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madam [21]
2 years ago
11

Help wich expression is equivalent to -8(10x-3)

Mathematics
1 answer:
Tju [1.3M]2 years ago
5 0
A because you distribute the -8 to get -80x-(-24)
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Hiiooo! Could someone please help me with this problem❤️❤️
Vera_Pavlovna [14]

Answer:

x=15

Step-by-step explanation:

divide 12/20 by 4 to get 3/5 then multiply by 3 to get your value of x

7 0
2 years ago
Identify whether each phrase is an expression, equation, or inequality.
OverLord2011 [107]

Answer:

swich the one attached to equation with the one attached to expression

Step-by-step explanation:

an equation need to have an equals sign, an expression doesnt.

8 0
3 years ago
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A grasshopper jumps off a tree stump. The height, in feet, of the grasshopper above the ground after t seconds is modeled by the
klasskru [66]

Answer:

Hence, Grasshopper will land on the ground after 1.5 sec.

Step-by-step explanation:

It s given that:

The height, in feet, of the grasshopper above the ground after t seconds is modeled by the function:

h(t)=-t^2+\dfrac{4}{3}t+\dfrac{1}{4}

Now we are asked to find:

In how many seconds will the grasshopper land on the ground?

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i.e.

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i.e. we need to find the roots of the given quadratic equation.

On solving the quadratic equation or plotting it's graph we could observe that the point where h(t)=0 are:

t=-\dfrac{1}{6},t=\dfrac{3}{2}

As time can't be negative hence we will consider:

t=\dfrac{3}{2}=1.5sec

Hence, grasshopper will land on the ground after 1.5 sec.

4 0
3 years ago
The percent of area associated with z = 1.4 is ____%
Solnce55 [7]
The answer is A. 38.49
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3 years ago
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Which of the following best describes interval C on the graph shown?
Slav-nsk [51]

Note: <em>The missing graph is attached below. </em>

Answer:

'linear decreasing' best describes interval C on the graph shown.

Step-by-step explanation:

Note: <em>The missing graph is attached below. </em>

From the attached graph, it is easy to figure out that the interval C on the graph shown is showing a straight line. So the graph of the function would be linear.

Also on the interval C, the value of y is decreasing as the value of x increase. So, the slope of the straight line would be negative.

So the interval C indicates that the function is decreasing there.

Therefore, 'linear decreasing' best describes interval C on the graph shown.

7 0
3 years ago
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