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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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15 points!!
saw5 [17]

Answer:

If the hypotenuse and one leg of a right triangle are congruent to the hypotenuse and one leg of another right triangle, then the triangles are congruent.

Step-by-step explanation:

5 0
3 years ago
How do I solve |5-3p|+9=13p+8
anastassius [24]

Answer:

p = -2/5 or 3/8

Step-by-step explanation:

|5 − 3p| + 9 = 13p + 8

|5 − 3p| = 13p − 1

If 5 − 3p is positive:

5 − 3p = 13p − 1

6 = 16p

p = 3/8

If 5 − 3p is negative:

-(5 − 3p) = 13p − 1

-5 + 3p = 13p − 1

-4 = 10p

p = -2/5

Alternatively, we can square both sides of the equation:

(5 − 3p)² = (13p − 1)²

25 − 30p + 9p² = 169p² − 26p + 1

0 = 160p² + 4p − 24

0 = 40p² + p − 6

0 = (5p + 2) (8p − 3)

p = -2/5 or 3/8

8 0
3 years ago
Which number is not equivalent to others? 0.5 1/5 5/25 20%
CaHeK987 [17]

Answer: .5

Step-by-step explanation:

1/5 = 20%

5/25=20%

.5= 50%

Hope this helps!

6 0
3 years ago
Faye can sort 150 recyclable items in 3 minutes.How many recyclable items can Faye sort in 4 minutes?
Leya [2.2K]

Answer:

200

Step-by-step explanation:

150/3=50 so she sorts 50 items per minute, then 50*4=200


5 0
3 years ago
Read 2 more answers
If you correctly answer 12 out of 18 questions on a quiz, what is your percentage correct? (Enter your answer as a fraction.
Degger [83]
So, you divide 18 by 12 to get 1.5
but since you want the fraction, just reduce 18/12 as much as possible to get 3/2
7 0
3 years ago
Read 2 more answers
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