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Mrac [35]
3 years ago
13

Which algebraic expression is equivalent to the expression below?

Mathematics
1 answer:
Dafna11 [192]3 years ago
8 0

Answer:

D. 2x+1

Step-by-step explanation:

Given expression:

(2x+12)-11

Simplifying the expression

Using Associative property:

2x+(12-11)

2x+(1)

2x+1

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The small submarine is at –1,320 feet in relation to sea level. The submarine needs to be 180 feet below sea level in 60 minutes
emmainna [20.7K]

Answer:

The first submarine needs to travel at a rate of [-180 – (-1,320)] ÷ 60 = 19 feet per minute.

The second submarine needs to travel at a rate of [-180 – (-1,440)] ÷ 60 = 21 feet per minute.

21 – 19 = 2, so the second submarine must travel 2 feet per minute faster than the first sub.

3 0
3 years ago
A rectangle has a length of 72 cm and a width of 56 cm. A second rectangle has the same area as this one, but its width is 21 cm
Anastaziya [24]

Answer:

192

Step-by-step explanation:

Well if the first rectangle is 72 and 56, then we can find the area of that by multiplying length times width which would be 4032, so that would be the area of the second one. then we divide 4032 by 21, which is 192.

P.S, This is my first question answered, so if im wrong please let me know, thank you!

3 0
3 years ago
Which is equivalent to “12 chairs for every 3 tables”?
choli [55]

Answer:D. -4


Step-by-step explanation:

If the relationship is proportional, what is the missing value from the table?

X Y

-3 -1

-12 ?

-30 -10



7 0
3 years ago
Read 2 more answers
Write the ratio of 885 to 45 in lowest terms
attashe74 [19]
19 or 19/1

Hope this helped!
8 0
3 years ago
Please help me with this math problem
astraxan [27]

Answer:

E.  y = 2/3x

Step-by-step explanation:

You need to make an equation in slope-intercept form.  

First, you need to find the slope.  You can do this by taking two points and dividing the difference of the y's by the difference of the x's.  I will use the first two points, but you can pick whichever points you want and still get the right answer.  Also, the values in the left column will be x's, and the values in the right column will be y's.

8 - 2 = 6

12 - 3 = 9

6/9 = 2/3

The slope is 2/3.  The only equation with this value is E.

6 0
3 years ago
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