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3 years ago

15

Help me with 5 please! Thanks and show work :)

1 answer:

anastassius [24]3 years ago

4 0

There are a couple of ways to get there, but they amount to the same thing.
.. MN = 2*PS*sin(arcMN/2) = 2*10*sin(55°) ≈ 16.4

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98-x2=0 solve this with the quadratic formula

Mars2501 [29]

Answer:

x∈{-7√2, 7√2}

Step-by-step explanation:

$98-x^2=0\\\\-x^2+98=0\\\\a=-1\,,\ \ b=0\,,\ \ c=98\\\\x_1=\dfrac{-0-\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{-\sqrt{4\cdot49\cdot2}}{-2}=\dfrac{-2\cdot7\sqrt{2}}{-2}=7\sqrt2\\\\x_2=\dfrac{-0+\sqrt{0^2-4\cdot(-1)\cdot98}}{2\cdot(-1)}=\dfrac{2\cdot7\sqrt{2}}{-2}=-7\sqrt2$

7 0

2 years ago

Angad and Alex have played 40 tennis matches.

AlladinOne [14]

Answer:

estimate the probability that angad wins

6 0

1 year ago

Please help me this geometry question

myrzilka [38]

For 13 a 0 degree line is a straight line

6 0

2 years ago

A baseball player gets 7 hits in the first 15 games of the season. if he continues hitting at the same rate, how many hits will

inessss [21]

Hey there,
15 games = 7 hits
1 game = 7 / 15
= <span>0.46666666666
45 games = </span><span>0.46666666666 x 45
= 21

Hope this helps :))

<em>~Top♥</em>
</span>

3 0

3 years ago

LaShaundra is buying fence for two triangular sections of her garden.

mixas84 [53]

Answer: 80 feet.

Step-by-step explanation:

1. As you can see in the figure, triangle ABC and the triangle DFG are similar.

2. The scale of factor of triangle ABC to triangle DFG is the following:

$sf=\frac{20ft}{4ft}\\sf=5ft$

3. Therefore, the lenght of the side DG of the trinagle DFG is:

$DG=5*AC\\DG=5*7ft\\DG=35ft$

4. The perimeter of the triangle DFG is:

$P_{DFG}=20ft+25ft+35ft=80ft$

5. Therefore, she would need 80 feet of fence.

8 0

3 years ago