3 years ago

Use properties of addition to evaluate the expression. −35+7+(−15) Enter your answer in the box.

Mathematics

1 answer:

frutty [35]3 years ago

8 0

Your answer will be -43

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Use implicit differentiation to find the negative slope of a tangent to the circle x^2+y^2=16 at x=-2

SVETLANKA909090 [29]

Answer:

slope = - $\frac{\sqrt{3} }{3}$

Step-by-step explanation:

Differentiating implicitly with respect to x

2x + 2y $\frac{dy}{dx}$ = 0

2y $\frac{dy}{dx}$ = - 2x

$\frac{dy}{dx}$ = - $\frac{2x}{2y}$ = - $\frac{x}{y}$

$\frac{dy}{dx}$ is the measure of the slope of the tangent

rearrange equation to find corresponding y-coordinate of x = - 2

y² = 16 - 4 = 12 = 2 $\sqrt{3}$ ⇒ y = ± 2 $\sqrt{3}$

using x = - 2, y = - 2 $\sqrt{3}$ , then

$\frac{dy}{dx}$ = - $\frac{1}{\sqrt{3} }$ = - $\frac{\sqrt{3} }{3}$

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3 years ago

Need to round 402 to nearest ten and hundred

antoniya [11.8K]

The 0 in the number 402 is in the ten place. The number after it is 2. 2 is less than 5.

402 rounded to the nearest ten is 400

The 4 in the number 402 is in the hundreds place. The number after it is 0. 0 is less than 5.

402 rounded to the nearest hundred is 400

6 0

3 years ago

The box part of the box plot contains all the values between which numbers?

Valentin [98]

Answer:c between 32 and 37

Step-by-step explanation:

if you look at where the box starts and where it ends you can find the numbers that you need

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3 years ago

You are trapped in a dark cave with three indistinguishable exists on the walls. One of the exits takes you 3 hours to travel an

bija089 [108]

Answer:

6 HOURS

Step-by-step explanation:

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3 years ago

the sides of a square each have a length of 11x inches write an expression for the perimeter of the square in inches

notsponge [240]

Answer:

P = 44x

Step-by-step explanation:

Given

a = 11x

Perimeter of a square is:

P = 4a

Substitute the value:

P = 4(11x) = 44x

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2 years ago