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serg [7]
3 years ago
6

Evaluate -4 - 5 + 4 + (-5)

Mathematics
2 answers:
Alja [10]3 years ago
4 0

Answer:

-10

Step-by-step explanation:

r-ruslan [8.4K]3 years ago
3 0

Answer:

-10

Step-by-step explanation:

it just works

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the singh and robinson families planned a trip to busch gardens. they needed to buy one ticket per person and then pay for parki
hjlf

Let x represent cost of each ticket and y represent cost of parking.

We have been given that the Singh's spent $335 for 5 people and parking. We can represent this information in an equation as:

5x+y=335...(1)

We are also told that the Robinson spent $465 for 7 people and parking. We can represent this information in an equation as:

7x+y=465...(2)

Now we will use elimination method to solve our given system of equations.

Upon subtracting equation (1) from equation (2), we will get:

7x-5x+y-y=465-335

2x=130

\frac{2x}{2}=\frac{130}{2}

x=65

Therefore, the each ticket costs $65.

Upon substituting x=65 in equation (1), we will get:

5(65)+y=335

325+y=335

325-325+y=335-325

y=10

Therefore, the parking costs $10.

5 0
3 years ago
A parabola can be represented by the equation x2 = 2y. What are the coordinates of the focus and the equation of the directrix?
SOVA2 [1]
The standard equation for a parabola that opens upward parallel to the y-axis is x2=4ay, where a = distance from the vertex to focus. Vertex is at origin(0,0)
4a=2
a=2/4
a=1/2 or 0.5
the coordinate of the focus is (0, 1/2)
the equation of the directrix is y=-1/2

5 0
3 years ago
Read 2 more answers
A random number generator is used to create a list of 300 single-digit numbers. Of those 300 numbers, 146 are odd and 154 are ev
quester [9]
The answer would be 0.44
5 0
3 years ago
Read 2 more answers
Can anyone please help me with question need help please ​
Ivanshal [37]

Step-by-step explanation:

there is no reason in maths only the method

4 0
3 years ago
Find the measure of K
eimsori [14]

Answer:

50+50=100

180-100=50

The answer is 40

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2 years ago
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