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Whitepunk [10]
3 years ago
5

7. If a = 3 and b = -1, find the value of 2a - 2b.

Mathematics
1 answer:
Ber [7]3 years ago
5 0

Answer:

hola bolilla cómo andas e bueno ay te gachas

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Select all the values that are equivalent to the given expression. Express your answer in scientific notation.
Anna35 [415]

Answer:

the first and last ones

Step-by-step explanation:

5 0
3 years ago
Someone help plsss<br> bots will be reported
xxTIMURxx [149]

Answer:

B. 108

Step-by-step explanation:

a straight angle is 180 degrees.

180-72=108

3 0
3 years ago
Isaac recorded the number of minutes he practiced on duolingo each day last week.
sashaice [31]

Answer:

b

Step-by-step explanation:

20 + 30 + 25 + 15 + 25 = 115

115 / 5 = 23

20 - 23 = |-3|

30 - 23 = 7

25 - 23 = 2

15 - 23 = |-8|

25 - 23 = 2

3 + 7 + 2 + 8 + 2 = 22

22/5 = 4.4

3 0
3 years ago
2/3 is equivalent to?
Crank
4/6 6/9 40/60 the first one is mulitied by two third one is multiplied by three and the fourth one is multiplied by 20
6 0
3 years ago
In 1992​, there were 41 comma 984 shopping centers in a certain country. In 2002​, there were 48 comma 225. ​(a) Write an equati
Illusion [34]

Answer:

Step-by-step explanation:

The equation expressing the number y of shopping centers in terms of the number x of years after 1992 will be LINEAR in nature

The standard equation is expressed as;

y = mx+c

m is the slope

c is the intercept

If in 1992​, there were 41,984 shopping centers in a certain country and in 2002​, there were 48,225 we can express this as coordinate points

(0, 41984) and (10, 48,225)

Get the slope

m = 48,225-41,984/10-0

m = 6241/10

m = 624.1

Get the intercept, substitute m = 624.1 and the point (0,48225) into the formula y = mx+c

48225 = 624.1(0)+c

48225 = 0+c

c = 48225

Get the required equation

y = 624.1x+48225

5 0
3 years ago
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