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dolphi86 [110]
3 years ago
9

What are the roots of the polynomial equation? x2+x−72=0

Mathematics
1 answer:
Alika [10]3 years ago
8 0

Answer:

x(x-1)=72 x=9

Step-by-step explanation:

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The entry fee at a small fair is $1.50 for children and $4.00 for adults. On a certain day, 2200 people enter the fair and $5000
Sauron [17]

Answer:

The number of children attended the fair is 1520.

Step-by-step explanation:

We are given the following in the question:

Entry fee foe children = $1.50

Entry fee foe adult = $4.00

Total number of people in fair = 2200

Total money collected = $5000

Let x be the number of children and y be the number of adults in the fair.

Then, we can write the following equations:

x + y = 2200\\1.5x + 4y = 5000

Solving the two equations, we have:

1.5x + 1.5y = 3300\\1.5x + 4y = 5000\\\Rightarrow 2.5y = 1700\\y = 680\\x = 2200-680 = 1520

Thus, there were 1520 children and 680 adults in the fair.

8 0
3 years ago
Rules ⬆️ a dinosaur park cost $5.00 to enter plus $0.75 taxes. How much does it cost if a family of 4 went to the park
Bas_tet [7]

Answer:

23

Step-by-step explanation:

5 0
3 years ago
The 24 students in Mr. Brown’s homeroom sold 72 magazine subscriptions and 28 students and Mrs. Garcia’s homeroom so 98 magazine
ladessa [460]
Mrs. Garcia sold more
8 0
4 years ago
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Write this ratio as fraction in lowest terms.<br> $5.64 to $2.48 is
Nana76 [90]

Answer:

2\frac{17}{62}

Step-by-step explanation:

5.64 : 2.48

2.82 : 1.24

1.41 : 0.62

\frac{1.41}{0.62}=\\\\\frac{141}{62}=\\\\2\frac{17}{62}

8 0
3 years ago
Which expression is the factored form of −1.5w+7.5 ?
prohojiy [21]

Answer:

c.

Step-by-step explanation:

the most that can be factored out is -1.5,

-1.5 * w = -1.5w

-1.5 * -5 = 7.5

-1.5w + 7.5, so it's

-1.5(w-5)

8 0
3 years ago
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