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lianna [129]
3 years ago
7

7d-12+2d+3=18 solve variable. include steps, also check your answer!

Mathematics
1 answer:
Zinaida [17]3 years ago
8 0

this is the answer

i have checked this answer thrice

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The greater of two consecutive integers is 15 more than twice the smaller. Find the integers.
Vlad [161]

Well, we know that the two consecutive numbers have to be negative, because if it was positive, the smaller number multiplied by two would be much greater. (unless 1 and 2). So, by guessing and checking, we will get -13 and -14 :)

3 0
3 years ago
In 1980, the average monthly rate for basic able TV in the United States was
poizon [28]

The average rate of change in the monthly rate per year is -$0.056 i.e decreases by 0.056 every consecutive year.

Step-by-step explanation:

Step 1; The initial value is $7.69 in 1980 and the final value is $6.13 in 2008.

Difference in values = Final value - initial value = $6.13- $7.69 = -$1.56 (the negative symbol indicates that the cost has gone down with time)

Period between the values =Final year - initial year = 2008 - 1980 = 28 years.

Step 2; To find the rate of change per year, we divide the difference in values in that given period of time by the number of years in that period.

Rate of change per year = Difference in values in that period/ no of years.

                                          = -$1.56 / 28 = -$0.056 (the negative symbol indicates that the cost has gone down with time)

So for every year between 1980 and 2008, the price of the monthly rate for basic able TV reduced by $0.056.

6 0
3 years ago
An arts academy requires there to be 3 teachers for every 75 students and 4 tutors for every 48 students. How many students does
bija089 [108]

Answer:

A. or B.

Step-by-step explanation:

I

6 0
3 years ago
Express -36/78 as a rational number with numerator 6:
Kruka [31]

Answer:

6/9

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How would you solve this question by substitution<br><br> 13x−6y=22<br> x=y+6<br> ​
mario62 [17]

Answer:  x=-2 y=-8    or    (-2,-8)

Step-by-step explanation:

4 0
3 years ago
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