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3 years ago

In ΔABC, ∠A is a right angle. What is the value of y?

Mathematics

2 answers:

Bogdan [553]3 years ago

7 0

Y = 7sin(30) = 3.5
_________

alexdok [17]3 years ago

5 0

Sin 30=y/7
y=3.5ft
You would start with your sin equation ( Sin angle= opposite side over hypotenuse)since you are trying to find the Opposite side length. So you would have sin 30 equals y over 7. Then you multiply over 7 to both sides.Last find the value of sin 30( sin 30=.5) and multiply that by 7, your answer is 3.5ft

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6/5 sums in simplest form

m_a_m_a [10]

Answer:

1.2 or 1 1/5

Step-by-step explanation:

To get the answer you have to divide 6/5. Once, I divide I should get 1.2 then you can keep it as a decimal (1.2) or a whole number fraction (1 1/5).

Therefore, your answers will be 1.2 or 1 1/5 (One and one fifths)

Hop this helps.

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6 0

3 years ago

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Find (g o f)(-1). *

klio [65]

Answer:

D -9

Step-by-step explanation:

(g o f)(-1) = g(f(-1))

f(-1) = $f(-1) = (-1)^{2} + 2(-1) - 3\\= 1 - 2 - 3\\= -4$

g(-4) = -4 - 5 = -9

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3 years ago

Which table shows a proportional relationship between x and y help me and earn 20 points

babunello [35]

Answer:

the answer is A

Step-by-step explanation:

i said a because

5×5=25

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5 0

3 years ago

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Ineed help help me please

melamori03 [73]

The symbol ₁₂P₉ represents the permutations of 9 quantities out of 12.
By definition,
$_{12}P_{9} = \frac{12!}{(12-9)!} = \frac{12!}{3!}$

From the calculator,
12! = 479,001,600
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Therefore
₁₂P₉ = 479001600/6 = 79,833,600

Answer: 79,833,600

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3 years ago

Of the $2400 Mr Calvin earned, he spent 3/8 on food, 1/3 on taxes and 1/6 on other expenses. Find out how much all this is in do

sattari [20]

Answer: $300

Step-by-step explanation:

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