3 years ago

Out of 83 children, 39 are boys and 55 have been

Mathematics

1 answer:

Crank3 years ago

5 0

Sounds like an id 10 t problem

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A rectangular garden has a length of 9 feet and a width of 4.5 feet. What is the perimeter of the garden?

Andreyy89

Answer: 27

Explanation:
P = 2(l+w) = 2 · (9 + 4.5) = 27

6 0

3 years ago

B) A car priced at $3600 is reduced by 25%.<br> What is the reduced price?

gavmur [86]

3600:25 =144

reduced price is 144$

8 0

3 years ago

A system of two equations is shown below. What will you need to multiply the

irga5000 [103]

Answer:

the right answer is : -3

Step-by-step explanation:

$\left \{ {{x+y=4} \atop {3x+4y=14}} \right. \\\left \{ {{-3(x+y)=-3*4} \atop {3x+4y=14}} \right. \\\left \{ {{-3x-3y=-12} \atop {3x+4y=14}} \right. \\\left \{ {{-3x-3y+3x+4y=2} \atop {3x+4y=14}} \right. \\\left \{ {{-3y+4y=2} \atop {3x+4y=14}} \right. \\\left \{ {{y=2} \atop {3x+4*2=14}} \right. \\\left \{ {{y=2} \atop {3x=14-8=6}} \right. \\\left \{ {{y=2} \atop {x=\frac{6}{3}=2 }} \right.$