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Salsk061 [2.6K]
3 years ago
12

I need help ASAP please

Mathematics
1 answer:
trapecia [35]3 years ago
5 0

Answer:

B

Step-by-step explanation:

Using the cosine ratio in the right triangle and the exact value

cos45° = \frac{1}{\sqrt{2} } , then

cos45° = \frac{adjacent}{hypotenuse} = \frac{3}{c} = \frac{1}{\sqrt{2} } ( cross- multiply )

c = 3\sqrt{2}

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Can you guys help me with this?
ankoles [38]
ANSWER-

B

EXPLANATION-

log6 x^6 + 2log6 y
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8 0
3 years ago
Mr. Noel borrowed money from his cousin at a rate of 10% simple interest. After 1 year, $440
Alborosie

Answer:

<h2>$400</h2>

Step-by-step explanation:

Using the formula for calculating the simple interest expressed as;

Simple Interest = Principal * rate * time/100

Note that the principal is the amount he originally borrowed

I = PRT/100 ............ 1

Amount paid off A = Principal+Interest

A = P+I ............ 2

From equation 2; I = A-P......... 3

Substitute equation 3 into 1;

A-P = PRT/100

Given A = $440, R = 10%, Time = 1year

Substitute the given parameters into the resulting equation;

440 - P = P*10*1/100

440-P = 10P/100

440-P = 0.1P

440 = 0.1P+P

440 = 1.1P

Divide through by 1.1;

1.1P/1.1 = 440/1.1

P = $400

<em>Hence the amount Mr Noel originally borrow is $400</em>

5 0
3 years ago
Rewrite the range of each company’s wireless access devices in feet using scientific notation. (5,280 feet =1 mile)
Sauron [17]
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Ivan’s range: 2,640 = 2.64 x 10^3 ft

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Winnies WiFi has the greater range

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3 years ago
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Step-by-step explanation:

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Step-by-step explanation:

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