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NeTakaya
3 years ago
14

Hey could someone help?

Mathematics
2 answers:
torisob [31]3 years ago
6 0

Answer:

It might be the second one!

Step-by-step explanation:

katen-ka-za [31]3 years ago
5 0
I believe it’s the 2nd one
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3.) Graph f(x)=3^x.​
ollegr [7]

Answer:

f(x)=3^x plot = see attachment

Step-by-step explanation:

7 0
3 years ago
A micro-photograph of a human hair shows the hair magnified 150 times. If the hair is
stepan [7]

Answer:

<em>The actual width of the hair is 20 / 150 = 0.13 mm</em>

Step-by-step explanation:

<u>Scaling</u>

Objects can be represented in a reduced or augmented size by using scaling which is basically multiplying or dividing by a constant factor. We use scaling in several applications of real-life.

The human hair is magnified 150 times by a micro-phtograph. This is the scale factor.

The hair can be seen 2 cm wide in the photograph.

Converting to millimeters, 2 cm = 2*10 = 20 millimeters.

The actual width of the hair is 20 / 150 = 0.13 mm

6 0
2 years ago
If the smallest angle of a triangle is 20° and it is included between sides of 4 and 7, then (to the nearest tenth) the smallest
lawyer [7]

Answer:

3.5

Step-by-step explanation:

The smallest side of a triangle is formed by the smallest angle in the triangle.

To find the side opposite (formed by) the 20 degree angle, we can use the Law of Cosines. The Law of Cosines states that for any triangle, c^2=a^2+b^2-ab\cos \gamma, where a, b, and c are the three sides of the triangle and \gamma is the angle opposite to c.

Let c be the side opposite to the 20 degree angle.

Assign variables:

  • a\implies 4
  • b\implies 7
  • \gamma \implies 20^{\circ}

Substituting these variables, we get:

c^2=4^2+7^2-2(4)(7)\cos 20^{\circ},\\c^2=16+49-56\cos 20^{\circ},\\c^2=12.377213236,\\c=\sqrt{12.377213236}=3.51812638147\approx \boxed{3.5}

Therefore, the shortest side of this triangle is 3.5.

5 0
3 years ago
About how much does a horseshoe weigh ?
bogdanovich [222]
That questions answer depends on the size and composition of the horseshoe
6 0
3 years ago
Read 2 more answers
Round 3897.24 to the nearest thousand​
postnew [5]

Answer:3897

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
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