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earnstyle [38]
2 years ago
7

If 400 kids went to the amusement park and only 120 came back how many got lost?

Mathematics
2 answers:
LekaFEV [45]2 years ago
6 0

Answer:

280

Step-by-step explanation:

400 - 120=280

280= number of children lost

Taya2010 [7]2 years ago
5 0

Answer:

280

Step-by-step explanation:

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Anyone? please i need help
arsen [322]
<span><u><em>Answer:</em></u>
y = 5x - 7

<u><em>Explanation:</em></u>
<u>The general form of the linear line in slope-intercept form is:</u>
y = mx + c
where:
m is the slope
c is the y-intercept

<u>1- getting the slope:</u>
The slope of the line can be calculated using the following formula:
m = </span>\frac{y_{2}-y_{1}}{x_{2}-x_{1}}
<span>
We are given the points:
(3,8) representing (x</span>₁<span>,y</span>₁<span>)
(2,3) representing (x</span>₂<span>,y</span>₂<span>)
Substitute with the givens in the above equation to get the slope as follows:
m = </span>\frac{3-8}{2-3}<span> = 5

<u>Therefore, the equation now became:</u>
y = 5x + c

<u>2- getting the y-intercept:</u>
To get the value of the c, we will use any of the given points, substitute in the equation we got in part 1 and solve for c. I will use point (2,3) as follows:
y = 5x + c
3 = 5(2) + c
3 = 10 + c
c = 3 - 10
c = -7

<u>Based on the above, the equation of the line is:</u>
y = 5x - 7

Hope this helps :)</span>
6 0
3 years ago
Read 2 more answers
Seven times a number minus the number is -48. Find the number.
Darya [45]

Answer:

-8

Step-by-step explanation:

7(-8)=-56

-56--8=-56+8=-48

7 0
3 years ago
Read 2 more answers
Solve for X. No decimals <br> Help please
r-ruslan [8.4K]

Answer:

x =√25-16

x =√9

x =3

Step-by-step explanation:

I've used the Pythagoras theorem

3 0
3 years ago
Read 2 more answers
Let w=width and 4 + w=
kozerog [31]

Answer:

Part 1 : w^2+4w-60=0

Part 2 :

w=6

l = 10

Step-by-step explanation:

Part 1:

Let the width of the rectangle = w

Length of the rectangle = w + 4

Area of the rectangle is given as

60 Sq Yrds

60=w(w+4)

60=w^2+4w

w^2+4w-60=0

Hence this expression represents the area of the rectangle. Solving which for w will give us the width of the rectangle.

Part 2:

(w+10)(w-6)= 0

either (w+10) = 0

or

(w-6)=0

or both are zero

(w+10) = 0 ⇒ w = -10

not possible as the dimension can not be 0

(w-6)=0  ⇒ w=6

Hence the width is 6 yards

And thus the length will be 6+4 = 10 yards

8 0
3 years ago
Write a cosine function for the graph
Whitepunk [10]

the answer is c,

y = 2 \cos(4x)

5 0
3 years ago
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