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Lilit [14]
3 years ago
12

Help answer question. With explanation

Mathematics
1 answer:
umka21 [38]3 years ago
8 0

Answer:

- 2x² - 2x + 82

Step-by-step explanation:

(f - g)(x) = f(x) - g(x) , then

f(x) - g(x)

= 2 - x² - (x² + 2x - 80) ← distribute parenthesis by - 1

= 2 - x² - x² - 2x + 80 ← collect like terms

= - 2x² - 2x + 82

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The area of rhombus is 360cmsquare and one of its diagonalis 18cm. Find the other diagonal.
Yanka [14]

Answer: 40 cm

So the diagonal formula is -  1/2* (d1*d2) d1 is the first diagonal and d2 is the second diagonal.  

So,

1/2 * (18*d2)= 360

18*d2= 360*2

d2= 720/18

d2= 40

6 0
3 years ago
The graph of the portion I'll relationship contains the point with coordinates 3 and 12 what is the constant of proportionality
horsena [70]

Answer:

Step-by-step explanation:

I think it’s 8?

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The grocery store sells kumquats for $3.75 a pound and Asian pears for $2.25 a pound. Write an equation in standard form for the
sveta [45]

Answer:

3.75k + 2.25p = 14

Step-by-step explanation:

The cost from the weights of kumquats can be represented by 3.75k.

The cost from the weights of Asian pears can be represented by 2.25p.

Using the standard form equation, Ax + By = C, replace Ax and By with these terms.

Then, plug in 14 as C:

Ax + By = C

3.75k + 2.25p = 14

So, the equation is 3.75k + 2.25p = 14

3 0
3 years ago
Ava and Taha are staring up at a UFO. Ava is directly east of the UFO and Taha is directly west. Ava is 205 feet from the UFO an
ira [324]

Answer:

49.59°

Step-by-step explanation:

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Using the relation :

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Tan θ = 195 / 166

θ = tan⁻¹(195÷166)

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8 0
3 years ago
What is the equation of the line through the origin and (3, 4)?​
alisha [4.7K]

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y = 4/3x

Step-by-step explanation:

Hope that helps you

3 0
3 years ago
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