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vova2212 [387]
3 years ago
10

Tickets to the concert were $2.50 for adults and $1 for students. $1200 was collected and 750 tickets were sold. Write a system

of linear equations that can be used to find how many adults (a) and how many students (b) attended. How many students attended? (8 points)

Mathematics
2 answers:
PSYCHO15rus [73]3 years ago
7 0

there is  470 adults and kids is 280

fiasKO [112]3 years ago
3 0
Here’s a screenshot of the answer

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A serving of raisins contains 134 calories and 27 grams of carbohydrate. If raisins are a fat-free food, how much protein is pro
elena55 [62]
The correct answer is 6.5 grams

To get to 134 total calories, use the 4-9-4 rule:
0 fat x 9 calories = 0 calories
27 carb x 4 calories = 108 calorie
? protein x 4 calories = 26 calories (134-108)

So 26 calories ÷ 4 = 6.5 grams protein

3 0
2 years ago
a car travels 30 1/5 miles in 2/3 of an hour. What is the average speed, in miles per hour, of the car?
Nadusha1986 [10]

Answer:

45.3 miles/hour

Step-by-step explanation:

30.2 / .666667

5 0
3 years ago
Last week Amelia runs 5 miles in 10 minutes and she jogs 8 miles in 15 minutes. At this rate, how many total miles if she spent
Lady_Fox [76]

Answer:

46 MI

Step-by-step explanation:

5:10

8:15

X:60

Y:30

30+16

46

3 0
3 years ago
Evaluate the value of a÷ ( b+c) when a= 51 , b= 15 & c= 2 .
mel-nik [20]

Answer:

by substituting the values we get

51÷(15+2)

51÷17=3

hope it helps you mate

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4 0
3 years ago
Find the area of the triangle.
BabaBlast [244]

Answer:

17.7 cm^2

Step-by-step explanation:

Use trig to find the height of the triangle. Then the area is bh/2.

Extend side BC to the right until it is vertically below point A. Draw a segment from point A vertically down until it intersects the extension of side BC. Call the point of intersection D. <D is a right angle.

Use triangle ABD to find the height, AD, of triangle ABC.

For <B of 37 deg, AD is the opposite leg. AB is the hypotenuse. The trig ratio that relates the opposite lefg to the hypotenuse is the sine.

sin B = opp/hyp

sin 37 deg = AD/13.1

AD = 13.1 * sin 37 deg

AD = 7.9

AD is the height of triangle ABC. BC is the base. We can find the area of triangle ABC.

area = bh/2

area = (4.5 cm)(7.9 cm)/2

area = 17.7 cm^2

5 0
3 years ago
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