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Svet_ta [14]
3 years ago
8

It takes 2.5 poster boards to display half of your project. How many poster boards will you need for your entire project?

Mathematics
1 answer:
Ludmilka [50]3 years ago
8 0
It has to be 5 because 2.5 is half so the other half 2.5 .so 2.5 +2.5 =5
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For a school play, 739 tickets valued at $857 were sold. Some cost $1 and others cost a $1.50. How many $1 tickets were sold?
balu736 [363]

Answer:

503 $1 tickets sold.

Step-by-step explanation:

Use two equations  

Let x = number of $1 tickets sold  

Let y = number of $1.50 tickets sold  

x + y = 739  

1x + (1.5)y = 857  

First equation ==> y = 739 - x  

Plug this into the second equation  

x + (1.5)(739 - x) = 857  

x + 1108.5 - 1.5x = 857  

- 0.5x = -251.5  

x = 503  

There were 503 $1 tickets sold.  

To find the number of $1.50 tickets, just plug this value of x into either one of the equations.  

(503) + y = 739       (739 - 503 = 236)

y = 236  

There were 236 $1.50 tickets sold.

3 0
4 years ago
Evaluate the expression when x= -4. 2 x + 6x+9​
ExtremeBDS [4]

Answer:

The answer is -23.

Step-by-step explanation:

substitute x with -4. multiply and add regularaly.

6 0
3 years ago
Read 2 more answers
Move each shape to the box that shows the correct number of lines of symmetry.
Marrrta [24]

Answer:

You have box 0 correct. The arrow goes in box 1. The square goes in box 4. And the rectangle goes in box 2.

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Please please help me out
Inessa [10]

Answer:

26.6 m

Step-by-step explanation:

Given the figures are similar

linear ratio = a : b

area ratio = a² : b²

here

area ratio = 16 : 25, then

linear ratio = 4 : 5 ( square root of both area ratio parts )

let the perimeter of the larger figure be x, then by proportion

\frac{4}{21.3} = \frac{5}{x} ( cross- multiply )

4x = 106.5 ( divide both sides by 4 )

x ≈ 26.6

Hence perimeter of larger figure is approximately 26.6 m

3 0
3 years ago
Carlos predicts he has 24 dollars in his wallet. If Carlos actually had 33 dollars, what was Carlos' percent error?
Serggg [28]
Learned this yesterday, lol.
It's basically just:
100[ (33-24)/24 ]
100[ 9/24 ]
100[ 0.375 ]
37.5%
5 0
3 years ago
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