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Hunter-Best [27]
3 years ago
9

Franco read 5/8 of a chapter of his history book in 2/5 of an hour. At this rate, how many chapters of his history book can he r

ead in 1 hour?
Mathematics
2 answers:
LenKa [72]3 years ago
7 0

Answer:

12.5/8 or 1  4.5/8 so the simplified answer could be 1 2.25/4

Step-by-step explanation:

multiply 5/8 by 2.5 becuase 2x2.5=5

so you want to get 5/5 for a full hour

5x2.5=12.5 and keep the donominator the same

then simplify so 1 4.5/8

please mark brainliest:D

Triss [41]3 years ago
6 0

Answer:

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Anton [14]

Answer: 10/3 is the answer here you go

4 0
3 years ago
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Q#7: Solve for the variable: 3(x+2) - 9 = 15 - 4(5x - 2) Make sure you round you answer to the nearest whole number.
masya89 [10]

    - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -- - - - - - - - -  -

\blue\textsf{\textbf{\underline{\underline{Question:-}}}}

3(x+2)-9=15-4(5x-2)

\blue\textsf{\textbf{\underline{\underline{Answer and How to Solve:-}}}}

  First use the distributive property of both sides:-

3(x+2)-9=15-4(5x-2)

3x+6-9=15-20x+8

Now add 20x on both sides:-

23x+6-9=15+8

On simplification,

23x-3=23

Add 3 to both sides:-

23x=26

Divide by 23 on both sides:-

x=26/23

<h3>Good luck.</h3>

     

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3 0
2 years ago
(x³+6)(x⁴-9)= _____  (type terms in descending order) please help!!!!!
docker41 [41]
(x^3+6)(x^4-9)=\\&#10;x^7-9x^3+6x^4-54=\\&#10;x^7+6x^4-9x^3-54
5 0
3 years ago
If x = –3 is the only x-intercept of the graph of a quadratic equation, which statement best describes the discriminant of the e
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Equations don't really have x intercepts, functions or curves do. They're also known as the zeros of the function.  When we set a function equal to zero we get an equation to solve, and the zeros of the function become the solutions or roots of the equation.

If a quadratic equation only has one root, that's a repeated root corresponding to a discriminant of zero.

In this example our equation is something like 2(x+3)^2=0, or expanded

2x^2+12x + 18 = 0

The discriminant d=b^2-4ac here is

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7 0
3 years ago
Solve for x what is -2x-4&lt;10
tino4ka555 [31]

the answer is x is greater then -7

to find this add 4 to each side

then divide by -2.

since you divided both sides by a negative the symbol flips and you get x is greater then -7

7 0
3 years ago
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