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3 years ago

10

Please help me if possible

2 answers:

qaws [65]3 years ago

8 0

Answer:

obtuse triangle

Step-by-step explanation:

lana66690 [7]3 years ago

8 0

Answer:

its right angled triangle ! hich grade r u in ?

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On interchanging two digits of the number 2643, it decreased by 180. Which two digits of 2643 might have been interchanged?

iris [78.8K]

Answer: D. 6 and 4

Explanation:

2643 - 180 = 2463 the 6 changes to a 4, and the 4 changes to a 6.

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3 years ago

Solve the equation 2/3x=-1/2x+5 what is the first step to isolate the variable term on one side of the equation

Komok [63]

Answer:

x= 30/7

Step-by-step explanation:

See image below:)

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2 years ago

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Can please someone help me? The question is in the picture. Thank you

maxonik [38]

Answer:

C. $9\pi$

Step-by-step explanation:

We proceed to solve for $x$ by the Pythagorean Theorem:

$(x+1)^{2} = (x-1)^{2} + (2\cdot x - 4)^{2}$ (1)

$x^{2} + 2\cdot x + 1 = (x^{2}-2\cdot x + 1) + (4\cdot x^{2}-16\cdot x + 16)$

$x^{2} + 2\cdot x + 1 = 5\cdot x^{2}-18\cdot x + 17$

$4\cdot x^{2} -20\cdot x + 16 = 0$

$(2\cdot x)^{2} -10\cdot (2\cdot x) + 16 = 0$

$(2\cdot x -8)\cdot (2\cdot x -2) = 0$

There are two different solutions:

$x_{1} = 4$ , $x_{2} = 1$

A solution of $x$ is considered realistic when the length of every side of the triangle is a not negative number.

$x_{1} = 4$

$UV = 2\cdot (4) - 4$

$UV = 4$

$WU = 4 - 1$

$WU = 3$

$WV = 4 + 1$

$WV = 5$

$x_{2} = 1$

$UV = 2\cdot (1) - 4$

$UV = -2$

$WU = 1 - 1$

$WU = 0$

$WV = 1 + 1$

$WV = 2$

The only realistic set of solutions is for $x = 4$ , and the radius of the circle is represented by the line segment $WU$ : $r = 3$

And the area of the circle ( $A$ ) is calculated from the following formula:

$A = \pi\cdot r^{2}$

$A = \pi\cdot (9)$

$A = 9\pi$

The correct answer is C.

6 0

3 years ago

A 7/16-long bolt is used in a machine.What is the length of the bolt written as a decimal?

babymother [125]

The answer is 0.4375

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3 years ago

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Find the distance between the points (3 4) and (4 3)

Usimov [2.4K]

Answer:

$\sqrt{2}$ or 1.414213

Step-by-step explanation:

Use the distance formula to determine the distance between the two points.

$d = \sqrt{(x_{2} -x_{1})^{2} + (y_{2} - x_{1})^{2} }$

d = distance

$(x_{1}, y_{1})$ = coordinates of the first point

$(x_{2}, y_{2})$ = coordinates of the second point

8 0

3 years ago