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3 years ago

Need to know the answer

Mathematics

2 answers:

Rzqust [24]3 years ago

8 0

Here you go I hope this helps.

zmey [24]3 years ago

4 0

Answer:

x = 3

Step-by-step explanation:

use distribution to multiply everything in the parenthesis by -5.

(-5x - 40) = -55

add 40 to both sides to isolate the variable which in this case is x

-5x = -15

simplify

x = 3

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Brut [27]

Answer:

14 and 21

Step-by-step explanation:

$You should solve the following linear equations : \\\frac{x}{y} = \frac{3}{2}\\ x+y=35$

3 0

3 years ago

Hi, can somoene please check why my solution and explain why I get the wrong answer.

trapecia [35]

Answer:

$a_n=(1-n)2^n+3^n$

Step-by-step explanation:

You are correct down to the part where you add the partial results:

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2 years ago

Please answer this correctly which is the correct options

Brums [2.3K]

The first, second, third, and fourth options, are all equal to 32, including the top option. So all of the are correct.

8 0

3 years ago

Which expression is equivalent to (xy2x−3y)4?

lianna [129]

Answer:

4x2y2−12y

Step-by-step explanation:

Write the problem as a mathematical expression. ( x y 2 x − 3 y ) ⋅ 4 Multiply x by x by adding the exponents. ( x 2 y 2 − 3 y ) ⋅ 4 Simplify by multiplying through. 4 ⋅ ( x 2 y 2 ) − 12 y Remove parentheses. 4 x 2 y 2 − 12 y

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1 year ago

The mean of Greg’s journey times to work on 3 days was 28 minutes.

EastWind [94]

The mean is found by adding the time it takes Greg each day and then diving by the number of days: 27+25+32=84.
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7 0

2 years ago

Read 2 more answers