3 years ago

An exam was given to a group of freshman and sophomore students. The results are below:

Mathematics

1 answer:

leonid [27]3 years ago

8 0

B(the student was a freshman or received a C)

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Which expression is equivalent to -1?

creativ13 [48]

Hello,
Answer B

If x≠y then
$\dfrac{x-y}{-x+y}=\dfrac{x-y}{-(x-y)}=-1$

7 0

3 years ago

A particle moves along a straight line with the equation of motion s = t^{5} - 2 t^{4} Find the value of t (other than 0 ) at wh

Sveta_85 [38]

Answer:

t = 8/5

Step-by-step explanation:

I'm assuming the equation given is the velocity of the particle

Derive the equation

$5t^4 - 8t^3$

Set it equal to 0 & solve for t

$0 = 5t^4 - 8t^3\\8t^3 = 5t^4\\8 = 5t\\\frac{8}{5} = t$

8 0

3 years ago

Use combining like terms to simplify the expression: 7x+2−5x+4

Artyom0805 [142]

Answer:

2x+6

Step-by-step explanation:

add the numbers:7x+6-5x

combine the like terms:7x+6-5x

2x+6

6 0

3 years ago

[100 point question answer asap]find the areas of the trapezoids

bazaltina [42]

Answer:

7.5

Step-by-step explanation:

You have two triangles with areas of 1.5 and 3 as well as a rectangle with an area of 3

5 0

3 years ago

If 3/4(x) is 12, then what is x?

iren [92.7K]

Answer:

Step-by-step explanation:

The equation is 3/4x=12, so you would just divide 12 by 3/4 to get 16 as x

6 0

4 years ago

Read 2 more answers