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2 years ago

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Mathematics

2 answers:

sammy [17]2 years ago

6 0

The cheaper option would be Option 2.

Option 2 would be cheaper because you would take 300 x 1.33 and that would give you 399. 500 is greater than 399.

Sure hope this helps

xxTIMURxx [149]2 years ago

3 0

Answer:

My answer is... I have no idea

Step-by-step explanation:

My little brother spells like that :)

Those aren't words :)

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Find the measurement of both complementary angles, if the measurement of the first one is 40° less than the measurement of the o

netineya [11]

90 - 40 = 50

Complementary angles add up to 90 degrees.

If one angle is 40 degrees less than the other, you just put it into an equation where 40 is subtracted from 90.

The answer would then be 50 degrees.

3 0

2 years ago

Dustin is stuck at the top of a ferris wheel. his mother is standing 38 feet from the base of the wheel watching him. if the ang

N76 [4]

To get the height to the nick we use the trigonometry formula:
tan θ=opposite/adjacent
θ=73°
opposite=h ft
adjacent=38 ft
plugging our values we get:
tan 73=h/38
thus
h=38 tan 73
h=124.29~124.3 ft

Answer: <span>C. 124.3 ft</span>

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3 years ago

Volume of a pyramid

Lelechka [254]

Answer:

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2 years ago

Find the equation of the following ellipse based on the following information: Vertices: (-2,0), (2,0) minor axis of length 2

Sav [38]

Answer:

The expression of the ellipse is: $\frac{x^2}{4} + y^2 = 1$

Step-by-step explanation:

The equation of a ellipse can be written by the following expression:

$\frac{x^2}{a^2} + \frac{y^2}{b^2} = 1$

Where 2a is the length of the major axis and 2b is the length of the minor axi. Since we were given the length of the minor vertex, then:

$2b = 2\\b = 1$

The length of the major axis is the distance between the two vertices.

$2a = \sqrt{[2 - (-2)]^2}\\2a = \sqrt{(2 + 2)^2}\\2a = \sqrt{4^2}\\2a = 4\\a = 2$

Therefore the expression of the ellipse is:

$\frac{x^2}{2^2} + \frac{y^2}{1^2} = 1\\\\\frac{x^2}{4} + y^2 = 1$

8 0

2 years ago

Amanda has a salary of $1,500 per month and she divides her income in the following way: Expense Amount of Money Savings $475 Ca

Llana [10]

Answer:

True : Amanda spends 15% of her salary on food.

False: Amanda spends 50% of her salary on savings and car payment and insurance combined.

False: Amanda spends 10% of her salary on phone and internet.

False: Amanda spends 5% of her salary on clothes.

Step-by-step explanation:

The monthly salary of Amanda = $1,500

Money Savings = $475 , Car payment and Insurance = $425

Phone and internet = $175 , Food = $225 , Clothes = $100 Misc. = $100

Now, check each of the given statements:

1) Amanda spends 15% of her salary on food.

Now,15% of $1500 = $\frac{15}{100} \times 1500 = 225$

⇒ 15 % of her salary is $225.

So, the given statement is TRUE.

2) Amanda spends 50% of her salary on savings and car payment and insurance combined.

Now,50% of $1500 = $\frac{50}{100} \times 1500 = 750$

Also, combined amount of savings and car payment insurance

= $475 + $425 = $900

But 50 % of her salary is $750.

So, the given statement is FALSE.

3) Amanda spends 10% of her salary on phone and internet.

Now,10% of $1500 = $\frac{10}{100} \times 1500 = 150$

⇒ 10 % of her salary is $150. But she spends $175 on phone and internet

So, the given statement is FALSE.

4)Amanda spends 5% of her salary on clothes.

Now,5% of $1500 = $\frac{5}{100} \times 1500 = 75$

⇒ 5 % of her salary is $75. But she spends $100 on her clothes.

So, the given statement is FALSE.

7 0

3 years ago