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fomenos
2 years ago
12

I need help!! thnaks

Mathematics
1 answer:
liraira [26]2 years ago
3 0

Answer:

7a + 2b

Step-by-step explanation:

Given

4a + 3b + 3a - b ← collect like terms

4a + 3a + 3b - b

= 7a + 2b

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What is -6n+5=1? Thanks!
ivann1987 [24]
You subtract 5 to the other side so it'll read -6n=-4 then divide -6 to the other side and it'll be 2/3
6 0
3 years ago
Read 2 more answers
The point P=\left(-\frac{\sqrt{33}}{7},\,\, y\right)P=(− 7 33 ​ ​ ,y) lies on the unit circle shown below. What is the value of
kifflom [539]

Answer:

y = √-1040/7

Step-by-step explanation:

The equation of a unit circle is expressed as;

x²+y² = 1

Given the coordinate of P = (-33/7, y)

Substitute the coordinate into the give expression and find y;

(-33/7)²+y² = 1

Expand

y² = 1-(-33/7)²

According to difference of two square

y² = (1+(-33/7))1-(-33/7))

y² = (1-33/7)(1+33/7)

y² = -26/7(40/7)

y² = -1040/49

y= √-1040/49

y = √-1040/√49

y = √-1040/7

Hence the value of y is y = √-1040/7

4 0
3 years ago
Erine wrote 5 checks for $35 each. what was the change in her checking account balance after writing these checks?
Anni [7]
She had lost $175 from her bank account
3 0
3 years ago
Read 2 more answers
8+4k for k=3.5 please help me i'm stuck
Pavlova-9 [17]

Answer:

21.5

Step-by-step explanation:

8+4k

Let k = 3.5

8+4(3.5)

Multiply

8+13.5

Add

21.5

4 0
2 years ago
Please help I need to finish this by tomorrow and it is 11:09 pm
lbvjy [14]

Answer:

$22

Step-by-step explanation:

7 0
2 years ago
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