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wel
2 years ago
5

1-4 please, i dont know any of them

Mathematics
1 answer:
ololo11 [35]2 years ago
3 0
1)B
2)A
3)a
4)d
In my opinion
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The admission fee at an amusement park is $3.50 for children and $7.00 for adults. On a certain day, 331 people entered the park
andriy [413]

Let c be children and a adults.

3.5c + 7a = 1771 (the total revenue is equal to the amounts made off of people)

c + a = 331 (total number of people)

The second formula becomes a = 331 - c. This can be substituted into the first formula.

3.5c + 7(331 - c) = 1771 = 7*331 - 3.5c = 1771. 7*331 = 2317, so 3.5c = 2317 - 1771 = 546.

546/3.5 = 156 = c (number of children).

c + a = 156 + a = 331 => a = 331 - 156 = 175 (number of adults).

There are 156 children and 175 adults

6 0
3 years ago
Read 2 more answers
What is 5 5/7 × 3 1/5 ?
laila [671]

Answer:

128/7 or 18 2/7

Step-by-step explanation:

the decimal answer is 18.28571428... so if you round it, it is 18.3

6 0
3 years ago
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The area of a rectangle is x2 - 2x - 15 and the length of the rectangle is x + 3. Find the width of the rectangle.
Alexandra [31]
The area of the triangle could be determined by multiplying the length and the width. Since, we are given the area and the length, to find the width, you divide the area by the length:

w = A ÷ l
w = (x2 - 2x - 15) ÷ (x+3)

What do you have to multiply to (x+3) to yield x2 - 2x - 15? That would be x - 5. Since the sum of -5 and 3 = -2 (middle term) and the their product is -15 (last term).

Hence, the width is (x-5).
8 0
3 years ago
Please help |x+10| , if x=−12
Pani-rosa [81]

Answer:

2

Step-by-step explanation:

All you do is substitute x.

Add.

|-12 + 10|

Find the absolute value of |-2|.

|-2|

2

4 0
3 years ago
Through(-3,0)and (0,3)
larisa86 [58]

Answer:

Step-by-step explanation:

the  equation line passes through(-3,0)and (0,3)  is : y=ax+b

a is the slope   a = (3-0)/(0+3) = 1

so : y= x +b  calculate b  line passes through(-3,0)and (0,3)

x=0   y=3  : 3 = 0+b       so  b= 3

this equation is : y= x+3

4 0
3 years ago
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