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astra-53 [7]
3 years ago
6

Can you please help me with this.. you only have to do the first one (a)

Mathematics
2 answers:
JulsSmile [24]3 years ago
8 0

Answer:

-18

Step-by-step explanation:

9/4 x -8/1

-72/4

-18

Studentka2010 [4]3 years ago
6 0
-18 because 2 1/4 as an improper fraction is 9/4 then it -8/1 then multiply which is -72/4 and simplified is -18.
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Which pair of slopes could represent perpendicular lines?
Dmitry_Shevchenko [17]

Answer:

1/2, 2/4

Step-by-step explanation:

5 0
3 years ago
Find the perimeter of the figure​
irinina [24]

Answer:

114 ft

Step-by-step explanation:

We split the figure into two rectangles. The long triangles perimeter is equal to 30 + 30 + 9 + 9 = 78. Then, the top triangle is equal to 9 + 9 + 9 + 9, which is equal to 36. Then to find the perimeter of the entire figure, we add these two shapes together, 78 + 36, which gets us to our final answer, 114 ft.

3 0
3 years ago
Street B has a slope of 1/4 and passes through (4, 6).
Eduardwww [97]

Answer:

4y - x = 20

Step-by-step explanation:

y-y1 = m (x-x1)

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7 0
2 years ago
Read 2 more answers
Y intercept <br> x intercept<br> and the slope
masha68 [24]

Answer:

y-intercept = (0, - 3)

x-intercept = (-6, 0)

slope = - 1/2

Step-by-step explanation:

The y intercept is the value of y when the x = 0. By looking at the graph, we can tell that when x = 0, y = - 3. Likewise for the x-intercept.

We can use the slope formula to determine the slope.

m = y2 - y1/ x2 - x1

You can choose any 2 points on the line and substitute in the formula. I chose the y and x intercepts for easier calculations.

m = - 3 - 0/ 0 - (- 6)

m = - 3/ 6

m = - 1/2

6 0
3 years ago
Please answer this correctly
My name is Ann [436]

Answer:

2/3

Step-by-step explanation:

Total sides = 6

Number 5 and all even numbers = 1+3

=> 4

P(5 or even ) = 4/6

=> 2/3

6 0
2 years ago
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