2 years ago

Y=3x+7 Y=-7x-4 Solve the system

Mathematics

2 answers:

inessss [21]2 years ago

8 0

Answer:

x = - 11/10

Step-by-step explanation:

set them equal to each other and solve for x

likoan [24]2 years ago

6 0

Answer:

(-1.1, 3.7)

Step-by-step explanation:

when you graph it this is the answer.

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2 years ago

Help please!<br> Thank you

Margarita [4]

Answer:

Step-by-step explanation:

Red marble probably currently: 12/32 = 3/8

Guess and check (using the multiple choice answers):

F: 12 + 13 / 32 + 13 = 25/45 = 5/6; does not equal 3/5

G: 12 + 18 / 32 + 18 = 30/50 = 3/5; does equal 3/5

H: 12 + 28 / 32 + 28 = 40/60 = 2/3; does not equal 3/5

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2 years ago

A circular fountain has a diameter of 8 feet there is a flower garden planted around the fountain. if the garden extends 12 feet

LuckyWell [14K]

Answer:

753.98 square feet

Step-by-step explanation:

Diameter of the fountain =8 inches

Therefore Radius of the fountain, =8/2=4 Inches

The flower garden extends 12 feet beyond the fountain, therefore:

Radius of the flower garden=4+12 =16 Inches

Let the fountain be the inner circle with radius r and the larger circle which includes the garden have a radius, R. Then:

Area of the flower garden $=\pi (R^2-r^2)$

$=\pi (16^2-4^2)\\=240\pi\\=753.98$ square feet$

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2 years ago