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saul85 [17]
3 years ago
10

-3(2r-4) > 2(5-3r) Whats the inequality?

Mathematics
2 answers:
Ksenya-84 [330]3 years ago
7 0
-6r=12>10-6r
+6r           +6r
12>10



VLD [36.1K]3 years ago
4 0
-3 (2r - 4) > 2 (5 - 3r)
-6r + 12 > 10 - 6r
12 > 10

There is no solution
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Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second. Hank is driving a boat at 26.4 mph and is d
VLD [36.1K]

Answer: After 16 seconds the boats will be traveling the same speed.

Step-by-step explanation:

Given: Mike is driving a boat at 12 mph and is increasing his speed by 0.2 mph each second.

Mike's spewed after x seconds = 12 + 0.2x

Hank is driving a boat at 26.4 mph and is decreasing his speed by 0.7 mph each second.

Hank's speed after x seconds = 26.4 -0.7 x

As per given,

12 + 0.2x =  26.4 -0.7 x

Subtract 12 from both sides

0.2x= 26.4-12-0.7x

⇒ 0.2x= 14.4-0.7x

Add 0.7xn on both sides , we get

0.2x+0.7x= 14.4

⇒ 0.9x = 14.4

Multiply 10 on both sides, we get

9x=144

Divide both sides by 9 , we get x= 16

Hence, after 16 seconds the boats will be traveling the same speed.

7 0
3 years ago
In the coming year, a vehicle manufacturer has decided to manufacture 150 vehicles per day. The function v = 150d represents the
mina [271]

Given:

v = 150d

v represents company's production for the coming year

d represents the number of days

150 is the daily production

The rate of change of the function representing the number of vehicles manufactured for the coming year is CONSTANT (150) , and its graph is a STRAIGHT LINE . So, the function is a LINEAR function.

I hope this helps!

4 0
3 years ago
Read 2 more answers
Given f(x) = x^2- 3x + 5, what is f(-2)?
vlabodo [156]

Step-by-step explanation:

f(x) = x² - 3x + 5

f(-2) = (-2)² - 3.(-2) + 5

f(-2) = 4 + 6 + 5

f(-2) = 15

7 0
1 year ago
Read 2 more answers
What is 2x+1<8x-2 I dont get it please help
rjkz [21]

Answer: x> 1/2

Step-by-step explanation:

if 2x+1∠ 8x-2

inequality , treat this problem like any other equation

have the unknown(x) in one side, and the values on the other side

2x-8x < -1-2

-6x< -3  we multiply by -1, do not forget if we multiply by -1 the sign will change

6x>3  divide by 3

2x>1

x>1/2

6 0
2 years ago
Please help me with this​
kolbaska11 [484]

Answer:

c

Step-by-step explanation:

but its a negative 2 so but it would be 4 times 2 its 4 times negative 4

3 0
3 years ago
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