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aleksley [76]
2 years ago
5

Which ratio is equivalent to the scale 3 in. :1 ft?

Mathematics
1 answer:
poizon [28]2 years ago
8 0

Answer:

4:1

Step-by-step explanation:

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Find equations of both the tangent lines to the ellipse x^2 + 4y^2 = 36 that pass through the point (12, 3).y = (smaller slope)y
Bingel [31]

Answer:

x+y=15

Step-by-step explanation:

Given equation of x^2+4y^2=36

Differentiating both side 2x+8y\frac{dy}{dx}=0

\frac{dy}{dx}=\frac{-x}{4y}

It passes through the point (12,3) so

\frac{dy}{dx}=\frac{-12}{4\times 3}=1

So equation of tangent passing through (12,3) is

y-12=-1(x-3) as y-y_1=-m(x-x_1)

So x+y =15 will be the equation of tangent which passes though the point (12,3)

5 0
3 years ago
What is the degree of one and a half full turns
anygoal [31]

1turn = 360 half a turn is 180
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3 years ago
I need help please & thank you
White raven [17]

3(2c+d)-4(c-d)+d^2

c=1 , d=3

Use the substitution method

3(2*1+3)-4(1-3)+3^2

Multiply the brackets

3(2+3)-4+12+9

6+9-4+12+9

15-4+12+9

11+21

=32

Answer: 32

5 0
3 years ago
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What is the measure of 27?<br> 13<br> 4<br> 1370<br> A<br> 330<br> B.<br> 1370<br> 430<br> D<br> 470
finlep [7]

Answer:

B. yes.

Step-by-step explanation:

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3 years ago
19) It will cost $12.50 per person to make dinner. Write an
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12.50x less than or equal to $200

Step-by-step explanation:

7 0
3 years ago
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