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Zigmanuir [339]
3 years ago
15

Help with question 5,9, and 13. It would be a big help.

Mathematics
1 answer:
solniwko [45]3 years ago
3 0
I am using "x" but alphabet letter does not matter.

#9

Words: x is greater than or equal to -4
Algebra: x ≥ -4
Possible solutions: 0,1,2

#13

Words: x is greater than 0
Algebra: x > 0
Possible solutions: 1,2,3
You might be interested in
Please need help asap!!
sergey [27]
Option 2. Is the answer to ur question..!!
Hope this helps you!!

8 0
3 years ago
D) A shopkeeper bought two radios for Rs 6,000. He sold one of them at a profit of 20℅
Orlov [11]

Answer:

2400 and 3600

Step-by-step explanation:

Radio 1 cost = x

Radio 2 cost= 6000- x

  • x*1.2+(6000-x)*0.9= 6000*1.02
  • 1.2x-0.9x+5400=6120
  • 0.3x= 6120-5400
  • 0.3x= 720
  • x=720/0.3
  • x= 2400
  • 6000- x= 3600
8 0
3 years ago
I need help on 9-11 please
lisabon 2012 [21]
Hello! I would love to help!


9. Basically, it is asking us to multiply 5.2 by 46.

5.2*46=239.2

So, your answer is 239.2 inches.


10. First, let's find out how many blocks she has left to run by subtracting the number of blocks she has already ran by the number of total blocks.

60-18=42

So Susan has 42 blocks left to run. Now, let's divide that by 2 since she can run 2 blocks per minute.

42/2=21

So, the answer is 21 minutes.


11. Let's set up an equation: We know that she will automatically pay $49.95 per month, plus $0.15 per additional minute. We also know her final total for the month was $61.20:

49.95+0.15m=61.20

Let's solve! Subtract both sides by 49.95


49.95+0.15m-49.95=61.20-49.95

Simplify

0.15m=11.25

Now, divide both sides by 0.15


0.15m/0.15=11.25/0.15

M=75

So your answer is 75 additional minutes.


Hope this helped! Comment if you have questions!



5 0
3 years ago
2x^3+5x^2-10 if x=-2
avanturin [10]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's evaluate :

  • {2x}^{3}  + 5x {}^{2} - 10

  • 2( - 2) {}^{ 3}  + 5( - 2) {}^{2}  - 10

  • (2 \times  - 8) + (5 \times 4) - 10

  • - 16 + 20 - 10

  • - 26 + 20

  • - 6

6 0
3 years ago
Read 2 more answers
(X+9)(x-2)-9x-6 equivalen to
Inessa [10]

Answer:

hrheje

Step-by-step explanation:

bdhsjsiskskdkdhdhennsjss

6 0
3 years ago
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