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Mariana [72]
3 years ago
14

Find the common difference of the arithmetic sequence -19, -16, -13, ...

Mathematics
1 answer:
Yuliya22 [10]3 years ago
4 0

Answer:

d= +3

Step-by-step explanation:

1st term = -19

2nd term = -16

d = 2nd - 1st

d= -16-(-19)

d = +3

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(−6,−5)left parenthesis, minus, 6, comma, minus, 5, right parenthesis and (-4,-4)(−4,−4)
padilas [110]

Answer:y = -4.5x - 22

Step-by-step explanation:

The standard form of finding the equation of a line is expressed as y = mx+c

m is the slope

c is the y intercept

Get the slope:

m = y2-y1/x2-x1

Given the coordinates (-6,5) and (-4,-4)

m = -4-5/-4+6

m = -9/2

m = -4.5

Get the y-intercept

Substitute (-4,-4) and m = -4.5 into y = mx+c

-4 = -4.5(-4) + c

-4 = 18 + c

c = -4-18

c = -22

Get the required equation:

Recall that: y = mx+c

y = -4.5x - 22

Hence the required equation is y = -4.5x - 22

Step-by-step explanation:

8 0
3 years ago
What’s the easiest way to do multiplication
Firdavs [7]

Answer:

calculator.

Step-by-step explanation:

type in the number, the multiplication sign, and other number, and plus =.

4 0
3 years ago
NEED TO BE DONE ASAP!! ✅
poizon [28]

Answer: 80 men

Step-by-step explanation:

Let m represent the number of men , w , the number of women and c the number of children , then we have:

m : w = 4 : 5 ............... equation 1

w : c = 10 : 9 ............ equation 2

Multiply equation 1 by 2 so as to get the ratio m:w:c , that is

equation 1 becomes : m: w = 8 : 10

so the combine ration m : w : c is 8 : 10 : 9

The total ratio is therefore 8 + 10 + 9 = 27

number of men = ratio of men/ total ratio X 270

number of men = 8/27 X 270

number of men = 8 X 10

number of men = 80

5 0
3 years ago
5 less than twice x what expression is it?
aleksandr82 [10.1K]
The expression of that statement will be
2x - 5
5 0
3 years ago
Estimate the difference to the nearest hundredth: 8.394-2.199
Shtirlitz [24]
8.394-2.199= 6.195 but rounded to the nearest hundred is 6.2
6 0
3 years ago
Read 2 more answers
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