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2 years ago

Please help me giving brainlest

Mathematics

2 answers:

MaRussiya [10]2 years ago

7 0

Blue rectangle - 8 square feet
green figure - 333 square meters
blue figure - 204 square feet

jok3333 [9.3K]2 years ago

4 0

Green Figure =>333m²

1st Blue figure =>221.5ft²

2nd Blue rectangle=>8ft²

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Find an equation that models the path of a satellite if its path is a hyperbola, a = 55,000 km, and c= 81,000 km. Assume the cen

elena-14-01-66 [18.8K]

Answer:

$\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1$

Step-by-step explanation:

the transverse axis is horizontal.

so its a horizontal hyperbola

Center is the origin so center is (0,0)

Equation of horizontal hyperbola is

$\frac{x^2}{a^2} - \frac{y^2}{b^2} =1$

Given a= 55000 and c= 81000

c^2 = a^2 + b^2

81000^2 = 55000^2 + b^2

subtract 55000^2 on both sides

b = sqrt(81000^2 - 55000^2)= 59464.27

now plug in the values

$\frac{x^2}{55000^2} - \frac{y^2}{59464^2} =1$

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2 years ago

8x 3x=24 what does x equal

Debora [2.8K]

8x * 3x = 24

24x = 24

x = 1

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2 years ago

Is 3/5 + 3/5 negative or positive

Elan Coil [88]

Answer:

positive

Step-by-step explanation:

when there is no sign in front of the numbers, we can assume that the numbers are positive

8 0

2 years ago

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Write as a product: ax^2+ay^2–bx^2–by^2+b–a

Vesna [10]

Answer:

$\large\boxed{ax^2+ay^2-bx^2-by^2+b-a=(a-b)(x^2+y^2-1)}$

Step-by-step explanation:

$ax^2+ay^2-bx^2-by^2+b-a\\\\=(ax^2-bx^2)+(ay^2-by^2)+(b-a)\qquad\text{use the distributive property}\\\\=x^2(a-b)+y^2(a-b)-1(a-b)\\\\=(a-b)(x^2+y^2-1)$

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3 years ago

I need help and it’s due today

frez [133]

Answer:

5.63

Step-by-step explanation:

Angle NLM is equal to KLM - KLN.

Since KLM = 137° and KLN = 47°, NLM = °90. (Maybe it doesn't look like a right angle, but the math doesn't lie.)

Since NLM = 16y, then 90 = 16y.

Dividing both sides by 16, we find that:

y = 5.625

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3 years ago

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