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defon
3 years ago
6

A neighborhood was given a vacant lot in the shape of a rectangle on which to build a park. The neighborhood is considering how

to split up the area. Which statements about the formulas for finding areas are true? Check all that apply. The triangle and trapezoid area formulas have One-half in them. The parallelogram and rectangle formulas are both the same. In the parallelogram formula, the bases are added. In the trapezoid formula, the bases are added. In the triangle formula, the sides are added, then multiplied by One-half.
Mathematics
2 answers:
Nadya [2.5K]3 years ago
8 0

Answer:

The FIRST choice, the SECOND choice, and the FOURTH choice

Step-by-step explanation:

Montano1993 [528]3 years ago
4 0

Answer:

<em>The triangle and trapezoid area formulas have One-half in them.</em>

<em>In the trapezoid formula, the bases are added.</em>

Step-by-step explanation:

<em>Topic: Plane Shapes</em>

Basically, the requirement of the question is to compare area of shapes. The shapes are

  1. Trapezoid
  2. Triangle
  3. Parallelogram
  4. Rectangle

The Area of a Trapezoid is (\frac{a + b}{2} )h where a and b are the bases of the trapezoid and h is the height

The Area of a Triangle is \frac{bh}{2} where b and h are the base and the height of the triangle respectively

The Area of a Parallelogram is b * h where b and h are the bases and the height of the parallelogram

The Area of a Rectangle is l * b where l and b are the length and the breadth of the triangle respectively

Checking option a through e

A. The triangle and trapezoid area formulas have One-half in them.

True; Area of a Triangle is \frac{bh}{2} while Area of a Trapezoid is (\frac{a + b}{2} )h

B. The parallelogram and rectangle formulas are both the same.

False; Area of a Parallelogram is b * h while Area of a Rectangle is l * b

C. In the parallelogram formula, the bases are added.

False; The basis are not added

Area of a Parallelogram is b * h

D. In the trapezoid formula, the bases are added.

True; Area of a Trapezoid is (\frac{a + b}{2} )h

E. In the triangle formula, the sides are added, then multiplied by One-half.

False; Area of a Triangle is \frac{bh}{2}

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Answer

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explanation

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8 0
1 year ago
In the equation 0.75s-5/8 = 44, how do you combine the like terms?
garri49 [273]

Answer:

Step-by-step explanation:

In the given equation, the "like terms" are the constants 5/8 and 44.

It simplifies the math if we eliminate the fractions first.  Note that 0.75 = 6/8, so now we have:

8(6/8)s - 8(5/8) = 44).

Multiplying all three terms by 8 (above) yields

8(6s) - 8(5) = 8(44), or

48s              = 8(44 + 5), or 48s = 8(49)

Dividing both sides by 48 yields s:   s = 8(49/48)

Review "like terms:"  These are terms that have at least one characteristic in common.  5/8 and 44 are like terms because they are only constants (no variables are present).  We must add 5/8 and 44.   0.75s does not have a "like term" in the given equation.

6 0
3 years ago
A wireless company offers two cell phone plans. For the month of September, Plan A charges $35 plus $0.25 per minute for calls.
valentina_108 [34]

Answer:

60 minutes

Step-by-step explanation:

Let the number of minutes be represented as x

For Plan A

Plan A charges $35 plus $0.25 per minute for calls.

$35 + $0.25 × x

35 + 0.25x

For Plan B

Plan B charges $20 plus $0.50 per minute for calls.

$20 + $0.50 × x

20 + 0.50x

For what number of minutes do both plans cost the same amount?

This is calculated by equating Plan A to Plan B

Plan A = Plan B

35 + 0.25x = 20 + 0.50x

Collect like terms

35 - 20 = 0.50x - 0.25x

15 = 0.25x

x = 15/0.25

x = 60 minutes.

Hence, the number of minutes that both plans cost the same amount is 60 minutes

7 0
2 years ago
Write an equation for the line that passes through the points (-4,8) and (-4,-3)
erma4kov [3.2K]

Answer:

(-3-8)/(-4+4)= -11/0= no slope and undefined

Step-by-step explanation:

8 0
3 years ago
Evaluate 150 + 3p for p = 30
LiRa [457]

150+3p

p=30

150+3(30)

150+90

240

When p=30 in 150+3p, the final value is 240.

7 0
3 years ago
Read 2 more answers
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