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rodikova [14]
3 years ago
14

Can you help me on 8 and 9 plss

Mathematics
1 answer:
Mandarinka [93]3 years ago
6 0
You were right on both
You might be interested in
−6x+14<−28 OR 9x+15≤−12
Serhud [2]

Answer:x>7 or x ≤ -3

Solving the 1st inequality

-6x +14 < -28 --------------- (Collect like terms)

-6x < -28 - 14

-6x < - 42 -------------------- (Divide both sides by -6)

Note: If you decide an inequality expression by a negative value, the inequality sign changes)

-6x/-6 > -42/-6

x > 7

Solving the 2nd inequality

9x + 15 ≤ −12 ----------- (Collect like terms)

9x ≤ −12 - 15

9x ≤ −27 ------------------(Divide both sides by 9)

9

9x/9 ≤ −27/9

x ≤ -3

Bring both results together, we get

x>7 or x ≤ -3

The final result is complex (i.e. can't be combined together).

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
Kelly is making a chart to show her parents that the number of minutes she spoke on her cell phone decreased over the last 5 mon
Arturiano [62]
The choice isB
all the numbers in that choice decrease in numerical order
4 0
3 years ago
5. In the figure, . Solve for . Show your work.
natima [27]

Answer:

15

Step-by-step explanation:

6/10=9/x

cross multiply

6x=9*10

6x=90

x=90/6x=15

3 0
3 years ago
Five less than a number Y is under 20
vodomira [7]

Answer:

Y - 5 < 20

Step-by-step explanation:

5 less than Y translates to:

Y - 5

Under 20 translates to:

< 20

Therefore your answer is

Y - 5 < 20

7 0
3 years ago
Read 2 more answers
****Brainliest to best answer!!***<br> Thank u to everyone who helps!
Dmitrij [34]

Answer:

A

Step-by-step explanation:

When you read the question it says that her average speed from the library to the gym is 15 mph less than her speed from her home to the library. So x - 15 is what describes that situation.

If it is A it cannot be anything else.

B is incorrect. x - 15 is not a time. It is a rate. It can be used to develop the amount of time, but by itself it is still A.

C is incorrect. Her average speed from her house to the library is x

D is incorrect. The distance is given as the same as from her home to the library as  from the library to the gym. Both are 4

7 0
3 years ago
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