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jok3333 [9.3K]
3 years ago
15

How do I solve this

Mathematics
2 answers:
S_A_V [24]3 years ago
5 0

Answer:

30 hours

Step-by-step explanation:

h- hours worked      t-total amount you get

your equation: 5h+130=t

your friend's: 6h+100=t

you worked the same number of hours, so

5h+130=6h+100

-h=-30

h=30

bagirrra123 [75]3 years ago
4 0

Answer:30

5x+130=6x+100

Step-by-step explanation:

Let's solve your equation step-by-step.

5x+130=6x+100

Step 1: Subtract 6x from both sides.

5x+130−6x=6x+100−6x

−x+130=100

Step 2: Subtract 130 from both sides.

−x+130−130=100−130

−x=−30

Step 3: Divide both sides by -1.

−x

−1

=

−30

−1

x=30

Answer:

x=30

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sergejj [24]

Answer:

29

Step-by-step explanation:

conjugate of a+ib=a-ib

conjugate of 2-5i=2+5i

(2+5i)(2-5i)=2²-(5i)²=4-25i²=4-25(-1)=4+25=29

7 0
3 years ago
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zaharov [31]

Answer:

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Step-by-step explanation:

The general term of an arithmetic sequence is given by ...

  an = a1 +d(n -1)

where a1 is the first term (-26), and d is the common difference (7).

The 70th term of your sequence can be found by putting the numbers into this formula:

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The 70th term of the sequence is 457.

6 0
3 years ago
TIME REMAINING
mihalych1998 [28]

Answer:

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4 0
3 years ago
Simplify the expression<br> 7y − (6)2y − 12
irina [24]

Answer:

-5y-12

Step-by-step explanation:

Multiply 6 into 2y

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6 0
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olganol [36]
Y= a(x-3)^2+6
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2=a(9)+6
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-4=9a
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Therefore the equation in vertex form is
y = -4/9 (x-3)^2+6
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