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Sergeu [11.5K]
3 years ago
6

Help plz

Mathematics
2 answers:
Yuki888 [10]3 years ago
8 0
A) V * (2/5) = I
B) V = I + 42

Substituting A into B
V = (2/5) V + 42
3/5 V = 42
Victor has 70 tools
Ilya has 28 tools

together they have 98 tools


WINSTONCH [101]3 years ago
8 0

Answer:

They have 98 tools together

Step-by-step explanation:

  • We are going to call x the number of tools Ilya has.
  • If Victor has 42 more tools than Ilya, then he has x + 42 tools.
  • But we know that the ratio of Victor's tools to Ilya's is 5:2, so the actual number of tools they have must satisfy this radio.

If we write this last paragraph in an equation and solve for x we would get: \frac{5}{2} =\frac{x+42}{x} \\5x=2(x+42)\\5x=2x+84\\5x-2x=84\\3x=84\\x=28

Therefore Ilya has 28 tools and Victor has x+42 = 28 + 42 = 70 tools. And together they have:

70 + 28 = 98 tools.

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3 0
3 years ago
Find the derivative of the function. Assume a and b are not zero
aivan3 [116]
What are A and B and what is the sigh 
6 0
3 years ago
I need help with this ASAP! It's due today!
xenn [34]

Answer:

Secants – 1. <CBG 2. <AGF 3. <ABD

Tangent – 1. <CDE

Chords – 1. <BD 2. <DF 3. <BG 4. <BF 5. <GD 6. <FG

Angles – 1. 45 2. 75 3. 35 4. 70 5. 75 6. 55 7. 50 8. 25 9. 35 10. 70 11. 50 12. 25 13. 70 14. 50. 15. 60 16. 85 17. 95 18. 85 19. 95

Step-by-step explanation:

3 0
3 years ago
What is the probability of getting 53 Sundays in a Leap year? Please explain with all the steps.
Vaselesa [24]
What is the probability, that a leap year selected at random will contain 53 Sundays? 

Sol.: A leap year has 366 days, therefore 52 weeks i.e. 52 Sunday and 2 days.

The remaining 2 days may be any of the following : 

(i) Sunday and Monday 

(ii) Monday and Tuesday 

(iii) Tuesday and Wednesday 

(iv) Wednesday and Thursday 

(v) Thursday and Friday 

(vi) Friday and Saturday 

(vii) Saturday and Sunday 

For having 53 Sundays in a year, one of the remaining 2 days must be a Sunday. 

n(S) = 7 

n(E) = 2 

<span>P(E) = n(E) / n(S) = 2 / 7


I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!
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8 0
3 years ago
Find the reciprocal of 10 1/2 and its reciprocal is 1
ch4aika [34]
In order to find the reciprocal of 10 1/2 you have to figure out the improper fraction. the improper fraction for that equation would be 21/2. reciprocal means opposite, so when you reciprocal a fraction, you have to put the numerator on the bottom and the denominator on the top. so, 21/2 is 2/21. 2/21 is the reciprocal for 10 1/2 :))
7 0
4 years ago
Read 2 more answers
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