2 years ago

I NEED HELP ASAP 20 POINTS

Mathematics

2 answers:

vekshin12 years ago

8 0

I am too lazy to do question 6 if u want the answer tell me

Dimas [21]2 years ago

6 0

Step-by-step explanation:

Area of 5 = {(4x+3)×(2x+3-x-2)}+{(x+2)×(x+1)}

={(4x+3)×(x+1)}+{(x+2)×(x+1)}

Area of 6 = {(3x+8)×(3x+5-x-3)}+{(x+3)×(x+3)}

= {(3x+8)×(2x+2)}+{(x+3)×(x+3)

Hope u got it

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Giselle works as a carpenter and as a blacksmith. She earns $20\$20 $20 dollar sign, 20 per hour as a carpenter and $25\$25 $25

malfutka [58]

C = # of carpenter hrs , b = # of blacksmith hrs

c + b = 30...c = 30 - b
20c + 25b = 690

20(30 - b) + 25b = 690
600 - 20b + 25b = 690
-20b + 25b = 690 - 600
5b = 90
b = 90/5
b = 18 <== hrs worked as blacksmith

c + b = 30
c + 18 = 30
c = 30 - 18
c = 12 <== hrs worked as carpenter

7 0

3 years ago

Write down in terms of n, an expression for the nth term of the following sequences: 1,8,15,22,29

Crank

Step-by-step explanation:

t1 = 1 = 7*1 - 6

t2 = 8 = 7* 2 - 6

t3 = 15 = 7 * 3 - 6

t4 = 22 = 7 *4 - 6

t5 = 29 = 7 * 5 - 6

-------------------------

Tn = 7n - 6