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3 years ago

Which expression is equivalent to 2(2a-5)-(a-3)

Mathematics

1 answer:

nika2105 [10]3 years ago

8 0

Answer:

The equivalent expression should be $3a - 7$ .

Step-by-step explanation:

Solve the expression:

$2(2a-5) - (a -3)$

$4a - 10 - (a -3)$

$4a - 10 - a +3$

$3a -10+3$

$3a -7$

So, the answer is $3a -7$ .

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I need help with this someone very smart in math this is algebra 2

PilotLPTM [1.2K]

Answer:

Step-by-step explanation:

The interest is compounded annually, which means that interest from the previous year earns you even more money next year.

It should be obvious that after one year Alexis will have

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1.0125 * $475 + (1.0125 * $475) * 1.25% =

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Alexis will have $475 * 1.0125^x after x years.

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3 years ago

How much of the original 250 U.S. dollars does Phelan have now?

VARVARA [1.3K]

Answer:

After returning to the United States he converts his money back to US dollars. How much of the original 250 US dollars does Phelan now have? A. 44.70 US dollars.

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3 years ago

The perimeter of a rectangle is 202. The length is 26 more than 4 times the width. Find the dimensions

jek_recluse [69]

Answer:

$P = 2*(26+4y) + 4y$

And if we solve for y we got:

$202= 52 +8y +4y$

$202= 52 +12 y$

And replacing we got:

$150 = 12y$

And we got:

$y = \frac{150}{12}= 12.5$

And for x we got:

$x = 26 +4*12.5 = 76$

So then the length would be 76 and the width we got 12.5

Step-by-step explanation:

For this case we have a rectangle. The perimeter is given by:

$P= 2x+2y$

Where x represent the length and y the the width. We can set the following conditions:

$x = 26 +4y$

And if we replace the conditions we got:

$P = 2*(26+4y) + 4y$

And if we solve for y we got:

$202= 52 +8y +4y$

$202= 52 +12 y$

And replacing we got:

$150 = 12y$

And we got:

$y = \frac{150}{12}= 12.5$

And for x we got:

$x = 26 +4*12.5 = 76$

So then the length would be 76 and the width we got 12.5

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4 years ago

Matt and Mindy each built a rectangular prison that has a length of 5 units, a width of 2 units, and a height of 4 units. Matt u

Furkat [3]

Matt's volume would be 90 cm. cubed
Mindy's volume would be 90 in. cubed

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4 years ago

Read 2 more answers

What is the length of x?

Marat540 [252]

Answer:

The length of 'x' is 4

Step-by-step explanation:

We can use the pythagorean theorem to solve this.

The pythagorean theorem is:

$a ^{2} + b^{2} = {c}^{2}$

$a ^{2} + b^{2} = c^{2} \\ {3}^{2} + {b}^{2} = 5^{2} \\ 9 + {b}^{2} = 25 \\ \frac{ - 9 \: \: \: \: \: \: \: \: = - 9}{b ^{2} = \sqrt{16} } \\ b = 4$

Therefore x = 4

8 0

3 years ago