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2 years ago

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Mathematics

1 answer:

kozerog [31]2 years ago

3 0

Answer:

Y E S : )

Step-by-step explanation:

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What is the area of this parallelogram? A 10.35 cm2 B 12.5 cm2 C 20.25 cm2 D 30.6 cm2

sveta [45]

The answer would be D.

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2 years ago

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To make a bakery's signature chocolate muffins

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1 year ago

The Millers plan on retiring soon. When they were first married they purchased 1,000 shares in a mutual fund that was at that ti

kozerog [31]

Answer: There is 680% increase for the fund.

Step-by-step explanation:

Since we have given that

Number of shares they purchased = 1000

Cost of per share at the time of their marriage = $10

So, Amount of fund will be

$1000\times 10=\$10000$

Cost per share after 30 years = $78

So, Amount of fund will be

$78\times 1000=\$78000$

Percentage of increase for the fund will be given as

$\frac{78000-10000}{10000}\times 100=680\%$

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2 years ago

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How would i do this problem? please help !

MrRa [10]

Answer:

hello. x =3

Step-by-step explanation:

$- 8x = - 24 \\ \frac{ - 8x}{ - 1} = \frac{ - 24}{ - 1} \\ 8x = 24 \\ \frac{8x}{8} = \frac{24}{8} \\ x = 3$

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11 months ago

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A certain bridge arch is in the shape of half an ellipse 106 feet wide and 33.9 feet high. At what horizontal distance from the

nata0808 [166]

Answer:

The horizontal distance from the center is 49.3883 feet

Step-by-step explanation:

The equation of an ellipse is equal to:

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

Where a is the half of the wide, b is the high of the ellipse, x is the horizontal distance from the center and y is the height of the ellipse at that distance.

Then, replacing a by 106/2 and b by 33.9, we get:

$\frac{x^2}{53^{2} } +\frac{y^2}{33.9^{2} } =1\\\frac{x^2}{2809} +\frac{y^2}{1149.21} =1$

Therefore, the horizontal distances from the center of the arch where the height is equal to 12.3 feet is calculated replacing y by 12.3 and solving for x as:

$\frac{x^2}{2809} +\frac{y^2}{1149.21} =1\\\frac{x^2}{2809} +\frac{12.3^2}{1149.21} =1\\\\\frac{x^2}{2809}=1-\frac{12.3^2}{1149.21}\\\\x^{2} =2809(0.8684)\\x=\sqrt{2809(0.8684)}\\x=49.3883$

So, the horizontal distance from the center is 49.3883 feet

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3 years ago