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3 years ago

How to solve 4122-?=373

2 answers:

5 0

Just looking at this algebra problem, you can infer that the answer is going to be a positive b/c of the neg variable.

1) subtract 4122 from 373
-?= -3749

2) You can't have a neg variable so you multi with neg one

Making your answer pos 3749

MAXImum [283]3 years ago

4 0

Since you don't know 4122 - what will give you 373 you have to:
1) Add 4122 and 373 together
2) that will give you 4495
3) so 4495 is your answer

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Given that the points (-1,6). (3,6), (3, 1), and (-1, 1) are vertices of a rectangle, how much shorter is the width than the len

Ksju [112]

Since the given coordinates are already in order,
then and two consecutive distances between the coordinates will give length and breadth,

Using distance formula,
$\sqrt{ {( - 1 - 3)}^{2} + {(6 - 6)}^{2} } \\ = \sqrt{ { (- 4)}^{2} } \\ = \sqrt{16 } \\ = 4$
(we'll not consider the negative value since distances can't be negative)

Applying this again on 2nd and 3rd coordinates,
$\sqrt{ {(3 - 3)}^{2} + {(6 - 1)}^{2} } \\ = \sqrt{ {5}^{2} } \\ = 5$
(we'll not consider the negative value since distances can't be negative)

Since length's always gotta be greater than bredth
therefore,
the difference will be 5-4= 1 units

Hence width is 1 unit shorter than length.

Note: Unit used is "unit/s"

6 0

4 years ago

there are 150 students in the marching band, and 30 of them play the trumpet. Which number line represents the percent of the sr

shepuryov [24]

Answer:

30 is 20% of 150 i.e. 20% of total 150 students in the marching bank play the trumpet.

Step-by-step explanation:

Draw two number lines:

One number line to represent number of students from 0 to 150. For convenience, divide the number line into intervals of 15 so that 30 is also present on the line.
Second number line to represent percentage and divide it in intervals from 1 to 100.

Now, place the other number line just below the other number line and draw a vertical line as shown the attached figure.

We find out that 30 is at 20% of 150.

It means that 20% (30 of total 150) of total 150 students in the marching band, play trumpet.

3 0

3 years ago

A forest covers 71,000 acres. A survey finds that 0.3% of the forest is old-growth trees. How many acres of old-growth trees

Sauron [17]

Answer:

213 acres

Step-by-step explanation:

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3 years ago

What is the factored form of -7y-y^2=0

Sveta_85 [38]

Factor out like terms
-y(7+y)=0

4 0

3 years ago

What are the answer to this question

IrinaK [193]

Answer: t=-3h+25

Step-by-step explanation:

t=-3h+25

25 degrees is a constant-- it never changes, no matter how many hours goes by. So, you don't multiply a variable with it.

The temperature drops every 3 hours-- this is not constant, since it's dependent on the number of hours that passes. So, use a variable here. Since the temperature drops every three hours, it's -3, and not 3.

7 0

3 years ago

Read 2 more answers