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3 years ago

Can someone please answer this correctly? Please show work so that i know how to do this.

Mathematics

1 answer:

malfutka [58]3 years ago

5 0

$\text{Given that } \cos(\theta) = \dfrac{\text{adj}}{\text{hyp}} \text{ ,}$

$\cos(30) = \dfrac{x}{16}$

$x= 16\cos(30)$

$x = 13.9 \text{ feet}$

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Find the degree of the polynomial below. 9x2 – 25

bulgar [2K]

Answer:

$\huge \fbox \pink {A}\huge \fbox \green {n}\huge \fbox \blue {s}\huge \fbox \red {w}\huge \fbox \purple {e}\huge \fbox \orange {r}$

${9x}^{2} - 25$

✏ Degree is the highest value of the exponent in the polynomial. In this polynomial 2 is the degree of the polynomial.

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$\huge\blue{ \mid{ \underline{ \overline{ \tt ꧁❣ ʀᴀɪɴʙᴏᴡˢᵃˡᵗ2²2² ࿐ }} \mid}}$

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3 years ago

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Zach invested $50 and was able to triple his money in two years. Kayla also began with $50 in investments, and was able to cube

Brrunno [24]

To triple, means to multiply that number by 3.
To cube means to times that number by it's self three times.
So, in conclusion, the answer would be Kayla.

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3 years ago

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A soldier started patrolling around his camp at 22 30 . His patrol lasted 3 hours and 20 minutes .What time did his patrol end

baherus [9]

Answer:01 50 Hrs

Step-by-step explanation:

If the soldier started patrol at 2230 hrs and his petrol lasted for 3 hours and 20 minutes, that means he was on patrol for that time.

The time he finished was therefore:

= 2230 + 320

= 2550

At 24 you begin at 0:00am so:

= 2550 - 2400

= 150

Patrol ended at 0150 hrs

4 0

3 years ago

A random sample of 17 hotels in Boston had an average nightly room rate of $165.40 with a sample standard deviation of $21.70. T

tensa zangetsu [6.8K]

Answer:

153.158 ; 177.642

Step-by-step explanation:

Given the following:

Sample mean (m) = 165.40

Sample standard deviation (s) = 21.70

Sample size (n) = 17

α = 98%

Confidence interval = m ± z(SE)

z at 98% = 2.326

SE = s/√n

SE = 21.70/√17 = 5.2630230

Hence,

Confidence interval = 165.40 ± 2.326(5.2630230)

165.40 - 12.241791498 OR 165.40 + 12.241791498

153.158 ; 177.642

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3 years ago