3 years ago

PLEASE HELP ME PLEASE

Mathematics

1 answer:

quester [9]3 years ago

4 0

im almost sure its the First one

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7x + 3y = m

attashe74 [19]

7x + 3y = m

3y = m - 7x

y = (m - 7x) / 3

4( r + 3 ) = t

r + 3 = t / 4

r = ( t - 3 )/ 4

2x + b = w

2x = w- b

x = ( w - b ) / 2

x (1 + y) = 2

x = 2 / 1 +y

4 0

3 years ago

Read 2 more answers

Please help mee pleaseee

nalin [4]

Answer:

The exact answer in terms of radicals is $x = 5*\sqrt[3]{25}$

The approximate answer is $x \approx 14.62009$ (accurate to 5 decimal places)

===============================================

Work Shown:

Let $y = \sqrt[5]{x^3}$

So the equation reduces to -7 = 8-3y

Let's solve for y

-7 = 8-3y

8-3y = -7

-3y = -7-8 ... subtract 8 from both sides

-3y = -15

y = -15/(-3) ... divide both sides by -3

y = 5

-----------

Since $y = \sqrt[5]{x^3}$ and y = 5, this means we can equate the two expressions and solve for x

$y = 5$

$\sqrt[5]{x^3} = 5$

$x^3 = 5^5$ Raise both sides to the 5th power

$x^3 = 3125$

$x = \sqrt[3]{3125}$ Apply cube root to both sides

$x = \sqrt[3]{125*25}$

$x = \sqrt[3]{125}*\sqrt[3]{25}$

$x = \sqrt[3]{5^3}*\sqrt[3]{25}$

$x = 5*\sqrt[3]{25}$

$x \approx 14.62009$

4 0

3 years ago

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What is the product (-2a^2+s)(5a^2-6s)

Mariulka [41]

The answer that you should get 35as^2-30s

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Jane drives at a constant rate of 45 miles per hour for 4 hours. How far will she have traveled in that time?

bearhunter [10]

180 miles per hour. 45*4 to get the answer.<span />

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3 years ago

If there are 25 animals in total, how many dogs are at the kennel?

8_murik_8 [283]

Answer:

4 is always correct

Step-by-step explanation:

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2 years ago