2 years ago

Which expressions are equivalent to - 62+(-5.5) + 1.5z + 7y-3.5?

1 answer:

8 0

I believe that the correct answer is C

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Fynjy0 [20]

4 x 2.95 = 11.80$
4 x 1.59 = 6.36$
11.80 + 6.36 = 18.16 $
20 - 18.16 = 1.84

Mr. Robinson will get $1.84 in change

5 0

2 years ago

notsponge [240]

You have:

$a_1=3.5,\\ \\a_2=13,\\ \\a_3=41.5,\\ \\a_4=127.$

Find

$a_2-a_1=13-3.5=9.5,\\ \\a_3-a_2=127-41.5=28.5=9.5\cdot 3,\\ \\a_4-a_3=127-41.5=85.5=28.5\cdot 3=9.5\cdot 3^2.$

This gives you the rule how to find next terms:

$a_5-a_4=9.5\cdot 3^3,\\ \\a_5-127=256.5,\\ \\a_5=127+256.5=383.5.$

$a_6-a_5=9.5\cdot 3^4,\\ \\a_6-383.5=769.5,\\ \\a_6=383.5+769.5= 1153.$

$a_7-a_6=9.5\cdot 3^5,\\ \\a_7-1153=2308.5,\\ \\a_7=1153+2308.5=3461.5.$

Answer: next 3 terms are 383.5, 1153 and 3461.5.

6 0

2 years ago

AlekseyPX

7/2+3/9=
(7+3)+(0.2+0.9)=
10+1.1=11.1

5 0

3 years ago

disa [49]

There would be 75 cookies.

8 0

2 years ago

nadezda [96]

Answer:

The length of the parking lot should be increased by 20 feet.

Step-by-step explanation:

First, you find the product of 120 and 80, you get 9600.

Next, add 4400 to it. You get 1400

Finally what would you add to both 120 and 80 to get 14000? 20 to get 140*100.

3 0

3 years ago