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LiRa [457]
3 years ago
7

Which statement is true? 1. Parallelism are frameworks 2. A square is always a rhombus 3.A rhombus is always a square 4. A recta

ngle is a trapezoid
Mathematics
1 answer:
sineoko [7]3 years ago
3 0

Answer:

2

Step-by-step explanation:

A square is a quadrilateral with four equal sides.

Characteristics of a square includes:

• The diagonals bisect each other at 90°.

• Opposite sides parallel and of equal length

• The four angles of a square are equal.

A rhombus is a four sides quadrilateral with the four sides equal in length

The area of a rhombus =  

where p and q are the two diagonals  

Volume of a pyramid = 1/3 x ( length base x height)

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On a number line, the directed line segment from Q to S has endpoints Q at –8 and S at 12. Point R partitions the directed line
tigry1 [53]

Answer:

The point R located at 8.

Step-by-step explanation:

The directed line segment from Q to S has endpoints Q at –8 and S at 12.

Point R partitions the directed line segment from Q to S in a 4:1 ratio.

The given formula is  

\dfrac{m}{m+n}(x_2-x_1)+x_1

Substitute m=4,n=1,x_1=-8,x_2=12 in the above formula.

R=\dfrac{4}{4+1}(12-(-8))+(-8)

R=\dfrac{4}{5}(20)-8

R=16-8

R=8

Therefore, the point R located at 8.

7 0
4 years ago
Read 2 more answers
The reservoir dropped 6 feet during a long dry spell and then rose 4, feet following
vitfil [10]

Answer:

Its c

Step-by-step explanation:

6 0
3 years ago
The square has a perimeter of 160 cm if the square is dilated with a scale factor of 0.9 what is the length of each side of the
Citrus2011 [14]

Answer: 36 cm

Step-by-step explanation:

Given : The square has a perimeter =160 cm.

Perimeter of square = 4 (side)

Therefore , the side of square = (Perimeter)÷ 4

= 160 ÷ 4 = 40 cm

The new length of side after dilation = (Scale factor) x (Length of original figure)

For scale factor = 0.9

The new length of each side of the dilated square = (0.9)x(40)=36 cm

Hence, the new length of each side of the dilated square=  36 cm

5 0
4 years ago
Read 2 more answers
5 1/4 multiplied by 5 1/4
LenaWriter [7]

Answer:

110 1/4

Step-by-step explanation:

5 1/4=21/4

21/4x21/4= 441/4= 110 1/4

im pretty sure thats correct

if not

im so sorry

8 0
4 years ago
Enter your answer and show all the steps that you use to solve this problem in the space provided.
rodikova [14]

Answer:

\boxed{f(x) - g(x) = 2x(2x^{2} + x + 1)}

Step-by-step explanation:

f(x) = 9x³ + 2x² - 5x + 4; g(x)=5x³ -7x + 4

Step 1. Calculate the difference between the functions

(a) Write the two functions, one above the other, in decreasing order of exponents.

ƒ(x) = 9x³ + 2x² - 5x + 4

g(x) = 5x³           - 7x + 4

(b) Create a subtraction problem using the two functions

        ƒ(x) =    9x³ + 2x² - 5x + 4

      -g(x) =  <u>-(5x³           - 7x + 4) </u>

ƒ(x) -g(x)=

(c). Subtract terms with the same exponent of x

        ƒ(x)   =    9x³ + 2x² - 5x + 4

      -g(x)  =   <u>-(5x³          -  7x + 4) </u>

ƒ(x) -g(x) =      4x³ + 2x² + 2x

Step 2. Factor the expression

y = 4x³ + 2x² + 2x

Factor 2x from each term

y = 2x(2x² + x + 1)

\boxed{f(x) - g(x) = 2x(2x^{2} + x + 1)}

5 0
3 years ago
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