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Kaylis [27]
3 years ago
6

What is the slope of the line

Mathematics
1 answer:
tatiyna3 years ago
8 0

Answer:

slope = 1

Step-by-step explanation:

(0 , 1)  ; (-1 , 0)

Slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}

         =\frac{0-1}{-1-0}\\\\=\frac{-1}{-1}\\\\=1

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Out of a total of 500 flowers,65 are roses. what percent of the flowers are roses
FinnZ [79.3K]
65/500 = 13/100 = 13% of the flowers are roses.
6 0
3 years ago
PLEASE HELPPPPPP
N76 [4]

Answer:

D

Step-by-step explanation:

in the question the scale factor is 4 so that means it is a dilation (getting larger) because the scale factor is >1

7 0
2 years ago
Read 2 more answers
-4x-15y=-17<br>-x+5y=-13<br><img src="https://tex.z-dn.net/?f=%20-%204x%20-%2015y%20%3D%20%20-%2017%20%20%5C%5C%20%20-%20x%20%2B
salantis [7]
To solve this system of linear equations we need a little trick called elimination steps are below

we are given the following system of equations
- 4x - 15y = - 17
- x + 5y = - 13
if you look at the x variables in both equations you can see that we can easily eliminate them by multiplying the bottom equation by -4 as so
- 4x - 15y = - 17
- 4( - x + 5y = - 13)
simplify and we get
- 4x - 15y = - 17
4x - 20y = 52
now we can combine like terms on each side with the x's cancelling and get

- 35y = 35
now divide off -35
y = - 1
great now we can go back to our original system and pick a equation and substitute y back in to find x lets use

- x + 5y = 13
so now we substitute y and get
- x + 5( - 1) = 13
- x - 5 = 13
- x = 17
x = - 17

now we put x and y into one coordinate (x,y)
so now our FINAL ANSWER IS
(-17,-1)
6 0
3 years ago
Jim has gotten scores of 100 and 63 on his first two tests. What score must he get on his third test to keep an average of 85 or
Greeley [361]

Answer:

92

Step-by-step explanation:

x= the ideal mark for his third test

100 + 63 + x/3 = 85

163+x=85x3

163 + x = 255

x=92

He would need to get at least a 92 to have the 85 average.

3 0
3 years ago
Calculate the length of the circumference of a circle with diameter of 9cm
tresset_1 [31]
Hello!

We must use a certain formula to find the circumference of a circle. The formula is:

C = 2 × pi × r

We have the diameter of the circle, so we'll be able to find its radius, since radius is always half the diameter.

r = d ÷ 2

r = 9 ÷ 2

r = 4.5

So, the radius of the circle is 4.5 centimetres. Pi equals approximately 3.14. Substitute:

C = 2 × 3.14 × 4.5

C = 6.28 × 4.5

C = 28.26

ANSWER:

The circumference of the circle is 28.26 centimetres long.


8 0
3 years ago
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