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andrey2020 [161]
2 years ago
7

Evaluate. -1/4(d+1) < 2 Please show how

Mathematics
1 answer:
sergejj [24]2 years ago
4 0

Answer:

-1/4 (d+1)< 2

(d+1) × -1 < 2×4

(d+1) × -1 < 8

-d - 1 < 8

-d < 8 + 1

-d < 9

d > -9

d = { -8, -7, -6....., 0, 1, 2, 3, 4,....}

Step-by-step explanation:

brainliest plz

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How to evaluate and simplify <br>​
Kobotan [32]

Answer:

depends.

Step-by-step explanation:

Evaluating a question depends on the question given. To simplify an answer, you need to find the simplest answer, this process also depends on what question you're given, for example, if you simplify 4/8 (four eighths), it would be 1/2 (one half).

6 0
2 years ago
A motorboat takes 5 hours to travel 150 miles going upstream. The return trip takes 3 hours going downstream. What is the rate o
lys-0071 [83]

Answer:

The rate of the boat in still water is 40 miles per hour

The rate of the current is 10 miles per hour

Step-by-step explanation:

we know that        

The speed or rate is equal to divide the distance by the time

Let

x ----> the rate of the current (miles per hour)          

y ----> the rate of the boat in still water (miles per hour)        

we have that          

<em>going upstream              </em>

y-x=\frac{150}{5}        

y-x=30 ----> equation A            

<em>going downstream                                  </em>

y+x=\frac{150}{3}                            

y+x=50 ----> equation B                            

Solve the system of equations by elimination                            

Adds equation A and equation B                                      

y-x=30\\y+x=50\\------\\y+y=30+50\\2y=80\\y=40                    

<em>Find the value of x                                </em>

y+x=50                

40+x=50            

x=10          

therefore          

The rate of the boat in still water is 40 miles per hour      

The rate of the current is 10 miles per hour      

8 0
2 years ago
Please help :) !!!!!!!!!!!
Mrrafil [7]
8. 70.5* 10. 30* 12. 5.1*
5 0
2 years ago
I Need help with 10 please
Deffense [45]
Hey so the answer would be B
7 0
3 years ago
Read 2 more answers
PLEASE HELP MEEEEEE PLEASEEEEEEEE!!!!!! IM TIMED
PIT_PIT [208]
D
It makes sense. At most means equal or less than. The 10 per hour has a variable.
8 0
2 years ago
Read 2 more answers
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