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3 years ago

What is the solution to the proportion 3/m=12/15

Mathematics

2 answers:

qaws [65]3 years ago

6 0

B 3.75 it is simple it is easy

Luda [366]3 years ago

6 0

The answer 3.75 i think

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Donata bought 4 lemons and 4 plums at the local supermarket for a total of $ 21.60. Dan bought 11 lemons and 6 plums at the same

VashaNatasha [74]

you must establish a equation system with the information given , 4x numbers of limon , where x represent the cost of every lemon and 4y numbers of plums , where y represents the cost of plums
now the equation system is 1) 4x+ 4y = 21,60 and 2) 11x+ 6y = 40.29
of the equation 1 you must obtain the value of x, 4x = 21.60+4y ⇒x=21.60/4+4y/4⇒x= 5.4+y
now with the value of x , it is substitute in the equation 2) 11(5.4+y) + 6y = 40.29 , ⇒ 59.4 + 11y + 6y = 40.29 ⇒ 17y = 40.29-59.4⇒ y = -19,11/7⇒ y = -2.73
the value of y is substitute in the equation 1) x = 5.4 + ( -2,73)⇒ x= 2,67, where ,the price of every lemon is $ 2,67

6 0

3 years ago

The equation y= mx+b what's the b in the equation

andreyandreev [35.5K]

Answer:

The <em>b</em> is the y-intercept.

the <em>m</em> is the slope.

6 0

3 years ago

What is the slope of a line that contains the points (-8,7) and (-4,-5)?

Pani-rosa [81]

Answer:

-3

Step-by-step explanation:

To find the slope given two points

m = (y2-y1)/(x2-x1)

= (-5-7)/(-4- -8)

= (-12)/(-4+8)

=-12/4

= -3

7 0

2 years ago

Franklin bought a book with 90 pages. If he

BartSMP [9]

The answer is A) 60%

3 0

3 years ago

Consider two circular swimming pools. Pool A has a radius of 34 feet, and Pool B has a diameter of 20.92 meters. Complete the de

77julia77 [94]

Answer:

The diameter of pool a is 10.37 (34 × 0.305)

Pool B is greater

The circumference of pool B is greater

The area of pool B is 65.7221183130984ft

The area of pool a is

32.5783158177261ft

65.7221183130984 - 32.5783158177261=

Pool Bs area is 33.143802ft² bigger

4 0

3 years ago