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Vaselesa [24]
3 years ago
14

How long does it take a swimmer to cover 20 m in the pool if the swimmer’s speed is 2.5 m/s? helpppp asap i need it fast ill giv

e bu points need it fast
Mathematics
1 answer:
Mamont248 [21]3 years ago
5 0

Answer: 8 seconds

Step-by-step explanation:

d = rt

the distance is 20

the rate is 2.5

20 = 2.5t

t = 20/2.5

t = 8

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Radda [10]

Answer:

The correct answer is Redbirds

P = 4/5 = 0.8

4 0
3 years ago
Given: f(x)=x^(2)-3 and g(x)=x+1 the composite function g*f is
Ivenika [448]

Answer:

<h2>x³ + x² - 3x - 3</h2>

Step-by-step explanation:

I'm assuming g*f means g times f,  so you want to multiply the two functions together.  

(x² - 3)(x + 1)                 Since the product is 2 binomials, use FOIL

                      =  x²(x) + x²(1) - 3(x) - 3(1)

which simplifies to

<h2>x³ + x² - 3x - 3</h2>
8 0
3 years ago
Read 2 more answers
Consider the triangle.<br> 45°<br> 80°<br> Find the measure of the unknown third angle.
Elina [12.6K]

Answer:

55 \degree

Step-by-step explanation:

Let the unknown angle be x

As the interior angles in a triangle are added up to 180°

x + 45 + 80 = 180 \\ x + 125 = 180 \\ x = 180 - 125 \\ x = 55 \degree

Hope this helps you.

Let me know if you have any other questions:-)

6 0
3 years ago
Read 2 more answers
Which of the following is the smallest set? Becareful of spelling. Real numbers, Rational Numbers, Irrational numbers or Natural
sattari [20]
Real because it’s 12345678910
6 0
3 years ago
The product of 9 and the quantity 5 more than a number t is less than 6
Elina [12.6K]

Answer:

9(t+5)<6

t<-13/3

Step-by-step explanation:

The expression is 9(t+5)<6

Distributing the 9, we get

9t+45<6

9t<-39

t<-13/3

6 0
3 years ago
Read 2 more answers
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