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Sav [38]
3 years ago
8

If a train travels 70 miles per hour how long will it take it to travel 350 miles at this speed

Mathematics
1 answer:
svetoff [14.1K]3 years ago
4 0
Since the train travels at a rate of 70 miles/hour, the train will take 5 hours to have traveled a total of 350 miles. The missing information in the question you've proposed is the value of "H" or the number of hours (as the unit hours is indicated in the question). This can be determined with the formula <em>Distance = rate X time. </em>350 = 70 X H, in this case. To isolate the variable H, 70 (the rate) divides 350 (the total distance) into 5. 350 ÷ 70 = H. 5 = H, the amount of time spent traveling for 350 miles at a rate of 70 miles/hour.

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If you could answer all of these that would be very helpful please help!!
Vlad [161]
0.75 is equal to 6\8
5.8 is > 4\5
a decimal greater than 5\8 is 1.2
0.2 > 1\4
0.7>0.6
a decimal smaller than 6\8 is 0.01
The one that is not equal to -7\5 is -11\5 
The answer is D 

3 0
3 years ago
Find f(x) if it is known that f(x+3)=4x+12.
MArishka [77]

Solution:

we are given that

f(x+3)=4x+12

we have been asked to find f(x).

we can find the value of f(x) by re-writing the given function in the form of f(x+3) and thereafter we will replace (x+3) by x.

we can re-write the given function as below

f(x+3)=4(x+3)\\\\\Rightarrow f(x)=4x\\

Hence the expression representing f(x) is f(x)=4x+3.

8 0
3 years ago
Read 2 more answers
Part 50000 of me forgetting math please help
Citrus2011 [14]

Answer:

Vertical Pair

Step-by-step explanation:

...............It's Vertical..........

5 0
3 years ago
HELP PLZ DUE RN BRAINIEST TO WHOEVER RIGHT
stealth61 [152]

Answer:

x = 11, -1

Step-by-step explanation:

First, let's identify what the quadratic formula is:

x = [-b ± √(b² - 4(a)(c))] / 2

Our equation is written in standard form:

ax² + bx + c = 0

x² - 10x - 11 = 0

Let's plug in what we know.

x = [-(-10) ± √((-10)² - 4(1)(-11))] / 2

Evaluate the exponent.

x = [-(-10) ± √(100 - 4(1)(-11))] / 2

Simplify the negatives.

x = [10 ± √(100 - 4(1)(-11))] / 2

Multiply.

x = [10 ± √(100 + 44)] / 2

Simplify the parentheses.

x = [10 ± √(144)] / 2

Simplify the radical (√)

x = [10 ± 12] / 2

Evaluate the ±.

x = [10 + 12] / 2

x = [22] / 2

x = 11

or

x = [10 - 12] / 2

x = [-2] / 2

x = -1

Your answers are x = 11, -1

Hope this helps!

8 0
3 years ago
Ashley has at most $75 to spend on clothes. She wants to buy a pair of jeans that cost $35 and the rest on t-shirts. T-shirts co
Katena32 [7]

Answer:

4 t-shirts

Step-by-step explanation:

75-35 = 40

at most she can buy 4, because if she buys 5, she uses 45 dollars

8 0
2 years ago
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