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andriy [413]
2 years ago
13

473 heartbeats in 5 1/2 minutes

Mathematics
1 answer:
BabaBlast [244]2 years ago
8 0

Answer:

86 heartbeats per minute

Step-by-step explanation:

i assume that's your question?

You might be interested in
Your company gives you a cell phone plan which allows you 600 minutes to talk per month. So far this month, you have used 330 mi
Evgen [1.6K]
The answer is C) 10x + 330 ≤ 600. 
We use the ≤ since you are allowed to use the 600th minute.
When we subtract 330 from both sides, it makes a bit more sense
10x ≤ 270
270 is the number of minutes left your plan since you've already used 330, and you have 10 days left in the month. 
3 0
3 years ago
Solve for x<br><br> 3(ax + 9) = -4 (-2 - 10x)
ivolga24 [154]

Answer:

19

-----   =   x

40-3a

Step-by-step explanation:

3(ax + 9) = -4 (-2 - 10x)

Distribute

3ax +27 = 8+40x

Subtract 3ax from each side

3ax-3ax +27 = 8+40x-3ax

27 = = 8+40x-3ax

Subtract 8 from each side

27-8 = 8-8+40x-3ax

19 = 40x-3ax

Factor an x on the right side

19 = x(40-3a)

Divide each side by 40-3a

19/(40-3a) = x(40-3a)/(40-3a)

19

-----   =   x

40-3a

8 0
2 years ago
Help me with this!
andriy [413]
Answer:
Relation #2 and #4

3 0
2 years ago
12+7+5x in the expression above there are three terms- )
mina [271]
( 12 + 7) 5x = 95 so that's your answer
8 0
3 years ago
Read 2 more answers
6x + 3x² – x – x²<br> yeah im bad at math<br> please help !
juin [17]

Answer:

 x • (2x + 5)

Step-by-step explanation:

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  1 more similar replacement(s).

STEP

1

:

Equation at the end of step 1

 ((6x +  3x2) -  x) -  x2

STEP

2

:

STEP

3

:

Pulling out like terms

3.1     Pull out like factors :

  2x2 + 5x  =   x • (2x + 5)

5 0
2 years ago
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