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galina1969 [7]
3 years ago
12

Hey Please help me with these two questions! TYSM!

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

Answer:

1. 5.28

2. 4.3

Step-

by-step explanation:

harkovskaia [24]3 years ago
5 0

Answer:

9). 5          10) . -6

Step-by-step explanation:

i did this already lol :))

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Simplify and then evaluate the equation<br> when x= 3.<br> -5(x – 5) + 2x = [?]
nadya68 [22]

Answer:

-3x+25

16

Step-by-step explanation:

3 0
3 years ago
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Please help me with this question
Lorico [155]
This is what I got I hope it helps

8 0
3 years ago
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I need help please............
Anettt [7]
A) x=4
B) x= -3
C) x= -1/6
D) x=24
5 0
3 years ago
Consider the graph of the line y = .5x- 4 and the point
Katena32 [7]

Answer:

slope of parallel line and perpendicular line are 5 and -1/5 espectively

equation of parallel and perpendicular line are y = 5x + 22 y= \frac{-1}{5} x+\frac{6}{5} respectively

Step-by-step explanation:

y = 5x - 4 is in the form

y = mx + c

where m is the slope of the line and c is the y intercept of thr line

therefore slope of the line = 5 and y intercept = -4

when an another line is parallel to the given line then the slope of both the lines are equal

therefore the slope the parallel line = 5

equation of a line passing through a given point (x_{1} ,y_{1}) with slope m is given by y-y_{1} = m(x-x_{1} )

given (x_{1} ,y_{1})= (-4,2)

therefore equation of line y-2 = 5(x+4)

therefore y = 2+ 5x+20

y = 5x + 22is the eqaution of required line.

when two lines are perpendiculer then

m_{1} m_{2}=-1

where m_{1} and m_{2} are slope of the lines therefore

m×5=-1

therefore m= \frac{-1}{5}

therefore eqaution of line passing through (-4,2) and with slope m= \frac{-1}{5} is given by y - 2= \frac{-1}{5} (x+4)

y= \frac{-1}{5} x+\frac{6}{5}

3 0
3 years ago
Which expression helps you find the length x of a side of a rectangle that has a diagonal of 15 units and a width of 9 units?
aliina [53]
15²-9²= x² use Pythagoras' theorum and square the two smaller sides to get the square of the hypotenuse (the diagonal) then rearrange this to get the above calculation
6 0
3 years ago
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