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Fudgin [204]
3 years ago
14

Please help me with this. an explanation would be great as well

Mathematics
2 answers:
Ira Lisetskai [31]3 years ago
6 0

Answer:

A

Step-by-step explanation:

test the constant 1/2 + (1/2)*(-3) = -2/2 = -1

Wittaler [7]3 years ago
6 0

Answer:

A

Step-by-step explanation:

y + yz

= x + \frac{1}{2} + (x + \frac{1}{2} )(2x - 3) ← expand factors using FOIL

= x + \frac{1}{2} + 2x² - 3x + x - \frac{3}{2} ← collect like terms

= 2x² - x - 1 → A

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Which of the following is not a security alliance that the US belongs to?
dimulka [17.4K]
The security alliance that the US does not belong to is..

D. Lisbon Treaty

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8 0
3 years ago
Read 2 more answers
At the movie theatre, child admission is $5.30 and adult admission is $9.70. On Wednesday, 156 tickets were sold for a total sal
serious [3.7K]

Answer:

The number of adult tickets are 57.

Step-by-step explanation:

Given,

Total number of tickets = 156

Total money = $1077.60

Solution,

Let the number of adult be x and of child be y .

So, Total number of tickets = Number of adults + Number of child

\therefore x+y = 156\ \ \ \ \ \ equation\ 1

Now, according to question;

Total money = Number\ of\ adults\times admission\ fee + Number\ of\ child\times admission\ fee

\therefore x\times 9.70+y\times 5.30 = 1077.60\ \ \ \ \ \ equation\ 2

On multiplying by 10 on both side, we get;

97x+53y=10776\ \ \ \ \ \ equation\ 3

Now multiplying equation 1 by 53 then subtract it from equation 3, we get;

(x+y)\times53 = 156\times53\\53x+53y=8268\\(97x+53y=10776)-(53x+53y=8268)\\44x=2508\\x=\frac{2508}{44} =57

Since x is the  number of adults,

Number of adults=57

Number of child = y = 156-57=99

Thus the number of adult tickets are 57.

7 0
2 years ago
The figure shows two triangles on a coordinate grid:
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Answer:

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Step-by-stp explanation:

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3 years ago
There are 130 m&m's in a bag. there are half as many green as red. the number of blue is equal to the number of red and gree
AleksandrR [38]
Let x = red
Let 0.5x = green
Let (x) + (0.5x) = 1.5x = blue
Let 0.5(1.5x) = 0.75x = yellow
Let 0.75x + 4 = brown

(x) + (0.5x) + (1.5x) + (0.75x) + (0.75 + 4) = 130
x + 0.5x+ 1.5x + 0.75x + 0.75 + 4 = 130
4.5x + 4 = 130
4.5x = 126
x = 28

Use this value to calculate the other required numbers.
red = 28
green = 0.5x = 0.5(28) = 14
blue = 1.5x = 1.5(28) = 42
yellow = 0.75x = 0.75(28) = 21
brown = 0.75x + 4 = 0.75(28) + 4 = 25
8 0
3 years ago
Help with geometry question
nata0808 [166]

Answer:

Step-by-step explanation:

The area of this parallelogram is

A=hb (height times base)

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h=(14.4mi^2)/(4.8mi)

h=3 mi

3 0
3 years ago
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