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3 years ago

Find an ordered pair (x,y) that is a solution to the equation.

Mathematics

2 answers:

vesna_86 [32]3 years ago

6 0

(5,-5) is your answer.

artcher [175]3 years ago

4 0

there are 3 possible solutions

(0,-5)

(1,0)

(2,2)

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The average fuel efficiency of U.S. light vehicles for 2005 was 21 mpg. If the standard deviation of the population was 2.9 and

statuscvo [17]

Answer:

1) The probability that the mean mpg for a random sample of 25 light vehicles is 0.042341.

2) between 20 and 25 --> 21-25/2.9 = -1.38

Step-by-step explanation:

Problem #1:

Using the z-score formula, z = (x-μ)/σ/n, where x is the raw score = 20 mpg,μ is the population mean = 21 mpg , σ is the population standard deviation = 2.9, n = random number of samples.

= z = 20 - 21/2.9/√25
= z = -1/2.9/5
= z = -1.72414

<em>P-value from Z-Table:</em>

Problem #2:

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2 years ago

The price of a technology stock has risen $9.65 today. Yesterday’s price was $9.58 find the percentage increase round your answe

bezimeni [28]

1% (I'm pretty sure)

Step-by-step explanation:

you would do 9.65 ÷ 9.58 to to get 1.0073 and rounding it would give you 1

3 0

3 years ago

Read 2 more answers

The checkbook balance of Roger Co. Is $982.50. The bank statement reveals a balance of $1,051.82. The bank statement showed inte

Lubov Fominskaja [6]

the balance would be 1,285.32 iam not completely sure

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3 years ago

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GEOMETRY PROOFS!

NeX [460]

From the given figure ,

RECA is a quadrilateral

RC divides it into two parts

From the triangles , ∆REC and ∆RAC

RE = RA (Given)

angle CRE = angle CRA (Given)

RC = RC (Common side)

Therefore, ∆REC is Congruent to ∆RAC

∆REC =~ ∆RAC by SAS Property

⇛CE = CA (Congruent parts in a congruent triangles)

Hence , Proved

<em>Additional comment:-</em>

SAS property:-

"The two sides and included angle of one triangle are equal to the two sides and included angle then the two triangles are Congruent and this property is called SAS Property (Side -Angle-Side)

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2 years ago

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