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sp2606 [1]
3 years ago
13

Mason and Nora decided to swim across the river. Mason began swimming 7.7 seconds earlier than Nora. Mason swam at a speed of 5

feet per second. Nora swam at a speed of 5+1 feet per second. For how many seconds had Mason been swimming at the moment when the two swimmers had swam exactly the same distance?
Mathematics
1 answer:
user100 [1]3 years ago
7 0
Let d be distance travelled when they are level , and t = time that nora took to get level with mason for Nora 6 = d/t d = 6t for Mason 5 = d / (t + 35) d = 5 ( t + 350 so 6t = 5(t + 35) solve for t
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Explain how the model shows that 2 1/3 is equal to 7/3
ludmilkaskok [199]

Answer:

They are both equivalent just written in different ways

Step-by-step explanation

2 1/3

3*2=6

Add 1 which is the numerator

That leaves you with 7

Then you keep the 3 as the denominator.

That gives you 7/3

How to check

3 goes into 7, 2 times. So that gives you 2 and you have one left over to make it 7, so make 7 your numerator and the denominator always stays the same which is 3.

Hope this helps :3



7 0
3 years ago
Find the equation of a line that has slope, m, of 4 and passes through the point (10, 15).​
Fantom [35]

Step-by-step explanation:

m=4 , (10, 15)

straight line equation:

y= mx +c

substituting the values:

15=4(10) + c

15 = 40 + c

15 - 40 = c

c = -25

therefore,

y = 4x - 25 (ans)

hope this helps :)))

4 0
3 years ago
Consider the following graph of a piecewise-defined function.
netineya [11]
From the graph of peicewise-defined function, we shall obtain the answers to the questions as follows:
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Answer: B:5

b] when x≥3, the value of f(x) will be f(x)=-3
Answer: <span>A: -3</span>
4 0
3 years ago
Why do you need to find the common denominator to simplify
Vera_Pavlovna [14]
Because then you can just add the tops like they are
8 0
3 years ago
A $96.00 item is marked down by 25%.
tangare [24]

Answer:

72.00$

Step-by-step explanation:

25% = .25

.25 × 96.00 = 24

96 - 24 = 72

6 0
3 years ago
Read 2 more answers
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