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Dafna1 [17]
3 years ago
13

hi easy question. Just want to know how fast you can answer this question. What is 5•5 whoever answer's this question gets Brain

liest, technically ur getting free brainliest.​
Mathematics
2 answers:
Damm [24]3 years ago
8 0

Answer:

25

Step-by-step explanation:

laiz [17]3 years ago
8 0

Answer:

25

Step25-by-step explanation:

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Use implicit differentiation to find an equation of the tangent line to the curve at the given point.
andrew11 [14]

Differentiating both sides of

x^2 + 2xy - y^2 + x = 20

with respect to x yields

2x + 2y + 2x \dfrac{dy}{dx} - 2y \dfrac{dy}{dx} + 1 = 0 \\\\ \implies (2x-2y) \dfrac{dy}{dx} = -1 - 2x - 2y \\\\ \implies \dfrac{dy}{dx} = \dfrac{1 + 2x + 2y}{2(y-x)}

At the point (3, 4) (so x=3 and y=4), the tangent line has slope

\dfrac{dy}{dx} = \dfrac{1 + 2\times3 + 2\times4}{2(4-3)} = \dfrac{15}2

Then the tangent line to (3, 4) has equation

y - 4 = \dfrac{15}2 (x - 3) \implies \boxed{y = \dfrac{15}2 x - \dfrac{37}2}

7 0
2 years ago
A bee flies 25 m north of the hive then 10 m east 5 m west and 10 m south. How far north and east of the hive is it now? Explain
mafiozo [28]

Answer:

20 meters north.

Step-by-step explanation:

(I did it on a paper not to lose track.) First we go 25 north. Then ten east. Five south. And 10 west again. So in East/West we didn't move but we moved 5 down/south so we are still at twenty. If you don't understand still draw it on a paper.

5 0
3 years ago
A person casts a shadow 3 feet long. The building casts a shadow 15 feet long. The ratio of the petson's shadow to the building'
amid [387]
1:5
2 feet long.

3 and 15 simplified equals 1 and 5. So if the building is 10 who's is double 5, then the person is 2.
3 0
3 years ago
The ratio of the rise to the run of the given triangle is __
Lemur [1.5K]

Answer:

1) 5/2 or 2.5

2) 5/2 or 2.5

Step-by-step explanation:

1) 5/2 = 2.5

2) 10/4 = 5/2 = 2.5

Because the hypotenuse of both are the segments of the same line and straight lines have the same gradient for all segments

4 0
3 years ago
Original price: $64; Markup: 15% what is the retail price?
Brrunno [24]

Answer:

$73.60

Step-by-step explanation:

Original price:  $64

Markup:  0.15($64) = $9.60

New retail price:  $64 + $9.60 = $73.60

4 0
3 years ago
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