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2 years ago

R−5r−6s+8s−15 what is the answer for this equation

Mathematics

1 answer:

weeeeeb [17]2 years ago

4 0

Step-by-step explanation:

r-5r-6s+8s-15

-4r+2s-15

= 2s-4r-15

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while swimming a 2km race, Adam changes from breaststroke to butterfly every 200m. How many times does he switch strokes during

aleksley [76]

in the first half he would have swam 1 km. there are 1000m in a km so 1000/200=5 so he swam the first 200 fly, then a 200 breast, then a 200 fly again, then another 200 breast the finish the first 1 km with a 200 fly. so we switched strokes 4 times.

PS i wouldn't recommend doing a 2 km swim fly and breast

8 0

3 years ago

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Let f(x)=x2+2x+3 . What is the average rate of change for the quadratic function from x=−2 to x = 5? Enter your answer in the bo

Crazy boy [7]

Answer:

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3 years ago

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What value of n makes the equation n/3 - 2 = 4 true?<br> Show your work.

patriot [66]

Answer:

Step-by-step explanation:

n/3 - 2 = 4 Add 2 to both sides

n/3 - 2 + 2 = 4+2 Combine

n/3 = 6 Multiply both sides by 3

3*n/3 = 6 * 3

n = 18

7 0

2 years ago

100% ☺

raketka [301]

Answer :

I believe it’s x = 8 and y = 9

Explanation: hope this helps (got this from somebody else on here)

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2 years ago

10xy(4xy^3-7xy+9y^2)

Thepotemich [5.8K]

Answer:

$40x^{2} y^{4} -70x^{2} y^{2} +90xy^{3}$

Step-by-step explanation:

$10xy(4xy^{3} -7xy+9y^2)$

1. 10xy · 4xy^3 = $40x^2y^4$

2. 10xy · -7xy = $-70x^{2} y^{2}$

3. 10xy · 9y^2 = $90xy^3$

Final step: add up all of those values together to make an equation!

Answer: $40x^2y^4+$ $-70x^2y^2+$ $90xy^3$

Final Answer: $40x^2y^4-70x^2y^2+90xy^3$

3 0

3 years ago