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finlep [7]
3 years ago
5

12y - 15x + 6 please hurry

Mathematics
1 answer:
ddd [48]3 years ago
5 0

Answer: negative 8 or -8

Step-by-step explanation:

would include explanation but it would take a while hope it helped and may i have brainliest please?!

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A teenager’s heart pumps an average of 7200 L of blood every 24 hours. What is the rate of change of volume of blood?
love history [14]

Answer:

300L per hour

Step-by-step explanation:

The rate of change of volume of blood pumped by the teenager's heart expresses the volume of blood pumped with respect to hour.

Rate of change of volume of blood = \frac{volume of blood}{time}

                           = \frac{7200L}{24}

                           = 300L/hour

The rate of change of volume of blood by the teenager's heart is 300 litres per hour. This implies that his/ her heart pumps 300 litres of blood every hour.

7 0
3 years ago
Inventor A had 630 inventions, 600% more than the number of inventions inventor B had. How many inventions did B have?
skelet666 [1.2K]

Answer:

105 inventions

Step-by-step explanation:

Find how many inventions Inventor B had by dividing 630 by 6:

630/6

= 105

So, Inventor B had 105 inventions

6 0
3 years ago
Can someone help me with this? 8th grade math
tatyana61 [14]

Answer:

ooohh yeah i kinda suck at geometry lol nearly failed sophomore year last year haha

Step-by-step explanation:

6 0
3 years ago
For a spelling bee, each student was given 537 words to stydy. There are 45 students in the spelling bee. How many words will be
lozanna [386]

Answer: 24165, I think

Step-by-step explanation:

I just multiply the kids that were there by the words they were each given

6 0
2 years ago
Read 2 more answers
Iris made bracelets with string and beads. She used x centimeters of string to make 7 bracelets. She used 17.8 centimeters of st
iren [92.7K]

Answer:

124.6 centimeters

Step-by-step explanation:

7(17.8) = x

Simplify:

x = 124.6

3 0
2 years ago
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