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RSB [31]
2 years ago
10

Solve 15/4 -7 X=9 answer the question​

Mathematics
1 answer:
Svet_ta [14]2 years ago
8 0

\frac{15}{4}  - 7x = 9 \\  \\   \frac{15}{4}  - 9 = 7x \\  \\ 7x =  \frac{15 - 36}{4}  \\  \\ 7x =  \frac{ - 21}{4}  \\  \\ x =  \frac{ - 21}{4 \times 7}  \\  \\ x =  \frac{ - 3}{4} .

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The height of a right rectangular prism is 3 units greater than the length of the base. The edge length of the square base is x
jok3333 [9.3K]

Answer:

B. x^3 + 3x^2

Step-by-step explanation:

Volume of a rectangular prism=width * length * height

V=w*l*h

h=3 greater than the length of the base

h=x+3

Length of the base=x

Width=x

Substituting values into the formula

V=w*l*h

=(x)*(x)*(x+3)

Multiplying

=(x^2)(x+3)

=x^3 + 3x^2

Option B is the correct answer

5 0
3 years ago
Explain how to model the division of –24 by –4 on a number line.
Allushta [10]
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8 0
3 years ago
Alicia drives her car 287.5 miles in 5 hours. What is the constant of proportionality that relates the total number of miles, y,
Sphinxa [80]

Answer:

  57.5

Step-by-step explanation:

The constant of proportionality is "k" in the equation ...

  y = kx

It can be found from values of x and y using ...

  k = y/x

For the given values, it is ...

  k = (287.5 mi)/(5 h) = 57.5 mi/h

The constant of proportionality relating miles to hours is 57.5.

5 0
3 years ago
Need your help ASAP please help
eduard

His average is 86 so it is below 90.  to get his average i just added all of his grades up to get 517 and then I divided 517 by 6 because thats how many grades he has and I got 86.

On the Grade row in the table it would go 83, 94, 79, 90, 96, 75 in order

The Above/Below 90 row would go -7, 4, 11, 7, -6, -3 in order

Lamont needs to get a 99 on his next test to have an average of exactly 90.


I HOPE THIS HELPED! PLEASE RATE ME AND MAKE MY ANSWER MOST BRAINLIEST!!

5 0
3 years ago
How can you represent data that relates to two different categories?
siniylev [52]

Answer:

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Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
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