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2 years ago

josefina surveyed 298 students and found that 52% like scary movies . estimate the number of students that like scary movies .

Mathematics

1 answer:

Inessa [10]2 years ago

8 0

It would be: 298*52 / 100 = 154.96

Approx. 155 students like scary movies

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Cleo added 3a+4b and got 7ab. Three of these statements explain why her answer is wrong. Which one does not

Triss [41]

Answer:

3 and 4 are factors of 12 so they should be multiplied to get a product of 12 ab. (Answer D)

Step-by-step explanation:

You do not multiply in addition unless an exponent is present. You should not multiply or add considering these are not like terms. Therefore, D is wrong.

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2 years ago

X-Intercepts?

valkas [14]

Answer:

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y-int: (0,-8)

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1 year ago

A marching band was in a parade. the band members marched in 8 rows. there were 6 band members in each row. explain how the fact

natta225 [31]

If 5 x 6 = 30 you can figure out 8 x 6 by adding 6 three times to 30!

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2 years ago

A section of a rectangle is shaded. The area of the shaded section is 63 square units. What is the value of x?

ella [17]

Answer:

$x=11$

Step-by-step explanation:

We have been given a graph of a rectangle. The area of the shaded section is 63 square units. We are asked to find the value of x.

We can see from our given graph that shaded section forms a trapezoid, so we will use area of trapezoid formula to find the value of x.

$\text{Area of trapezoid}=\frac{(a+b)}{2}\times h$ , where, a and b represents the parallel sides of trapezoid and h represents height of trapezoid.

Upon substituting our given values in above formula we will get,

$63=\frac{7+x}{2}\times 7$

$63=(7+x)*3.5$

Upon dividing both sides of our equation by 3.5 we will get,

$\frac{63}{3.5}=\frac{(7+x)*3.5}{3.5}$

$18=7+x$

Let us subtract 7 from both sides of our equation.

$18-7=7-7+x$

$11=x$

Therefore, the value of x is 11 units.

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2 years ago