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3 years ago

6

Is n=3 a solution?-21 =

}{n}" alt="\frac{-63}{n}" align="absmiddle" class="latex-formula">

2 answers:

nadezda [96]3 years ago

7 0

Yes. -63 / 3 = -21.

Please consider branliest! ^_^

Orlov [11]3 years ago

5 0

Answer:

Yes it is, -63 / 3 = <u><em>-21</em></u>.

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The sophomore class sold a total of 700 adult and student tickets to the school play. Adult tickets sold for $4.50 each and stud

sergiy2304 [10]

The answer is <span>
B: x+y=700
2x+4.5y=1200
</span>

<span>x - the number of student tickets sold,
y - the number of adult tickets sold

The total number of sold tickets is 700:
x + y = 700

</span><span>Adult tickets sold for $4.50 each and student tickets cost $2.oo each. If they took in a total of $1,200:
2x + 4.50y = 1200

The system of equations is:
</span>x + y = 700
2x + 4.50y = 1200

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3 years ago

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What is the circumference of a circle with a radius of 2.5 m?

mixer [17]

The circumference of a circle is always calculated by 2 $\pi$ R
So if R=2.5 m this circumference is 2* $\pi$ *2.5 m
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Hope this helped!

4 0

3 years ago

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I’ll give you Brainliest

RSB [31]

Answer:

Step-by-step explanation: the first is m the second one is 15x+5

8 0

3 years ago

If the mean of 5 positive integers is 15, what is the maximum possible difference between the largest and the smallest of these

Vikki [24]

Answer:

if the 5 numbers are different, the maximum difference is 64

Step-by-step explanation:

We have 5 positive (different) integers, a, b, c, d and e (suppose that are ordered from least to largest, so a is the smallest and b is the largest.

The mean will be:

M = (a + b + c + d + e)/5 = 15.

Now, if we want to find the largest difference between a and e, then we must first select the first 4 numbers as the smallest numbers possible, this is:

a = 1, b = 2, c = 3 and d = 4

M = (1 + 2 + 3 + 4 + d)/5 = 15

M = (10 + d)/5 = 15

10 + d = 15*5 = 75

d = 75 - 10 = 65

then the difference between a and d is = 65 - 1 = 64.

Now, if we take any of the first 4 numbers a little bit bigger, then we will see that the value of d must be smaller, and the difference between d and a will be smaller.

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3 years ago

I need help with this

4vir4ik [10]

Answer:

-3x+2y greater than or equal to 7

Step-by-step explanation:

we can take away the first and second cause the line is full and not dotted. with desmos, i plugged the equation in and found that the third equation matches the picture

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3 years ago