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tresset_1 [31]
3 years ago
14

1

Mathematics
1 answer:
Sindrei [870]3 years ago
3 0
Her carrots cost (1-.35) (7.40) = $ 4.81. The cabbage cost her (.77) (4.81) = $ 3.70. Total it all cost her 4.81 + 3.70 = $ 8.51
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When the positive integer n is divided by 7, the remainder is 2. What is the remainder when 5n is divided by 7?
ser-zykov [4K]

Therefore the reminder is 3 when 5n is divided by 7.

Step-by-step explanation:

we know that

Dividend = quotient × Divisor +Reminder

⇔ n = Q(n) × 7 + 2          [ let Q(n)  is quotient]

multiplying by 5 both sides

5n = 5 Q(n) ×7 + 2×5

⇔5n = 5 Q(n) ×7 +10

⇔5n=  5 Q(n) ×7 +7 +3

⇔ 5n = (5Q(n) +1) × 7 +3

Therefore the reminder is 3 when 5n is divided by 7.

6 0
3 years ago
Hey!! mind helping me out real quick?
joja [24]
You have to turn angle abe to the right twice in order for it to be symmetrical to angle gfe .
3 0
2 years ago
Write each number in scientific notation.<br> 1. 160,000,000 <br> 2. 29,830<br> 3. 0.000350
Vlad1618 [11]

Answer:

1. 1.6x10 08

2. 2.983x10 04

3.  3.5x10 -04

Step-by-step explanation:

the ones with the space goes on the Top and i did it in the calculator have a nice day y'all and stay safe :)

7 0
3 years ago
2/3x - 2 = 7 solve the equation
Kobotan [32]
Isolate the x.

Do the opposite of PEMDAS. Note the equal sign. What you do to one side, you do to the other.

2/3x - 2 = 7

Add 2 to both sides

2/3x - 2 (+2) = 7 (+2)

2/3x = 9

Multiply 3/2 to both sides to isolate the x

2/3x(3/2) = 9(3/2)

x = 9(3/2)

Multiply 9 with 3, and divide by 2

9 x 3 = 27
27/2 = 13.5

x = 13.5 is your answer

hope this helps
3 0
3 years ago
suppose that A and B are 3x3 matrices I is tje Identity matrix of order 3 such that AB=2l. lf det |B|=6 . what is the det(A^t)?​
ira [324]
the answer haha wjjeenemenw ekelemdmsne woekememe weeee woooo its A and B 33
3 0
3 years ago
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