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melisa1 [442]
3 years ago
9

Sammy is classifying quadrilateral EFGH. How can she use coordinate geometry to determine whether EFGH is a rhombus?

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0

Answer:

B

Step-by-step explanation:

Rhombus has all sides equal  

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What is −809 in radians? I tried -809pi/180 but it was marked incorrect
GalinKa [24]

Answer:

-14.120 Radians

Step-by-step explanation:

To convert, use this angle degrees to radians formula:

Radians = Degrees x ( Pi / 180)

Try using this formula

6 0
3 years ago
Calculate the force output by the larger piston of a hydraulic lift when a force of 800 N is exerted on the smaller piston. The
Alchen [17]

answer:

<h2>F2= 5kN</h2>

step by step explanation

<em>Note the second diameter was used as 50cm and not 500cm</em>

given

F1=800N

D1=20cm

A1=πD1^2/4

=3.142*20^2/4

=314.2cm^2

D2= 50cm

A2=πD2^2/4

=3.142*50^2/4

=1963.75cm^2

The pressure applied on the smaller relative to the bigger end is expressed as

F1/A1=F2/A2

substitute we have

800/314.2=F2/1963.75

cross multiply we have

F2=800*1963.75/314.2

F2=1571000/314.2

F2=5000N

F2=5kN

The larger Force is 5kN

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3 years ago
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Select the more effective use of correlative conjunctions to join these sentences.
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Step-by-step explanation:

8 0
3 years ago
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Make n the subject of m= 4n-gn+1
Misha Larkins [42]

Answer:

n = (m-1)/(4-g)

Step-by-step explanation:

m= 4n-gn+1

Subtract 1 from each side

m-1= 4n-gn+1-1

m-1 = 4n -gn

Factor out n

m-1 = n(4-g)

Divide each side by (4-g)

(m-1)/(4-g) =  n(4-g)/(4-g)

(m-1)/(4-g) =  n

n = (m-1)/(4-g)

6 0
3 years ago
Read 2 more answers
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