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Softa [21]
2 years ago
8

Is the following relation a function? {(1,2), (3,4),(-2,4),(3,0)}

Mathematics
2 answers:
Nana76 [90]2 years ago
8 0

Answer:

Step-by-step explanation:

KengaRu [80]2 years ago
3 0

Answer:

yes

Step-by-step explanation:

a function has one uniqe output to a input

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What slope is perpendicular to x + 4y = 12
myrzilka [38]
Solve for the equation. The. Divide by 4 on both sides. And whatever you get for the slope. Write the opposite which will give you the perpendicular slope. For example: 1/4x is perpendicular to -4x
6 0
3 years ago
While testing a new vaccine, a lab technician noticed that the number of bacteria reduced by half every minute. How long does it
son4ous [18]
To start, find your equation, n=3000(.5)^t, n being your number of bacteria and t being your time. Now plug in 375 for n and solve for t, 375=3000(.5)^t, .125=.5^t, t=log_{.5} .125=3. This means your answer is 3 minutes. To check it, plug it into your equation. n=3000(.5)^t=3000(.125)=375
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How do you solve this
marusya05 [52]
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3 0
3 years ago
Vignesh owns a cottage in the shape of a cube with each edge of length 26 feet. The roof is in the shape of a square pyramid and
Zina [86]

Answer:

56√93 ≈ 540 ft²

Step-by-step explanation:

The roof is made up of 4 congruent isosceles triangles. Since the roof extends 2 ft over the edge of the cottage on each side, then the base of each triangle is 26 + 2 = 28 ft.

Let's calculate the area of one of the triangles and then just multiply by 4. See attachment. Drop a perpendicular from the vertex of a triangle to its base. We now have the triangle broken up into two right triangles. The hypotenuse is 17 ft and one of the legs of the right triangle is 28 / 2 = 14 ft. Then the height / other leg is:

\sqrt{17^2-14^2} =\sqrt{289-196} =\sqrt{93}

We now have the dimensions of each triangle: the height is √93 and the base is 28. The area of a triangle is: A = (1/2) * b * h, so we have the following.

A = (1/2) * b * h

A = (1/2) * 28 * √93 = 14√93

Multiply this by 4:

14√93 * 4 = 56√93

The total surface area is 56√93 ≈ 540 ft².

4 0
3 years ago
Read 2 more answers
A business is owned by 3 people. Mrs. Applegate owns
Bezzdna [24]

Given:

Mrs. Applegate owns  \dfrac{3}{19} of the business.

Mrs. Brown owns 3 times as much as  Mrs. Charles.

To find:

The  fractional part of the business that Mrs. Brown owns.

Solution:

Let Mrs. Charles owns x part of business.

Mrs. Brown owns 3 times as much as  Mrs. Charles.

Mrs. Brown owns = 3x part of business.

Mrs. Applegate owns  =\dfrac{3}{19} of the business.

x+3x+\dfrac{3}{19}=1

4x=1-\dfrac{3}{19}

4x=\dfrac{19-3}{19}

4x=\dfrac{16}{19}

Divide both sides by 4.

x=\dfrac{16}{4\times 19}

x=\dfrac{4}{19}

Now,

Mrs. Brown owns  =3\times x

=3\times \dfrac{4}{19}

=\dfrac{12}{19}

Therefore, Mrs. Brown owns  \dfrac{12}{19} of the business.

4 0
3 years ago
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