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Klio2033 [76]
3 years ago
15

-8(2x+4)+8(4+7x)=8x+3x​

Mathematics
1 answer:
prisoha [69]3 years ago
3 0

Answer:

x=0

Step-by-step explanation:

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Jamie puts $500 into a savings account that has an interest rate of 1% how much will be in her account after 6 years?
IgorLugansk [536]

Step-by-step explanation:

interest:

500 \times \frac{1}{100}  \times 6 = 30

Total=500+30=530

4 0
3 years ago
A lake has a large population of fish. On average, there are 2,400 fish in the lake, but this number can vary by as much as 155.
AleksAgata [21]

Answer:

Minimum population of fish in lake = 2400 - 155 = 2245

Maximum population of fish in lake = 2400 + 155 = 2555

Step-by-step explanation:

population of fish in lake = 2400

Variation of fish = 155

it means that while current population of fish is 2400, the number can increase or decrease by maximum upto 155.

For example

for increase

population of fish can 2400 + 2, 2400 + 70, 2400 + 130 etc

but it cannot be beyond 2400 + 155.

It cannot be 2400 + 156

similarly for decrease

population of fish can 2400 - 3, 2400 - 95, 2400 - 144 etc

but it cannot be less that 2400 - 155.

It cannot be 2400 - 156

Hence population can fish in lake can be between 2400 - 155 and 2400 + 155

minimum population of fish in lake = 2400 - 155 = 2245

maximum population of fish in lake = 2400 + 155 = 2555

4 0
3 years ago
Which of the following correctly uses absolute value to show the distance between −50 and 12?
Softa [21]

Answer:

 62 units

Step-by-step explanation:

The absolute value of a number A is the positive distance between 0 and the number A (you can think this distance as the distance measured with a ruler from 0 to the number). For example:

|-2|=2 ,  |25|=25,  |-3|=3, |-25.3|=25.3

Note that the absolte value is always positive.

The distance between two numbers P,Q in the real line is the absolute value of the difference between the two points:

Hence, the distnce between P=-50 and Q=12 is equal to

7 0
3 years ago
Which of the following is not a measure of central tendency?
Effectus [21]

Answer:d). standard deviation

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Kathy bought 5 pencils for the price of $6.30. Which equation represents r, the cost, in dollars, of each pencil?
DIA [1.3K]

9514 1404 393

Answer:

  B.  r = 6.30÷5

Step-by-step explanation:

The cost per pencil is found by dividing the cost by the number of pencils.

Here, the cost is $6.30 and the number of pencils is 5. Then the cost per pencil (r) is ...

  r = 6.30 ÷ 5

7 0
2 years ago
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