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ycow [4]
4 years ago
11

When Andrei surveyed 36 random seventh-grade students in the lunchroom, he found that 7 out of 9 would like to try or have

Mathematics
1 answer:
Alex73 [517]4 years ago
7 0

Answer:

About 630 seventh-grade students would like to snorkel

Step-by-step explanation:

if you do

7/9 x 90 equals 630/810 total students

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Y=88
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3 years ago
Aaron is growing two plants. At the last measurement,the first plant was 6.53 inches tall and the second was 2.7 inches tall.
AlekseyPX
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If a triangle has lengths of 3 ft and 54 ft, check all the possible lengths for the third side
Hitman42 [59]

MrBillDoesMath!


Answer:  51,53,55,57


Discussion. By the triangle inequality the sum of the lengths of any two sides is greater than or equal to the third side. In our case,   3 + 54 = 57, so  the third side must be less than or equal to 57.


MrB

4 0
3 years ago
The height of a triangle is 4 ft less than the base x. The area is 126 ft2. Find the dimensions of the triangle.
valina [46]

Answer:

Base = x = 18ft

Height = x - 4 = 14ft

Step-by-step explanation:

The formula for the area of A the triangle is given by the following equation:

1) A = (base * heigth)/(2)

From this problem, we know that

base = x and that the height is 4ft less than the base, so height = base - 4 = x - 4.

We also know that the area is 126ft², so A = 126 ft². Now we can replace these informations in equation 1).

126 = (x(x-4))/2

x² - 4x = 252

x² -4x - 252 = 0

The roots of this equation are x = 18 or x = -14. But we know that a triangle cannot have negative dimensions, so we use x = 18.

The base is x, so base = 18ft.

Height is 4ft less than the base, so height equals 18-4 = 14ft

7 0
4 years ago
The function f(x) is show on the graph. What is f(0)?
dexar [7]

Answer:

x = 0

Step-by-step explanation:

the origin

6 0
3 years ago
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