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Marina86 [1]
3 years ago
9

The speech and science clubs at a high school are both trying to get more involved in their community this year. Currently, they

are planning fundraisers for a local nonprofit organization.
The speech club is selling calendars for $12 each. It originally had to pay $150 in printing fees, and the members plan to sell 10 calendars each day.
The science club is offering individual tutoring sessions for $15 per session. The club has no start-up costs, and plans to provide 6 sessions per day.

If x represents the number of days from the start of the fundraiser, what equations can the clubs use to find the total estimated amount each club will raise, y?
Mathematics
2 answers:
siniylev [52]3 years ago
7 0

Answer:

here you go!!

gizmo_the_mogwai [7]3 years ago
5 0

Answer:

Speech club y= 120x + -150

Science club y= 90x

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prohojiy [21]

Answer:

this statement is false.

Step-by-step explanation:

cancel equal terms

add the numbers (5+12) (2+14)

17=16

not true.

3 0
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Surface area of the pyramid
koban [17]

Answer:

the answer is 71.2

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4×4=16

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5 0
3 years ago
1. Calculate the slope of the line that passes through the points (-2, 6) and (5, 14).
SSSSS [86.1K]
( -18 - 14)/(2 - -6)
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3 0
3 years ago
You buy milk that contains 180 calories per 2 cups. Use a ratio table to find the number of calories in 5.5 cups.
Ludmilka [50]

Answer:

The number of calories in 5.5 cups are <u>495</u>.

Step-by-step explanation:

Given:

You buy milk that contains 180 calories per 2 cups.

Now, to find the number of calories in 5.5 cups.

Let the number of calories in 5.5 cups be x.

As, in 2 cups there are 180 calories.

2 cups is equivalent to 180 calories.

Thus, the ratio would be 2:180.

So, in 5.5 cups there are x calories.

5.5 cups is equivalent to x calories.

Thus, the ratio would be 5.5:x.

Now, we set proportion to get the number of calories in 5.5 cups:

2:180::5.5:x

\frac{2}{180} =\frac{5.5}{x}

<em>By cross multiplying we get:</em>

2x=990

<em>Dividing both sides by 2 we get:</em>

x=495.

Therefore, the number of calories in 5.5 cups are 495.

4 0
3 years ago
for what value of k, the line joining 3x-ky+7=0 is perpendicular to the line joining (4 ,3) and ( 5, -3).
Schach [20]

Answer:

  • k = 18

=========

<h2>Given</h2>

<h3>Line 1</h3>
  • 3x - ky + 7 = 0

<h3>Line 2</h3>
  • Passing through the points (4, 3) and (5, - 3)

<h2>To find</h2>

  • The value of k, if the lines are perpendicular

<h2>Solution</h2>

We know the perpendicular lines have opposite reciprocal slopes, that is the product of their slopes is - 1.

Find the slope of line 1 by converting the equation into slope-intercept from standard form:

<u><em>Info:</em></u>

  • <em>standard form is ⇒ ax + by + c = 0, </em>
  • <em>slope - intercept form is ⇒ y = mx + b, where m is the slope</em>

  • 3x - ky + 7 = 0
  • ky = 3x + 7
  • y = (3/k)x + 7/k

Its slope is 3/k.

Find the slope of line 2, using the slope formula:

  • m = (y₂ - y₁)/(x₂ - x₁) = (-3 - 3)/(5 - 4) = - 6/1 = - 6

We have both the slopes now. Find their product:

  • (3/k)*(- 6) = - 1
  • - 18/k = - 1
  • k = 18

So when k is 18, the lines are perpendicular.

4 0
2 years ago
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