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Montano1993 [528]
3 years ago
14

Y= -3x^3+17x^2-10x

Mathematics
2 answers:
Citrus2011 [14]3 years ago
7 0

Answer:

third solution should be 0

Step-by-step explanation:

anygoal [31]3 years ago
3 0

Answer:

third solution is 0

Step-by-step explanation:

graph passes through the point of origin

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A total of 165 people attended the opening night of a school play. Adults were charged $6, and children were charged $2. The tot
arlik [135]
-------------------------------------------------------------------------
Given Information
-------------------------------------------------------------------------
Total number of people = 165
Adult = $6
Child = $2
Total collected = $618

-------------------------------------------------------------------------
Assumptions 
-------------------------------------------------------------------------
Let x be the number of adults and y be the number of children

-------------------------------------------------------------------------
Form equations
-------------------------------------------------------------------------
Total number of people
x + y = 165
Total amount collected 
6x + 2y = 618

-------------------------------------------------------------------------
Ans: The two equations are x + y = 165 and 6x + 2y = 618
-------------------------------------------------------------------------


The question is not asking for it but if you need to solve the equation to find the answer to x and y

-------------------------------------------------------------------------
Present the two equations and solve for x and y
-------------------------------------------------------------------------
x + y = 165          ------------------------- (eqn 1)
6x + 2y = 618      ------------------------- (eqn 2)

(eqn 1) : 
x + y = 165
x = 165 - y -------------------------  substitute into (eqn 2)

6(165 - y) + 2y = 618
990 - 6y + 2y = 618
4y = 990 - 618
4y = 372
y = 93 -------------------------  substitute into (eqn 1)

x + y = 165
x + 93 = 165
x = 165 - 93
x = 72 

x = 72 and y = 93

-------------------------------------------------------------------------
Ans: 72 adults and 93 children
-------------------------------------------------------------------------
5 0
3 years ago
Read 2 more answers
(3/7 * (- 5/8)) + (1/3 * 5/6) + |- 1/2 - 1/5|
ANEK [815]

Answer:

Exact Form:

1789/2520

Decimal Form:

0.70992063

8 0
2 years ago
Find the quartiles for these data values:
sammy [17]
<h3>Answer: Choice B</h3>

Q1 = 7, Q2 = 10, Q3 = 13.5

=============================================================

Explanation:

Start with {5,7,7,8,10,11,12,15,17}

Notice how this data set is already sorted for us from smallest to largest.

Cross off the first and last items to get {7,7,8,10,11,12,15}

Repeat the last step to get this smaller set {7,8,10,11,12}

Repeat again: {8,10,11}

Repeat one more time: {10}

The 10 is at the very center, so it is the median aka the value of Q2.

-------------

An alternative way to get the median is to follow these steps:

There are n = 9 numbers in the original set before we crossed off any items. The middle number is in slot 5 because n/2 = 9/2 = 4.5 rounds up to 5. The value in the fifth slot is 10, so 10 is the median.

There are 4 items below the median and 4 items above it, giving n = 4+1+4 = 9 items total.

-------------

Next, break the data set into two smaller groups

L = lower set = every value below the median

L = {5, 7, 7, 8}

U = upper set = every value above the median

U = {11, 12, 15, 17}

The median itself is in neither set L nor set U.

The median of set L is (7+7)/2 = 7, so this is the value of Q1

The median of set U is (12+15)/2 = 13.5 which is the value of Q3

-------------

Summary:

Q1 = 7

Q2 = 10 (aka the median of the original set)

Q3 = 13.5

6 0
2 years ago
Read 2 more answers
What is the value of (5 x 20) + (8 x 10)?
Dima020 [189]

Answer:

180

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
A recipe of pasta makes enough for eight servings. How many servings can be made using 4/8 of each ingredient in the recipe?
marta [7]
4/8 is the same as 1/2, so half. If you only have 4/8, then half of eight is 4. 4 servings.
6 0
3 years ago
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