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german
3 years ago
8

A rectangle poster has a Leigh of 24 inches and its width is 12 inches what is the perimeter of the poster.

Mathematics
1 answer:
juin [17]3 years ago
3 0
Answer:
32
square inches
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Choose the inequality that describes the following problem.
Yuki888 [10]

Answer:

x\geq 125

Step-by-step explanation:

  • So first we have to find out the total number of points possible
  • So he took 5 tests each with a max score of 100 points, so that's 500 points total
  • The final test will be 150 points, so his whole grade is out of 500+150= 650 points
  • He has already scored 460 of those 650 points
  • Now how much must he get in the least, on the last test in order to make 90%?
  • Now we need to find what 90% of 650 points is
  • so \frac{90}{100} *650=\frac{90*650}{100} =585points
  • Then we ask ourselves, how much must we add to 460, to get 585 points? 585-460= 125 points
  • So Mark needs to get either 125 points or more on the next test to make 90% or more
  • Now let's say the letter x means whatever grade number Mark gets on his next test
  • This number must not be less than 125, so it must be either equal to or greater than 125 points
  • So x\geq 125
3 0
2 years ago
Help plz !!!! I don’t know it
3241004551 [841]

Answer:

D

Step-by-step explanation:

an = 7 - 3(n - 1)

    = 7 -3n - 1 *(-3)

    = 7 - 3n + 3              {Combine like terms}

    = 7 + 3 - 3n

    = 10 - 3n

   = -3n + 10

6 0
3 years ago
Read 2 more answers
the scale of a scientific drawing is 1 cm = 2in. If the actual length of an object in the drawing was 4.5 inches, how long would
Citrus2011 [14]

Answer:  2.25

Step-by-step explanation:

1 cm/ 2 in = x/ 4.5 in

2x = 4.5 in

4.5/2 = x

2.25 = x

6 0
3 years ago
Which system of linear inequalities is represented by the graph x+5y>5 y<2x+4
grandymaker [24]

Answer:

The lines represent the inequalities .

Further explanation:

The linear equation with slope m and intercept c is given as follows.

The formula for slope of line with points   and   can be expressed as,

Given:

The inequalities are as follows.

a. x – 5y < –5 and y < –2x – 4

b. x + 5y > 5 and y < 2x + 4

c. x – 5y < –5 and y < –2x + 4

d. x + 5y > 5 and y < 2x – 4

Step-by-step explanation:

The blue line intersects y-axis at , therefore the y-intercept is 4.

The blue line intersect the points that are  and .

The slope of the line can be obtained as follows.

The slope of the line is m = 2.

Now check whether the inequality included origin or not.

Substitute  in equation y=x+1.

0 is not greater than 1 which means that the inequality doesn’t include origin.

Therefore, the blue line is y < 2x + 4.

The orange line intersects y-axis at , therefore the y-intercept is 1.

The orange line intersect the points that are  and  .

The slope of the line can be obtained as follows.

The slope of the line is m =  .

Now check whether the inequality included origin or not.

Substitute  in equation y > .

0 is not greater than 1 which means that the inequality doesn’t include origin.

Therefore, the orange line is y > .

Solve the equation y > .

The equation of orange line is 5y + x > 5.

Option (a) is not correct as it satisfy the inequalities of the graph.

Option (b) is correct as it satisfy the inequalities of the graph.

Option (c) is not correct as it satisfy the inequalities of the graph.

Option (d) is is not correct as it satisfy the inequalities of the graph.

Hence,  is correct.

7 0
3 years ago
Read 2 more answers
Plzz help its so confusing
JulsSmile [24]

espero que sea de tu agrado la tarea que te estoy enviando

soy de peru

brillith2022

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6 0
2 years ago
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