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jek_recluse [69]
3 years ago
6

PLEASE HELP FAST!!!! Fill in the blanks Solve using the elimination method

Mathematics
1 answer:
Rainbow [258]3 years ago
6 0

Answer: Look below

Step-by-step explanation:

1(10x-6y)=-16

3(5x+2y)=66

10x-6y=-16

15x+6y=66

-25x=50

x=-2

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A food scientist determines that a new type of orange has 15.38 mg of vitamin C/oz. How much vitamin C is in an orange that weig
posledela

Answer:

(Sorry this is a late response) 15.38=101.508 or 101.5

Step-by-step explanation:

You would divide 3 and 5 or 5 and 3 because 3 and 5 equals the fraction 3/5. The dividend is 3 and the 5 is the divisor. The quotient of this is 0.6. So the next step would be to add the 6 from 6 3/5 so this is the whole number so add it in front of 0.6 so it would turn into 6.6. The last step is to multiply the weight of the orange by the mg of vitamin C/oz that is 15.38 so multiply 6.6 by 15.38 this would equal 101.508 so you would just round this to a better answer and that would make it 101.5.

Tell me if I am wrong.. thanks

4 0
2 years ago
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You gave away 2⁄5 of your stamp collection. How many fifteenths is that?
erma4kov [3.2K]
The answer is 6/15. Hope this helped!
8 0
3 years ago
Solve 36x^2+23=60x using quadratic formula<br>​
mars1129 [50]

Answer:

x₁ = 0.6

x₂ = 1.07

Step-by-step explanation:

36x² + 23 = 60x

36x² - 60x + 23 = 0

x = {-(-60)±√((-60²)-(4*36*23))} / (2*36)

x = {60±√(3600-3312)} / 72

x = {60±√288) / 72

x = {60±16.97) / 72

x₁ = {60-16.97} / 72 = 43.03/72 = 0.6   aprox.

x₂ = {60+16.97} / 72 = 76.97/72 = 1.07    aprox.

verify:

x₁

36*0.6² + 23 = 60*0.6

36*0.36 + 23 = 36

13 + 23 = 36

x₂

36*1.07² + 23 = 60*1.07

36*1.145 + 23 = 64.2

41.2 + 23 = 64.2

7 0
3 years ago
What is the expanded notation of 3,264?
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(3000)+(200)+(60)+(4)
5 0
3 years ago
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HELP<br><br><br> What is the measure of ∠UVS?A) 39°B) 78°C) 102°D) 141°
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Answer:

39°

Step-by-step explanation:

i just took the test

6 0
2 years ago
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