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barxatty [35]
3 years ago
8

What is the slope of the line shown in the graph?

Mathematics
1 answer:
soldier1979 [14.2K]3 years ago
6 0
Slope= y2-y1/ x2-x1
= -1-2/-1+3
= -3/2 is the answer
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1
cricket20 [7]

Answer:

<em>5.33 secs</em>

Step-by-step explanation:

Given the equation of the height modeled by the equation/

h(t) = -3.2 + 12.5t + 24.8

The object strikes the ground when the height h(t) is zero

Substituting h(t) = 0 into the expression

h(t) = -3.2t² + 12.5t + 24.8

0 =  -3.2t² + 12.5t + 24.8

-3.2t² + 12.5t + 24.8 = 0

Multiply through by minus sign

3.2t² - 12.5t - 24.8 = 0

From the expression a = 3.2, b = -12.5 and c = -24.8

t = -(-12.5)±√(-12.5)²-4(3.2)(-24.8)/2(3.2)

t = 12.5±√156.25+317.44)/6.4

t = 12.5±√473.69/6.42

t = 12.5±21.76/6.42

t = 12.5+21.76/6.42

t = 34.26/6.42

t = 5.33secs

<em>Hence the object strike the ground after 5.33 secs</em>

3 0
2 years ago
Simplify the expression below:<br> 7 a2 + 10a - 3a – 2a2
Y_Kistochka [10]

Answer: ax(5a+7)

Step-by-step explanation:

I just know trust me

6 0
3 years ago
When you got your car fixed, the cost for parts was $75. The cost for labor was $45 per hour. If the total cost was $255 . Find
navik [9.2K]

Answer:

3.3

Step-by-step explanation:

Hour : H

subtract the 75 from both sidesso the variable would be on one side and the knowns would be on the other side

45H + 75 = 225

        -75      -75

Divide by 45 from both sides

45H = 150

÷45     ÷45

3.33

6 0
3 years ago
true or false the shortest distance from the center of the circumscribed circle to the sides of the inscribed triangle is the ci
lisov135 [29]
I think it is true but I am not 100% sure thought but good luck
6 0
3 years ago
Read 2 more answers
Please help me solve 8x+2y=32 and 10x-5y=-20
Tju [1.3M]

Answer:

(2,8)

x = 2

y = 8

Step-by-step explanation:

<u>The steps are shown in the picture</u>

7 0
3 years ago
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