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Lemur [1.5K]
3 years ago
10

Find the value of a in the diagram of the right triangle 27° 11 in

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
5 0
Sin 27=11/a
a=11/sin 27
a=24.2
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What is the value of the expression below when w=5w=5? 4w+9 4w+9
mart [117]

Answer:

29

Step-by-step explanation:

substitute 5 where the <em>w</em> goes in the expression.

It should look like  4 • 5 + 9

Using the order of operations ( PEMDAS ) multiply 4 • 5 to get 20 and then add 9 to get 29

8 0
3 years ago
in his first three rounds of golf, Jon scored 72, 78, and 73. What is the highest score he can earn in his fourth round and stil
kupik [55]
No greater means equal or less. Because the problems asks about the highest score(maximum value), we are going to solve following equation:
(72+78+73+x)/ 4 = 74
(72+78+73+x)=74*4
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8 0
3 years ago
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Shalnov [3]

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Step-by-step explanation:

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6 0
3 years ago
Read 2 more answers
Just need to solve number 8 with quadratic formula
choli [55]
ax^2+bx+c=0\\\\x_1=\dfrac{-b-\sqrt{b^2-4ac}}{2a}\\\\x_2=\dfrac{-b+\sqrt{b^2-4ac}}{2a}

2x^2=8x-7\ \ \ \ |-8x\\\\2x^2-8x=-7\ \ \ |+7\\\\2x^2-8x+7=0\\\\a=2;\ b=-8;\ c=7\\\\b^2-4ac=(-8)^2-4\cdot2\cdot7=64-56=8\\\\\sqrt{b^2-4ac}=\sqrt8=\sqrt{4\cdot2}=2\sqrt2
x_1=\dfrac{-(-8)-2\sqrt2}{2\cdot2}=\dfrac{4-\sqrt2}{2}\\\\x_2=\dfrac{-(-8)+2\sqrt2}{2\cdot2}=\dfrac{4+\sqrt2}{2}

7 0
3 years ago
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lana66690 [7]

Answer:

#1 isnt porportional and #2is porportional and is 3

7 0
3 years ago
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