Anything divided by itself is going to be 1 and since we are dividing it into a negative number its going to be a negative output so the answer would be -1

4 0

2 years ago

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A train travels 58 kilometers in 4 hours, and then 80 kilometers in 4 hours. What is its average speed?

Olegator [25]

Average speed =

(total distance covered) / (time to cover the distance).

Total distance covered = (58km + 80km) = 138 km

Time to cover the distance = (4hr + 4hr) = 8 hours

Average speed = 138km / 8hr = 17.25 km/hour .

(That's less than 11 mph. You could bike there faster!)

7 0

2 years ago

PLEEEEASE HELP!!!! WHO EVER IS BEST WILL BE BRAINLIEST!!!!!!!!!!!!!!!!

Y_Kistochka [10]

Answer:

No they will not reach their goal because they made $310 which is less than $400.

Step-by-step explanation:

Part A the inequality:

You want to make at least 400 or more on the fundraiser, so use greater that or equal to. I used h to represent holiday cards and w to represent wrapping paper.

$1.50h + 1.00w \geq 400$

Part B:

$1.50h + 1.00w \geq 400\\1.50(100)+1(160)\geq 400\\150+160\geq 400\\310\geq 410$

No they will not reach their goal because they made $310 which is less than $400.

3 0

2 years ago