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Vladimir [108]
3 years ago
14

Chad will drive 672 more miles . He continues to drives at the same rate . How many hours will it take Chad to drive the 672 mil

es?
Mathematics
1 answer:
tekilochka [14]3 years ago
8 0
12 hours, you can use proportions, miles/hours. 56/1=672/x. x=12.
You might be interested in
Can someone help me with this Geometry problem, please?
Doss [256]

Hello from MrBillDoesMath!

Answer:

72


Discussion:

Total Surface area = area of pyramid base + 4 ( area of triangular face)

In our case this becomes

                                 4*4                               + 4(  (1/2) (4)(7) )  =

                                 = 16 + (2)(4)(7)

                                 = 16 + 56        

                                 = 72

which is the first choice.  

Note: the area of a triangular face was computed using (1/2) b h, which in our case is

(1/2) (4) (7)


Thank you,

MrB

3 0
3 years ago
A triangle in Quadrant I is reflected over the y-axis, then over the x-axis, and then over the y-axis again. The new triangle, i
Xelga [282]

Answer:

single reflect over the x axis

Step-by-step explanation:

5 0
3 years ago
Explain how to find the coordinates of the focus of a parabola with vertex (0,0) and the directrix y=5
Ghella [55]
Keep in mind that, the directrix is "p" distance units away from the vertex, and the focus point is also "p" distance  units from the vertex but in the opposite direction, so in short the vertex is half-way between both of them.

in this case the vertex is at the origin, and the directrix 5 units above it, so that means the parabola is vertical and opening downwards, like the one in the picture below, and the focus point is 5 units the other way.

7 0
3 years ago
Use the calculator to graph the function y = 2x2 25x + 3. What are the coordinates of the turning point of the graph to the near
professor190 [17]

The coordinates of the turning point of the graph of the quadratic equation is given by: (-6.25, -75.13).

<h3>What is the vertex of a quadratic equation?</h3>

A quadratic equation is modeled by:

y = ax^2 + bx + c

The vertex is given by:

(x_v, y_v)

In which:

  • x_v = -\frac{b}{2a}
  • y_v = -\frac{b^2 - 4ac}{4a}

In this problem, the function is given by:

y = 2x² + 25x + 3.

Hence the coefficients are a = 2, b = 25, c = 3, then the coordinates of the vertex are given as follows:

  • x_v = -\frac{25}{2(2)} = -6.25
  • y_v = -\frac{25^2 - 4(2)(3)}{4(2)} = -75.13

The coordinates of the turning point of the graph of the quadratic equation is given by: (-6.25, -75.13).

More can be learned about the quadratic functions at brainly.com/question/24737967

#SPJ1

5 0
2 years ago
I need help.............
Grace [21]

c= b - bx \\bx = b-c\\x= \frac{b-c}{b}

7 0
3 years ago
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