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3 years ago

HELP HELP HELP OVER HERE EXTRA POINTS

Mathematics

1 answer:

Evgesh-ka [11]3 years ago

6 0

Answer:

Step-by-step explanation:

the median of july is 8

the median of august is 10

median=middle number

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Is the set closed or not closed under operation? Negative Integers under multiplication

Nutka1998 [239]

The set is not closed

Example

-4 * -2 = 8

8 is not a negative integer

8 0

3 years ago

To get from the post office to the library, Sindy walked due north and then due east. The distance Sindy walked east is 20 meter

Sidana [21]

Technically, none of the equations.

The equation you're looking for would be:

x²+(x+20)²=150²

7 0

3 years ago

Read 2 more answers

Help help math math math

Marianna [84]

Answer:

Step-by-step explanation:

Get rid of fractions:

Multiply the whole equation, i.e. all terms both sides of the equals sign, by the denominator or the lowest common multiple of all denominators if there are multiple fractions in the equation;

In this case, only one term is a fraction and therefore has a denominator (i.e. 7), so it is this number we multiply the equation by to get:

7(y) = 7(-³/₇.x) + 7(3)

7y = -3x + 21

3x + 7y = 21

5 0

2 years ago

If I have a 74 in geometry, and I have an assignment worth 100 points then I get a zero, what would my grade be?

Paraphin [41]

................

Step-by-step explanation:

it would at LEAST be like around 20-30 because a 0 can drop something FAST

3 0

3 years ago

Two trains leave Cleveland at the same time. One train travels east and the other travels west. The speed of the westbound train

OlgaM077 [116]

Answer:

The eastbound train travels at 92 mph and the westbound train travels at 96 mph.

Step-by-step explanation:

We know that Velocity = distance / time

If the eastbound train travels at x miles per hour, the westbound train travels at x + 4 mph.

After 3.5 hours, they are 658 miles apart. If we solve for distance the formula given above we have: Distance = velocity x time. We have that the total distance between both trains is 658 miles.

Substituting the values of the problem and solving for x we have

$658 = 3.5x+3.5(x+4)\\658=3.5x+3.5x+14\\644=7x\\92=x$

Thus, the eastbound train travels at 92 mph and the westbound train travels at 96 mph.

6 0

3 years ago