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2 years ago

Solve for x: 5/2 - x = 5x - 2x

Mathematics

1 answer:

Dmitrij [34]2 years ago

8 0

Step-by-step explanation:

5/2 - x = 5x - 2x

5/2 - x = 3x

Bringing like terms on one side

5/2 = 3x + x

5/2 = 4x

2.5 = 4x

2.5/4 = x

0.625 = x

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Convert 7 yards 2 feet to inches. 7 yd 2 ft = __ in.

zavuch27 [327]

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3 years ago

Comparing Perimeter and Area

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3 years ago

-3x+4y=7 y=3x-5 I NEED HELP PL Z HELP ME

andrew-mc [135]

$- 3x + 4y = 7 \\ y = 3x - 5$

[Substitute the given value of y into the first equation]

$- 3x + 4 \times (3x - 5) = 7$

[Distribute 4 through the parentheses]

$- 3x + 12x - 20 = 7$

[Collect like terms]

$9x - 20 = 7$

[Move the constant to the right-hand side and change its sign]

$9x = 7 + 20$

[Add the numbers]

$9x = 27$

[Divide both sides of the equation by 9]

$x = 3$

[Substitute the given value of x into the second equation]

$y = 3 \times 3 - 5$

[Multiply the numbers]

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3 years ago

5 5/6 ÷ 3 3/4 - 2/9=

Ray Of Light [21]

Answer:

$\boxed{ \: ans = \frac{5}{9} }$

Step-by-step explanation:

$5 5/6 ÷ 3 3/4 - 2/9 \to \: \frac{35}{6} \div \frac{15}{4} - \frac{2}{9} \\ \frac{35}{6} \times \frac{4}{15} - \frac{2}{9} \\ \frac{7}{9} - \frac{2}{9} \\ \boxed{ \: ans = \frac{5}{9} }$

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3 years ago

Read 2 more answers

Euler's method:

Leokris [45]

Answer:

f(1) ≈ 2.7864

Step-by-step explanation:

You appear to want a couple of iterations of ...

... y[n+1] = y[n] +arcsin(x[n]·y[n]}·(x[n+1] -x[n])

... x[n+1] = x[n] +0.5

... x[0] = 0

... y[0] = 2

Filling in the values, we get

... y[1] = 2 + arcsin(0·2)·0.5 = 2

... y[2] = 2 + arcsin(0.5·2)·0.5 = 2 +(π/2)·0.5 ≈ 2.7864 . . . . corresponds to x=1

7 0

3 years ago