3 years ago

The pair of figures are simular.find the value of each variable

Mathematics

1 answer:

kkurt [141]3 years ago

5 0

Y=12 because the triangles have proportional side lengths

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Given 2x^2=-8, x is A.-2 B. 2 C. 2i or -2i D. 4i or -4i

Lera25 [3.4K]

Answer:

2i or -2i

Step-by-step explanation:

2x² = -8 First, clear x.

x² = -8/2 Solve

x² = -4 Now, eliminate the square of x by solving the square root of -4.

x = √-4

x = 2i or -2i Is an imaginary number.

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3 years ago

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HELP what is the inverse of the conditional statement? If a polygon has five angles, then it is a pentagon.

Black_prince [1.1K]

Answer:

the answer is B. The inverse f the given statement is

"If a polygon is not a Pentagon, then it does not have five sides".

Step-by-step explanation:

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3 years ago

A ball is thrown straight up from the top of a tower that is 280 ft high with an initial velocity of 48 ft/s. The height of the

attashe74 [19]

ATTACHED is the written out response.

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3 years ago

Find the equation for the line of best fit using the two points that are close to the line of best fit (2,70) and (4.5, 90)

kari74 [83]

Given:

Two points that are close to the line of best fit are (2,70) and (4.5, 90).

To find:

Th equation of best fit line using the given two points.

Solution:

We know that, if a line passes through the two points, then the equation of line is

$y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)$

Two points (2,70) and (4.5, 90) are close to the best fit line.

Consider the two points (2,70) and (4.5, 90). So, the equation of line is

$y-70=\dfrac{90-70}{4.5-2}(x-2)$

$y-70=\dfrac{20}{2.5}(x-2)$

$y-70=8(x-2)$

$y-70=8x-16$

Adding 70 on both sides, we get

$y=8x-16+70$

$y=8x+54$

Therefore, the equation of best fit line is $y=8x+54$ .

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3 years ago

Bonds from the city of Tavel Gorge worth $1,000 each are selling at 110.611. If Sean wishes to purchase three such bonds, how mu

astra-53 [7]

Answer:

The answer is d. $331.833

Step-by-step explanation:

The number of bonds that worth $1,000 was not stated but each of them is selling at $110.611.

For Sean to buy 3 of the bonds, he will have to pay 3 x $110.611

Which is $331.833.

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