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3 years ago

Is negative nine plus n equals n minus one identity or no solution

Mathematics

1 answer:

Leno4ka [110]3 years ago

4 0

Answer:

No solution

Step-by-step explanation:

-9 + n = n - 1

-9 +1 = n -n

-8 = 0

No solution here if the proper rules of equation are correctly applied

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vitfil [10]

Step-by-step explanation:

Let's use the number Zero as a placeholder.

7 in the hundredths place,

0.07

5 in the thousands place,

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4 in the hundreds place,

5400.07

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5400.07

7b. Write in word form.

Five thousand four hundred and seven hundredth

7c. Write in expanded form.

5000 + 400 + 0.07

7d. Write as a fraction.

540007 / 100

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3 years ago

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3 years ago

Every hour, a machine makes the same number of tennis racquets. If on the 3rd hour of running, the machine has made 240 racquets

Vika [28.1K]

Answer:

80 racquets per hour.

Step-by-step explanation:

Divide 240 by 3, and you'll get 80. To double check, divide 400 by 5 and you'll still get 80. Hope that helps.

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3 years ago

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Suppose that there are 25 students in a class, each either a freshman, a sophomore, or a junior. How many students must be in th

Yakvenalex [24]

Answer:

at least 9 students in each cohort.

Step-by-step explanation:

Given that :

In a class, there are 25 students and each of them is either a sophomore, a freshman or a junior. We have to determine the number students in the same cohort.

Let us suppose there are equal number of students in each of the cohort.

Now let us assume that the number of the students in each cohort be 8, i.e. each as a freshman, a junior or a sophomore. Therefore, the total number in the all the cohorts will be 24 students only.

Thus, we can say that there are at least $9$ freshman, at least $9$ sophomore or at least $9$ junior in each of the cohort.

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