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TiliK225 [7]
3 years ago
7

Leona is having a birthday party on Sunday. Jeanette wants to know how many people will be coming. Leona tells her that there wi

ll be 12 tables. Seven tables will have six people each; the rest will have either seven or nine people. Find all the possible numbers of people that could be coming to Leona‘s party. Show your work.
Send me a picture of your work please. NEED THIS ASAP!!!!!
Mathematics
1 answer:
konstantin123 [22]3 years ago
7 0

Answer:77 and 87

Step-by-step explanation:

7×6=42 + 5+7=35/\ 35+42=77(first outcome)

7×6=42 + 5×9=45/\42+45=87 (second outcome.

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faust18 [17]

Answer:

The volleyball travel high enough to clear the top of the net.

Step-by-step explanation:

The height of a volleyball, h, in feet, is given by h = −16t² + 11t + 5.5, where t is the number of seconds after it has been hit by a player.

Now, for h = 7.3 feet, we can write

7.3 = - 16t² + 11t + 5.5

⇒ 16t² - 11y + 1.8 = 0

Using the quadratic formula we get,

t = \frac{- (- 11) \pm \sqrt{(-11)^{2} - 4(16)(1.8)}}{2(16)}

⇒ t = \frac{11 \pm 2.4}{32}

⇒ t = 0.27 or t = 0.42

Therefore, for the two real positive values of t the volleyball travel high enough to clear the top of the net. (Answer)

5 0
3 years ago
Find the equation of the line that passes through (4,4) and is parallel to
Black_prince [1.1K]

Answer:

y = - 3x + 5

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Given

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Parallel lines have equal slopes, thus

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To find c substitute (3, - 4) into the partial equation

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Step-by-step explanation:

8 0
3 years ago
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Answer:

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Step-by-step explanation:

1/2 inch per 2 miles

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3 years ago
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