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2 years ago

PLEASE PLEASE HELP ILL MARK YOU AS BRAINLIST !!

Mathematics

2 answers:

Yanka [14]2 years ago

6 0

Answer:

2 I believe

Step-by-step explanation:

sorry if im wrong

IrinaK [193]2 years ago

5 0

I don’t think you can get a chance to

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) Enter a negative number that has an absolute value greater than 10.

Mkey [24]

Answer:

-11

Step-by-step explanation:

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3 years ago

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What is the slope of a line that is perpendicular to the line whose equation is ax+by=c?

Oksi-84 [34.3K]

The perpendicular line will have a slope of b/a.

To find this, we first have to solve our equation for slope intercept form.

ax + by = c ----> subtract ax

by = -ax + c ----> divide by b

y = -a/bx + c/b.

So we know the slope of this equation to be -a/b. Since perpendicular lines have opposite and reciprocal slopes, we know we can simply flip the fraction and make it a negative to get the new slope of b/a.

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3 years ago

What is the volume of this sphere?

adelina 88 [10]

Answer:

The answer is D.

Step-by-step explanation:

V=4 /3πr^3=4/ 3·π·7.53≈1767.14587

Here's a joke to lighten your mood;

A woman gets onto a bus with her baby.

The bus driver says, “That’s the ugliest baby that I’ve ever seen. Ugh!”

The woman goes to the rear of the bus and sits down, fuming. She says to a man next to her, “The driver just insulted me!”

The man says, “There’s no call for that. You go right up there and tell him off. Go ahead, I’ll hold your monkey for you.”

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3 years ago

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mixas84 [53]

It is number 4 because the smaller the slope the more it rises

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3 years ago

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A surveyor wishes to lay out a square region with each side having length L. However, because of measurement error, he instead l

RoseWind [281]

Step-by-step explanation:

Area, A = Length,x × Breadth,y

A=xy

When x and y are independent, E(xy) = E(x)E(y)

As x and y have the same distribution, U[L-A,L+A], they have the same mean.

We could argue by symmetry that E(x) = L and E(y) + L, also.

We can also reason this from the fact that, if X ~ U[L-A, L+A], f(x) = 1/(2A) from L-A to L+A

Therefore

$E(x)= \int\limits {f(x)} \, dx \\\\=\int\limits^{(L+A)}_{(L-A)} {\frac{1}{2A}x } \, dx$

$=\int\limits^{(L+A)}_{(L-A)} {\frac{1}{2A}x } \, dx \\\\=[\frac{1}{4A}x^2 ]\limits^{(L+A)}_{(L-A)}$

=1/(4A)(L+A)2 - 1/(4A)(L-A)2

= 1/(4A)(L2 + 2AL + A2) - 1/(4A)(L2 - 2AL + A2)

=1/(4A)(2AL+2AL)

= 1/(4A)(4AL)

= L

Thus, E(xy) = E(x)E(y) = L×L = L²

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3 years ago