,2). find the value of y if (6,y) lies on the same line

katrin2010 [14]

Answer:

y = 6, rendering the coordinate pair: (6,6)

Step-by-step explanation:

We start by writing the equation of the line that passes through two given points on the plane: $(x_1,y_1)$ and $(x_2,y_2)$ beginning with finding the slope of the segment that joints the points using the slope formula: $slope=\frac{y_2-y_1}{x_2-x_1}$

Let's call $(x_1,y_1)$ = (2,4), and $(x_2,y_2)$ = (-2,2). Then we have the formula for the slope:

$slope=\frac{y_2-y_1}{x_2-x_1}=\frac{2-4}{-2-2} =\frac{-2}{-4} =\frac{1}{2}$

Now that we have the slope of the line, we can find the actual equation of the line by using one of the given points, and the "point-slope" form of a line with slope "m" and going through a point $(x_0,y_0)$ - which in our case we defie as one of our given points, let's say (2, 4):

$y-y_0=m\,(x-x_0)\\y-4=\frac{1}{2} (x-2)\\y-4=\frac{1}{2} x-1\\y=\frac{1}{2} x-1+4\\y=\frac{1}{2} x+3$

now we find what is the "y" value in such line that corresponds to an x-value of "6" to complete the coordinate pair (6, ?). For such we simply evaluate the equation above at x = 6:

$y=\frac{1}{2} x+3\\y=\frac{1}{2} (6)+3\\y=3+3\\y=6$

Therefore, y must be "6".

7 0

3 years ago

Brandon is shopping at Old Navy during a sale. All shorts are $16 each and all T-shirts are $10 each. He has $100 to spend and w

Tatiana [17]

Answer:32

Step-by-step explanation:

8 0

3 years ago