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Alex73 [517]
3 years ago
5

Create your own real-world problem that uses either a two-step equation or two-step inequality to solve. Based on your real-worl

d problem, write an equation or inequality, then solve, and graph (if you created an inequality) the equation or inequality that represents this situation
Mathematics
1 answer:
zhuklara [117]3 years ago
3 0
Libby wants to make cookies for her whole class. There are 36 students in her class. The recipe Libby is going to use only makes 12 cookies. How many batches of cookies is Libby going to have to make to feed her whole class?
36/12
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Find x I need help don’t really understand it
Masja [62]

you would use sine

sine = opposite side / hypotenuse

and solve for opposite side (x)

so sine of 70*14= which is about 13.146

4 0
3 years ago
Read 2 more answers
Tito bought a rare album for $68.00 and later sold it for $76.00 what is the percent of increase , rounded to the nearest tenth?
Lostsunrise [7]

Answer:

Percent of increase=11.8%

Step-by-step explanation:

It is given in the question that Tito bought a rare album for $68.00 and later sold it for $76.00 .

So increase in price is the difference of selling price and the buying price. That is,

76-68=$8

And the percentage is

\frac{8}{68}*100=11.8%

And that's the required answer.


4 0
3 years ago
Find the surface area of the square pyramid
mojhsa [17]

Answer:

4. 56 ft²

Step-by-step explanation:

SA = (4×4)+(4×½×4×5)

= 16+40

= 56

6 0
3 years ago
What is the solution to this equation? 4x+x-15+3-8x=13
Ierofanga [76]

Answer:

x = -25/3

Step-by-step explanation:

The equation simplifies to -3x - 25 = 0, so

-3x = 25 =>

x = -25/3

7 0
3 years ago
What is the solution to ln (x2 - 16) = 0?
bogdanovich [222]
ANSWER

x = \pm \sqrt{17}
EXPLANATION

The given equation is

ln( {x}^{2} - 16) = 0

Take antilogarithm of both sides to base e.

{e}^{ ln( {x}^{2} - 16) } = {e}^{0}

This will simplify to

{x}^{2} - 16 = 1

Group like terms to obtain,

{x}^{2} = 1 + 16

{x}^{2} = 17

Take square root of both sides to get,

x = \pm \sqrt{17}
6 0
3 years ago
Read 2 more answers
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