2 years ago

PLZ Give Us The Answer

Mathematics

1 answer:

Anni [7]2 years ago

7 0

The answer is in the snip

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The area of a rectangle is (4x2 − 49y2) square units. Determine the dimensions of the rectangle by factoring the area expression

Pani-rosa [81]

Answer:

Step-by-step explanation:

$(4x^{2} - 49y^{2} ) = (2x+7y)(2x-7y)$

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2 years ago

What is the value of y in the equation 3y - 8 = 22?

ArbitrLikvidat [17]

Step-by-step explanation:

3y-8=22

3y=22+8

3y=30

y=30/3

y =10

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2 years ago

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Find the gradient (m) and y-intercept (c) of the equation y =-2/3x+1/3

quester [9]

Step-by-step explanation:

x÷z46 ×32% = 546% sorry i rlly need points

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2 years ago

Sally ran 2 % miles in 12 hour. What is her<br> speed in miles per hour?

andreev551 [17]

Answer:

Step-by-step explanation:

if you're saying she ran .2 miles in 12 hours

then she ran .016 miles per hour

if you're saying she ran 2 miles in 12 hours,

then she ran 1/3 mile per hour or 0.3333 miles per hour

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2 years ago

An epidemiologic survey of roller-skating injuries in Metroville, a city with a population of 100,000 (during the midpoint of th

Ahat [919]

Answer: c. $\dfrac{90}{1800}\times100\%$

Step-by-step explanation:

As per given , we have

Total number of residents injured from roller-skating =1,800

Total number of deaths from roller-skating = 90

Formula for Mortality rate : $Mortaility\ rate= \dfrac{Deaths\ due \ to\ injury}{Tota\ injuries}$

Then, the proportional mortality ratio (%) due to roller-skating was

= $\dfrac{90}{1800}\times100\%$

= 5%

Hence, the correct answer is c. $\dfrac{90}{1800}\times100\%$

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3 years ago