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adelina 88 [10]

3 years ago

14

Red bird's flight path can be modeled by the quadratic equation y=-x^2+12x-11. What is the vertex? What is the axis of symmetry?

What was the total distance? What is the domain and range? What is the maximum height?

1 answer:

seraphim [82]3 years ago

3 0

Answer:

Step-by-step explanation:

brainly.com/question/1366658

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A necklace has and matching bracelet have two types of beads. The necklace has 12 large beads and 8 small beads and weighs 88 gr

miv72 [106K]

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Step-by-step explanation:

Let,

Weight of one large bead = x

Weight of one small bead = y

According to given statement;

12x+8y=88 Eqn 1

5x+2y=25 Eqn 2

Multiplying Eqn 2 by 4

$4(5x+2y=25)\\20x+8y=100\ \ \ Eqn\ 3\\$

Subtracting Eqn 1 from Eqn 3

$(20x+8y)-(12x+8y)=100-88\\20x+8y-12x-8y=12\\8x=12$

Dividing both sides by 8

$\frac{8x}{8}=\frac{12}{8}\\x=1.5$

Putting x=1.5 in Eqn 1

$12(1.5)+8y=88\\18+8y=88\\8y=88-18\\8y=70$

Dividing both sides by 8

$\frac{8y}{8}=\frac{70}{8}\\y=8.75$

Weight of one large bead is 1.5 grams and weight of one small bead is 8.75 grams.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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3 years ago

Select two ratio that are equvivalent to 4:18

Marizza181 [45]

Answer:

2:9

Step-by-step explanation:

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3 years ago

I NEED HELP FAST!

Degger [83]

Answer:

25

Step-by-step explanation:

4.5×5.5=24.75

so 24.75 is the area of the room but you have to buy whole tiles so you would need to but 25 tiles

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3 years ago

Easy 50 points, one multi choice question

kotegsom [21]

D is the correct answer

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3 years ago

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Which number below best represents a positive charge of 1,861?

scoray [572]

The second one is the only positive besides 4th but the second and first are the only 1861 so ide have to say the second one

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3 years ago