3 years ago

I need help quick!!!

Mathematics

2 answers:

astraxan [27]3 years ago

6 0

Answer:

the answer to this question may be option B, C and D

nordsb [41]3 years ago

4 0

Answer: A,C, and D

Step-by-step explanation:

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Se implicit differentiation to find an equation of the tangent line to the curve at the given point.7x2 + xy + 7y2 = 15, (1, 1)

suter [353]

F'(x, y) = 14x +xydy/dx + 14ydy/dx = 0
(xy+14y)|dy/dx = -14x
dy/dx = -14x /(xy+14y)
dy/dx |(x=1,y=1) : -14(1) / (1+14) = -14/15

using
y-y1=/x-x1 = -14/15
y-1/x-1 = -14/15
15y-15 = -14x+14
15y+14x -15-14=0
14x +15y = 29

5 0

4 years ago

Suppose a principal amount of $2079 were invested into a simple interest account that pays an annual rate of 2.31% then the amou

Anna35 [415]

Answer:

The amount of interest earned at the end of 14 years would be $672.3486

Step-by-step explanation:

This is a simple interest problem.

The simple interest formula is given by:

$E = P*I*t$

In which E are the earnings, P is the principal(the initial amount of money), I is the interest rate(yearly, as a decimal) and t is the time.

In this problem, we have that:

$P = 2079, I = 0.0231, t = 14$

$E = 2079*0.0231*14 = 672.3486$

The amount of interest earned at the end of 14 years would be $672.3486

4 0

3 years ago

At what points does the graph of f(x)=2x^2-4x-16 intersect the x-axis

Rzqust [24]

At points (4,0) and (-2,0), <span>the graph of f(x)=2x^2-4x-16 intersect the x-axis.
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Hope this helps.
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6 0

4 years ago

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Ella read 16 pages of her book on Monday and 26 pages on Tuesday .there are 64 pages in the book. how many more pages are left f

dimaraw [331]

16 + 26 = 42
64 - 42 = 22

22 pages

6 0

4 years ago

Which unit is used to measure weight<br>

Alex787 [66]

Answer:

Pound or kilograms

Step-by-step explanation:

That is some of the units to measure weight

4 0

3 years ago

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