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Anastaziya [24]
3 years ago
13

Find an equation of variation where y varies directly as x and y = 75 when x = 5, find y when x is 1.

Mathematics
1 answer:
Dafna11 [192]3 years ago
7 0
<span>y=375/x, so when x=1, y=375</span>
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Find the area of the circle.<br> Use 3.14 for it.<br> O<br> d = 10 cm<br> A = [?] cm2<br> A=Tr2
vazorg [7]

Answer:

i wish i could help. im so bad at math

Step-by-step explanation: good  luck

3 0
2 years ago
Simplfy (x)^2(2xy^3)^5 plz help
Deffense [45]

Answer: 32x^7y^15

Step-by-step explanation:

(x)^2(2xy^3)^5

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= 32x^7y^15

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andrew11 [14]

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nirvana33 [79]

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4 0
3 years ago
Bryce tried to solve an equation step by step. \qquad\begin{aligned} \dfrac83&amp;=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&amp;
sesenic [268]

Answer:

Bryce is wrong in step 1 because he did not distribute 3 over 5/3

Explanation

Given the steps taken by bryce as shown, we are to find where he made an error

\qquad\begin{aligned} \dfrac83&=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&=3c+\dfrac53&\green{\text{Step } 1}\\\\ \\ 1&=3c&\blue{\text{Step } 2}\\\\ \\ \dfrac13&=c&\purple{\text{Step } 3}\\\\ \end{aligned}

Given the expression;

\dfrac83&=3\left(c+\dfrac53\right)\\\\ \\

Step 1:Expand the bracket using the distributive law;

8/3 = 3c + 3(5/3)

<em>Simplify</em>

8/3 = 3c + 15/3

Step 2: Subtract 15/3 from both sides

8/3 - 15/3 = 3c+15/3-15/3

(8-15)/3 = 3c

-7/3 = 3c

Step 3: Multiply both sides by 1/3

-7/3 * 1/3 = 3c * 1/3

-7/9 = c

Swap

c = -7/9

From the calculation, we can see that Bryce is wrong in step 1 because he did not distribute 3 over 5/3 thereby making his solution incorrect

3 0
2 years ago
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