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inysia [295]
3 years ago
11

Help me please !!!!!!!

Mathematics
1 answer:
AfilCa [17]3 years ago
6 0

Use the given times and velocities to make two points:  (1,4) and (2,2)   

Part A: 

Slope is the change in Y over the change in X from the two pints you made:

 Slope =  (2-4) / (2-1 )= -2

Now you have the slope, calculate the Y-intercept

y = -2x + b

Using (1,4)

4 = -2(1) + b = 4 =-2 +b. b = 6

 Equation is: y = -2x+6

Part B:

using the above equation replace x with 1, 2, 3, and 4 and solve for the Y

 then plot those onto a graph

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The O'Brien's are building a rectangular deck around the outside of their circular pool.
Lera25 [3.4K]

A:

Width of the deck = 2x+3 units

Length of the deck = 5x+6 units

So area of rectangular deck = Length * width

= (5x+6)(2x+3)

Area = 10x^{2}+15x+12x+18

Area= 10x^{2}+27x+18 units square

As mentioned in part B, the area of the pool is 3x^{2}+7x+6 so the combined area of the deck and pool is

Area = area of rectangular deck + area of pool

= 13x^{2}+34x+24 unit square


B:

The area of only the deck is 10x^{2}+27x+18 unit square



5 0
3 years ago
AB is a diameter of circle C. What is the degree measure of x?
UNO [17]
It’s a right angle. it follows the circle theorem ‘the angle in a semi-circle is 90 degrees’
8 0
4 years ago
What is the equation of the parabola, in vertex form, with vertex at (-2,-4) and
Arlecino [84]

Answer:

Step-by-step explanation:

The distance between the vertex and the directrix is 4 units, that means that p = 4 in the equation

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(y+4)^2=4(4)(x+2) which simplifies to

(y+4)^2=16(x+2) choice C

8 0
3 years ago
Can someone solve this please 5(5t + 1) = 25t – 7
AnnZ [28]
It’s either no solution or just false depending on the answer choices you have

solving steps:
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The answer i got was y= -x+5
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