Need help with 6,7,8

Mathematics

1 answer:

Burka [1]3 years ago

7 0

Answer:

Step-by-step explanation:well I can't really understand the question but 6,7,8 are number rigt next to each others are intergers

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A hot air balloon descends at a rate of 320 feet per minute for 3 minutes. Use intergers to calculate and represent the balloons

AlladinOne [14]

Descending means that the hot air balloon's height is changing at a negative rate. Multiply the rate of change per minute by the total amount of minutes.

$-320 * 3 = -960$

The total change in altitude is -960 feet.

4 0

3 years ago

The teacher does not have to spend all $36. Write an inequality relating 36 and 9 (7 - x) representing this situation. (Copy/pas

kotykmax [81]

Answer:

Step-by-step explanation:

From the question, we are to relate the amount the teacher spent to the expression 9(7-x).

Since the teacher does not have to spend all the $36, this means that he spent amount less than $36 but not equal to $36. Hence the best inequality sign that relates both expression is a less than sign (<) as shown;

9(7-x) < 36

hence the required inequality is 9(7-x) < 36

4 0

3 years ago

Simplify your answer as much as possible

loris [4]

9514 1404 393

Answer:

-4u^2/y+(5/2)y^3u^2

Step-by-step explanation:

The applicable rules of exponents are ...

(a^b)(a^c) = a^(b+c)

(a^b)/(a^c) = a^(b-c)

$(8y^2u^7-5y^6u^7)\div(-2y^3u^5)=\dfrac{8y^2u^7-5y^6u^7}{-2y^3u^5}\\\\=-4y^{2-3}u^{7-5}+\dfrac{5}{2}y^{6-3}u^{7-5}=\boxed{\dfrac{-4u^2}{y}+\dfrac{5}{2}y^3u^2}$