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Marta_Voda [28]
2 years ago
12

An average of 15 people visited a neighborhood lemonade stand over 3 days.On the first day 18 people came to the stand on the se

cond day 16 people came to the stand. How many people came to the stand on the third day?
Mathematics
2 answers:
Lunna [17]2 years ago
6 0
11 people. Hope this helped!!
RideAnS [48]2 years ago
5 0
The average of 18 and 16, to make 15, would be 11.  18 + 16 + 11 = 45. 45 divided by the 3 terms gives 15 people on the third day.
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a crew is picking up chairs in the gymnasium after an event. after clearing 217 chairs from the gym floor, 36 chairs still remai
elena-s [515]
There are 217 chairs cleared and 36 chairs left

ANSWER:
equation:
217 + 36 = 253
4 0
2 years ago
Someone help me with the last 2 problems to find the missing angles
Annette [7]

A straight line is also known as a supplementary angle with is equal to 180 degrees.

(this is for the first one) All you have to do is subtract the measure of the known angle from 180 degrees.

180 - 40 = 140

180 - 140 = 40

(second one) 105 plus 75 is going to equal 180 degrees. Now going the vertical way (instead of horizontal, the way the know angles are shown) :

180 - 75 = 105

180 - 105 = 75


I hope this helps. Let me know if this was correct/helpful and/or you need anymore help :)


4 0
3 years ago
Is this a function or not a function?
s344n2d4d5 [400]
No it is not a function
7 0
2 years ago
Let f(x)=x^2-2x-4
Amiraneli [1.4K]
F(-1)=1-2=-1
f(4)=16-8-4=4
A(x)=f(4)-f(-1)/4-(-1)
A(x)=4-1/4+1=3/5
4 0
3 years ago
Can someone please help 4x + 2x + 1 = 2x - x + 21
erica [24]

Answer: Rearrange:

Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :

4*x+2*x+1-(2*x-x+21)=0

Step by step solution :

STEP

1

:

Pulling out like terms

1.1 Pull out like factors :

5x - 20 = 5 • (x - 4)

Equation at the end of step

1

:

STEP

2

:

Equations which are never true:

2.1 Solve : 5 = 0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

2.2 Solve : x-4 = 0

Add 4 to both sides of the equation :

x = 4

One solution was found :

x = 4

3 0
2 years ago
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