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CaHeK987 [17]
3 years ago
15

Help I don’t know the answer

Mathematics
1 answer:
Pani-rosa [81]3 years ago
4 0

Answer:

dam thats hard

Step-by-step explanation:

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A faucet is used to add water to a large bottle that already contained some water. After it has been filling for 55 ​seconds, th
True [87]

Answer:

y=3x+4

Step-by-step explanation:

Let y be the amount of water in the bottle x seconds after the faucet was turned on.

We have been given that the gauge on the bottle indicates that it contains 19 ounces of water after it has been filling for 5 seconds. After it has been filling for 11 ​seconds, the gauge indicates the bottle contains 37 ounces of water.

We have two points on the line (5,19) and (11,37).

Let us find slope of the line passing through these points.

m=\frac{y_2-y_1}{x_2-x_1}

m=\frac{37-19}{11-5}

m=\frac{18}{6}

m=3

We will write our required equation in slope-intercept form y=mx+b, where, m represents slope and b represents the y-intercept.

Let us find y-intercept by substituting m=3 and coordinates of point (5,19) in slope intercept form.

19=3\cdot 5+b

19=15+b

19-15=15-15+b

4=b

Therefore, our required equation would be y=3x+4.

8 0
3 years ago
The area of a rectangle is (4x2 − 49y2) square units. Determine the dimensions of the rectangle by factoring the area expression
Pani-rosa [81]

Answer:

8x

Step-by-step explanation:

(4x^{2} - 49y^{2} ) = (2x+7y)(2x-7y)

4 0
3 years ago
Using the formula for volume of a cone, express r in terms of V, h and pi
DiKsa [7]

The volume of the cone is one-third of the volume of the cylinder which is equal to the product of area of the base and the height. The equation is,

<span>    V = (1/3)(pi)(r^2)h          </span>

Dividing both sides of the equation by (1/3)(pi)(h) will give us,

<span>  3V/(pi)(h) = r^2</span>

Taking the square-root of both sides,

<span>  r = sqrt(3V/(pi)(h))</span>

3 0
4 years ago
Read 2 more answers
Sue and Jim are driving on the highway. Sue takes 24 minutes to drive 40 km. If Jim drives at the same rate, how long will it ta
NemiM [27]
24/40=x/115

x=69 minutes
4 0
3 years ago
Is the function even,odd, or neither
alukav5142 [94]

Answer:

even I think

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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