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Dmitriy789 [7]
3 years ago
14

Halp me pleeeeeeeeeeezzzzzzz

Mathematics
2 answers:
Ahat [919]3 years ago
8 0
The answer is c the 3rd one to be specific.
IgorLugansk [536]3 years ago
6 0
The answer is C the third one to be specific
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Which expression is equal to (f+g)(x)?
sineoko [7]

Answer:

x^2 +x+2

Step-by-step explanation:

f(x) = x^2+3

g(x) = x-1

f(x)+ g(x) = (f+g) (x)

x^2+3+ x-1

x^2 +x+2

7 0
3 years ago
Read 2 more answers
Fran swims at a speed of 2.8 mph in still water. The Lazy River flows at a speed of 0.6 mph. How long will it take Fran to swim
kati45 [8]

Answer:

1. Upstream Time:  1 hour (or 60 minutes)

2. Downstream Time: 0.65 hour (or 39 minutes)

Step-by-step explanation:

The time it will take goes by the distance formula:

D=RT, where D is the distance, R is the rate (speed), and T is the time.

For Upstream, you are going <em>against</em> the current, so your still water speed slows down. So upstream rate is still water rate - stream rate. So 2.8 - 0.6 = 2.2mph

Time it will take him to swim 2.2 miles, is:

D=RT\\2.2=2.2(T)\\T=\frac{2.2}{2.2}=1

So, 1 hour

For Downstream, you are going <em>with</em> the current, so your still water speed increases. So downstream rate is still water rate + stream rate. So 2.8 + 0.6 = 3.4 mph

Time it will take him to swim 2.2 miles, is:

D=RT\\2.2=3.4(T)\\T=\frac{2.2}{3.4}=0.65

So, 0.65 hours (or 0.65*60=39 minutes)

5 0
3 years ago
If x is located at -2 and y is located at -5, find Z such that XY is divided into a 2:1 ratio
DIA [1.3K]

Answer:

<u>z = -4</u>

Step-by-step explanation:

<u>Given</u> :

  • x = -2
  • y = -5
  • z divides xy in the ratio 2 : 1 (m : n)

<u>Solving</u> :

  • Take the section formula
  • z = [my + nx] / [m + n]
  • z = [2 x -5 + 1 x -2] / [2 + 1]
  • z = -10 - 2 / 3
  • z = -12 / 3
  • <u>z = -4 </u>
5 0
2 years ago
4(4x+1)= 3x-4(6-x) + 8
Schach [20]

Answer:

x=-20/9

Step-by-step explanation:

4(4x+1)=3x-4(6-x) +8

16x+4=3x-24+4x+8

16x-3x-4x=8-4-24

9x=-20

x=-20/9

7 0
3 years ago
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Estimate the circumference of a circle that has a radius of 11 m.
geniusboy [140]
It is pi x 11(x2 to get diameter) so it would be 69.08...
6 0
3 years ago
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