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hoa [83]
3 years ago
11

I just need a confirmation that my answer is right? Find side AC. Round to the nearest hundredth.

Mathematics
1 answer:
hjlf3 years ago
5 0
Your procedure is perfect, you're fine, however, bear in mind that, in a calculator when plugging in values for some functions, specially trigonometric ones, if you tell it cos(40), and the calculator is in Radian mode, it thinks you meant cosine of 40 radian units, if you give it cos(40) and it's in Degree mode, it thinks you meant 40°, and 40 radians is hugely different than 40°.

so, make sure your calculator is in Degree mode, as you'd have guessed, it isn't.
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What number must you add to complete the square x^2+2x=9
MAVERICK [17]

Answer:

+ 1

Step-by-step explanation:

Given

x² + 2x = 9

To complete the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(1)x + 1² = 9 + 1²

(x + 1)² = 10

5 0
3 years ago
Read 2 more answers
A car tire is spinning a complete revolution every 0.60 seconds. The valve stem is 2 inches above ground at its lowest point and
finlep [7]

Answer:

Step-by-step explanation:

What is the amplitude, ||, of the height and co-height functions for this car tire

|| = 6

Let () represent the co-height function after rotation by radians, and let () represent the height function after rotation by radians. Write functions for the co-height and for the height in terms of .

() = ()

() = ()  

The co-height graphs are the same but translated 2 inches upward

so our function is:

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() = ()  + 2

5 0
3 years ago
A restaurant owner installed a new automated drink machine. The machine is designed to dispense 530 mLof liquid on the medium si
lidiya [134]

Answer:

a.H0: μ =530mL vs. Ha: μ > 530mL

Step-by-step explanation:

-A hypothesis test will be used to provide evidence that the median is more or equal to the stated median value.

#In a normally distributed population, the mean=mode=median:

Mean=Mode=Median=\mu

-The null hypothesis states that the median is equal to the stated value:

H_o:\mu=530 \ mL

-The alternative hypothesis provides evidence that the median value is greater than the stated value:

H_a:\mu>530\ mL

Hence, the correct hypotheses are H0: μ =530mL vs. Ha: μ > 530mL

6 0
3 years ago
Given the following examples, create an equation that showcases the rule: 2 * ½ = 1 1/5 * 5 = 1 3 * 1/3 = 1 4/3 * ¾ = 1 7/5 * 5/
Zarrin [17]
Answer: x * y = 1

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8 0
3 years ago
Sam has 3 cards and he buys a more. Write an expression for the number of cards Sam has.
slava [35]

Answer:

T=(3)+A

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A is how many more

t is total

3 is how many cards he owns

hope this helped

4 0
3 years ago
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