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2 years ago

(2x – y) + (2x + y) ???//

Mathematics

2 answers:

padilas [110]2 years ago

8 0

Answer: Hi!! ^^

Your Answer Is... 4x

Step-by-step explanation:

Simplify the expression.

Hopefully this helps <em>you !</em>

- Matthew :)

Svetach [21]2 years ago

4 0

Answer:

4x is the answer

Step-by-step explanation:

$2x - y + 2x + y \\ 4x$

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A rectangular block of metal measures 5 cm by 10 cm by 2 cm and has a mass of 700g. What is the density of the block of metal?

masha68 [24]

Volume = 5 cm * 10 cm * 2 cm
volume = 100 cm³
massa = 700 g
Densidade = massa / volume
D = 700/100
D = 7 g / cm³

5 0

3 years ago

Which number produces an irrational number when added to 0.4

gtnhenbr [62]

You didn't provide answer choices, but since 0.4=4/10 is rational, adding any irrational value to it will produce and irrational sum.

An irrational number is any number which can not be expressed as a fraction of two integers.

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3 years ago

Pls solve. Showing your work is suggested.

allsm [11]

Answer:

Part 3) Miguel scored 29 points and Alonzo scored 25 points

Part 4) Morgan's age is 14 1/2 years and Mr Santos' age is 29 1/2 years

Step-by-step explanation:

Part 3) Let

x ----> the number of points that Miguel scored

y ---> the number of points that Alonzo scored

we know that

$x+y=54$ ----> equation A

$x=y+4$ ----> equation B

substitute equation B in equation A and solve for y

$(y+4)+y=54\\2y=54-4\\2y=50\\y=25$

Find the value of x

$x=25+4=29$

the solution is the point (29,25)

That means ----> Miguel scored 29 points and Alonzo scored 25 points

Part 4) Let

x ----> Morgan's age

y ---> Mr Santos' age

we know that

$x+y=44$ -----> equation A

$x=y-15$ ----> equation B

substitute equation B in equation A and solve for y

$(y-15)+y=44\\2y=44+15\\2y=59\\y=29.5$

Find the value of x

$x=29.5-15=14.5$

the solution is the point (14.5,29.5)

That means ----> Morgan's age is 14 1/2 years and Mr Santos' age is 29 1/2 years

3 0

3 years ago

Can someone answer these questions for me please

tino4ka555 [31]

I'll give you the equation with the problem's plugged in, but not the answer.

Formula: Volume = Base x Height

1. B= 5 in; H= 6 in; 5 x 6 = ?
2. B= 54 m; H= 5 m; 54 x 5 = ?

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3 years ago

Lisa starts a different business account that pays simple interest every 1 point

nadezda [96]

Answer:

Interest rate=9%

Step-by-step explanation:

Interest rate=$3150×100%/$35000×1

Rate=315000/35000=9%

3 0

2 years ago