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Natali5045456 [20]
3 years ago
13

Guys this is a real problem!!! Will mark brainliest!!

Mathematics
2 answers:
Igoryamba3 years ago
4 0
311(1.50)+.50x=385.50

would be your equation
oee [108]3 years ago
4 0

Answer:

Step-by-step explanation:

Let the student tickets sold = x

Let the non-student tickets = y

x + y = 311

0.5x + 1.5y  =  385.5       Multiply the second equation by 2

x + 3y = 771                      Subtract2y the first equation

<u>x +  y =  311</u>

     2y =460

      y = 230

x then will equal 311 - 230 = 81

Check

81 * 0.5 =       40.5

<u>230 * 1.5  =  345</u>

Total         = 385.5 just as it should

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Whats the answer please help
lbvjy [14]
The answer would be 6.
8 0
3 years ago
F(x)=|3x+5|+6<br> g(x)=7<br> find (f+g) (x).
horrorfan [7]

Answer:

(f+g) (x)=\mid 3x+5\mid+13

Step-by-step explanation:

<u>Operation of Functions</u>

Given:

f(x)=\mid 3x+5\mid+6

g(x)=7

The sum of (f+g) (x) is:

(f+g) (x)=\mid 3x+5\mid+6+7

We cannot operate with the expression inside the absolute bars, thus:

\boxed{(f+g) (x)=\mid 3x+5\mid+13}

8 0
3 years ago
A manager bought 12 pounds of peanuts for $30. He wants to mix $5 per pound cashews with the peanuts to get a batch of mixed nut
seraphim [82]

Answer:

18 pounds of cashews are needed.

Step-by-step explanation:

Given;

A manager bought 12 pounds of peanuts for $30.

Price of peanut per pound P = $30/12 = $2.5

Price of cashew per pound C = $5

Price of mixed nut per pound M = $4

Let x represent the proportion of peanut in the mixed nut.

The proportion of cashew will then be y = (1-x), so;

xP + (1-x)C = M

Substituting the values;

x(2.5) + (1-x)5 = 4

2.5x + 5 -5x = 4

2.5x - 5x = 4 -5

-2.5x = -1

x = 1/2.5 = 0.4

Proportion of cashew is;

y = 1-x = 1-0.4 = 0.6

For 12 pounds of peanut the corresponding pounds of cashew needed is;

A = 12/x × y

A = 12/0.4 × 0.6 = 18 pounds

18 pounds of cashews are needed.

4 0
3 years ago
Suppose $1000 is invested at 8%, compounded quarterly. How much is in the account at the end of 4 years?
guajiro [1.7K]
The correct answer is $320
3 0
3 years ago
The angle measures of a triangle are in a ratio of 4 : 6 : 10. what type of triangle is this?
melomori [17]
4x+6x+10x=180

20x=180

x=9

So, the angles are:

4(9)=36
6(9)=54
10(9)=90

It's a right triangle.
6 0
3 years ago
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