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Nutka1998 [239]
3 years ago
9

Which line is parallel to y = -4x + 8?

Mathematics
1 answer:
Musya8 [376]3 years ago
5 0
Y = -4x + 3
Because, it has the same slope (-4) as the slope of y = -4x + 8
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Use an exponent to write each expression 7/9 x 7/9 x 7/9 x 7/9 x 7/9 x 7/9 x 7/9 x 7/9
marysya [2.9K]
The exponent is 7^9 i forgot what they were called i’m sorry
5 0
3 years ago
Message
dezoksy [38]

Answer:

Part A

x + y ≤ 460

2.5·x + 1.25·y ≥ 600

Part B

192 bottles

Step-by-step explanation:

The given parameters are;

The selling price of a can of lemonade = $2.50

The selling price for each bottle of water = $1.25

The amount the club needs to raise to cover the cost of renting costumes, A = $600

The maximum acceptable cans and bottles = 460

Part A

Let 'x', represent the number of cans of lemonade accepted by the students, and let 'y' represent the number of bottles of water accepted, we have;

The situation can be represented by the following system of inequalities

x + y ≤ 460

2.5·x + 1.25·y ≥ 600

Part B

The number of cans of lemonade sold, x = 144

Therefore, we have;

2.5 × 144 + 1.25·y ≥ 600

1.25·y ≥ 600 - 2.5 × 144 = 240

1.25·y ≥ 240

y ≥ 240/1.25 = 192

y ≥ 192

The least number of bottles of water that must be sold to cover the cost of renting costumes, y = 192 bottles

4 0
3 years ago
Which could be the entire interval over which the function f(x) is positive
aalyn [17]

(-\infty,-2) \cup(2,\infty)

<h2>Explanation:</h2>

Remember you need to write complete questions in order to find exact answers. In this way you haven't provided any function, so I'll choose a quadratic function given by:

f(x)=x^2-4x

So we need to find the entire interval at which this function positive. Put another way:

f(x)>0

By using graphing tool, we get the graph shown below. As you can see:

  • The function decreases from x=-\infty \ to \ x=0
  • The function increases from x=0 \ to \ x=\infty
  • The graph of the function is a parabola that opens up.

But what is really importan in this problem is that:

  • The function is positive over the interval (-\infty,-2) \cup(2,\infty)

At this interval the function is positive, that is, f(x)>0

<h2>Learn more:</h2>

Standard equation of the graph of a parabola:

brainly.com/question/12896871

#LearnWithBrainly

7 0
3 years ago
Which is closest to the measure of the marked angle in the shape?​
GaryK [48]
Out of the 3 choices, I’d say it’s C.

180 degrees because 180 degrees means a straight line and it’s not close to 90, a right angle. It seems like a closer angle to a straight line.
4 0
3 years ago
the two longer sides of a triangle measure 22 units and 29 units .which of the following is a possible length of the shorter sid
Tresset [83]
B is the right answer because a is too short and c and d are too long
7 0
3 years ago
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