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cestrela7 [59]
3 years ago
15

*simplify 5|-3+(-7)|=

Mathematics
1 answer:
Lena [83]3 years ago
6 0

Answer:

-2l -3

Step-by-step explanation:

5l -3+ (-7)l

5l -3 -7l

5l -7l -3

-2l -3

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The sum of a number in 6 ?? algebraic expression
Leokris [45]
I'm guessing you meant the sum of a number AND 6? If so:
x+6=y or just x+6

x is a variable for "a number" and you add 6 to it. The y on the other side of the equals sign is because the sum (number you get when adding) is unknown due to the value of the x variable being unknown.
4 0
3 years ago
To buy a car, Danny borrowed $16000 for 3 years at an annual simple interest rate of 9%. if it takes him 3 full years to pay off
Marat540 [252]

Answer:

$4,320

Step-by-step explanation:

I equals PRT. I is the interest. P is the principal, amount borrowed. R is the rate, percent. T is the amount of time in years. Principal in this is 16,000. Rate is 9%, or 0.09. Time is 3 years. So 16,000 times 0.09 times 3 equals 4,320. That is the interest.

4 0
3 years ago
Read 2 more answers
|2-x|&gt;|2x-1|<br><br><br>tolong sertakan cara pertidaksamaan nilai mutlak kak​
goblinko [34]

Answer:

a

Step-by-step explanation:

6 0
3 years ago
To hire a bicycle it costs $6 for each day plus a fixed charge of $15
shusha [124]

Answer:

4 days

Step-by-step explanation:

1) Derive a formula.

Let b = bicycle

Let x = the number of days

A set up equation: b = 6x + 15

2) If she pays 39 to hire a bicycle, substitute 39 into b, then solve for x.

39 = 6x + 15

39 - 15 = 6x

24 = 6x

24/6 = x

4 = x

x = 4

Since x is the number of days, she hired the bicycle for 4 days.

4 0
2 years ago
Sam took a total of 12 tests over the course of 6 weeeks if the continued to take tests at the same rate how many tests will Sam
avanturin [10]

Answer:

56 tests

Step-by-step explanation:

first find the amount of test he took each week. if we divide 12 by 6 (12 ÷ 6 = 2) we find out that he took 2 tests per week.

So if he continues with the same rate for the next 28 weeks of school, in order to find out how many tests he would have taken, we just need to  multiply 28 by 2 (28 × 2 = 56), which will be equal to 56

hope this helps! if you have any questions, let me know!

7 0
3 years ago
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