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elixir [45]
3 years ago
7

PLEASE HELP ME ASAP! Is my answer correct?

Mathematics
1 answer:
Alinara [238K]3 years ago
5 0
I think so if its not im srry
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For the linear equation, find the product of 5 and the linear equation, and solve both equations for y. 2x + 7y = 11
tensa zangetsu [6.8K]

Answer:

(a) 10x + 35y = 55

(b) y = \frac{11 - 2x}{7}

Step-by-step explanation:

Given

2x + 7y = 11

Solving (a): Multiply equation by 5.

Multiply both sides by 5

5 * (2x + 7y) = 11*5

Open bracket

5 * 2x + 5 * 7y = 11*5

10x + 35y = 55

(b) Solve for y in 10x + 35y = 55 and 2x + 7y = 11

10x + 35y = 55

Subtract 10x from both sides

35y = 55 - 10x

Divide both sides by 35

\frac{35y}{35} = \frac{55 - 10x}{35}

y = \frac{55 - 10x}{35}

Factorize the numerator:

y = \frac{5(11 - 2x)}{35}

Express 35 as 7 * 5

y = \frac{5(11 - 2x)}{7 * 5}

y = \frac{(11 - 2x)}{7}

y = \frac{11 - 2x}{7}

<em>When </em>2x + 7y = 11<em> is solved, the solution will be: </em>y = \frac{11 - 2x}{7}<em></em>

6 0
3 years ago
Need help please to find value of X. Step by step plz
pashok25 [27]

Answer:

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Determine if the function is odd even or neither calculator
BlackZzzverrR [31]
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3 years ago
Observe the Function Below. f(x) = -8x2 + 7x3 + 2x – 5 Is the function a polynomial?​
marshall27 [118]

Answer:

Step-by-step explanation:

f(x) = -8x² + 7x³ + 2x - 5

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3 years ago
Alexandra is following a recipe that requires 3/4 a cup of water she needs to make 10 servings how many cups of water does Alexa
Licemer1 [7]

Answer:

Amount of water needed for 10 serving = 7.5 cup

Step-by-step explanation:

Given:

1 serving needed water = 3/4 cup

Find:

Amount of water needed for 10 serving

Computation:

Amount of water needed for 10 serving = 10[3/4]

Amount of water needed for 10 serving = 7.5 cup

6 0
3 years ago
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