3 years ago

Correct answer gets brainliest +25 points

Mathematics

2 answers:

labwork [276]3 years ago

8 0

Answer:

2) Net A with 480 square inches

If I'm wrong just delete my answer.

Reil [10]3 years ago

4 0

Answer:

The awner is C

Step-by-step explanation:

Have a great day!

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Which of the following is an equation for the plane through the point (1, 1, −1) and parallel

Bas_tet [7]

The given plane, $x-y+z=3$ , has normal vector $\vec n = \langle1,-1,1\rangle$ . Any plane parallel to this one has the same normal vector.

Let $(x,y,z)$ be any point in the plane we want. The plane contains the point (1, 1, -1), so an arbitrary vector in this plane is

$\langle x,y,z\rangle - \langle 1,1,-1\rangle = \langle x-1, y-1, z+1 \rangle$

and this is perpendicular to $\vec n$ .

So the equation of the plane is

$\langle x-1, y-1, z+1 \rangle \cdot \vec n = 0 \implies (x-1) - (y-1) + (z+1) = 0 \implies \boxed{x - y + z = -1}$

or equivalently,

$\boxed{-x + y - z = 1}$

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1 year ago

Quadrilateral ABCD has opposite sides that are parallel and side AB congruent to side DC. What classification can be given to AB

fomenos

One pair of opposite sides both parallel and congruent implies a parallelogram.

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3 years ago

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What is the circumference of a circle with a diameter of 8 feet? Use 3.14 for ON d=80 O A. 25.12 ft B. 12.56 ft C. 50.24 ft D. 1

Andrew [12]

Answer:

25.12

Step-by-step explanation:

Formula: 2πr, r = d/2

Given: π = 3.14, d = 8

Sub: r = 8/2

Simplify: r = 4

Sub: 2(3.14)(4)

Simplify: 6.28(4)

Solve: 25.12

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2 years ago

Find the missing value.

Fudgin [204]

Answer:

$3125

Step-by-step explanation:

$A = P(1 + \frac{r}{100} )^{n}$

A = 250(1 + 0.25)ⁿ

A = (312.5)ⁿ

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A = I

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2 years ago

A bathtub can hold 80 gallons of water. The faucet flows at a rate of 4

svetlana [45]

Answer:

32% of the tub will be filled after 8 minutes. Hope this helps!

Step-by-step explanation:

4x8= 32

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3 years ago

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