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4vir4ik [10]
3 years ago
10

Hello, happy Friday, I am just here with some geometry questions.

Mathematics
2 answers:
LiRa [457]3 years ago
6 0

Answer:

4

Step-by-step explanation:

The first thing you should notice is that the triangles (the smaller one and the larger one) are similar due to angle-angle similarity (the top angle equals itself, and because the bases are parallel lines cut by a transversal, the base angle of the bigger triangle is equal to the corresponding base of the smaller triangle.

Similar triangles' corresponding sides have equal ratios to one another. That means we can set up an equation: side of smaller triangle ÷ corresponding side of larger triangle = other side of smaller triangle ÷ corresponding side of larger triangle. We plug the values given to us and can change this equation to:\frac{x}{x + 12} = \frac{x + 1}{x + 16} **

We now multiply both sides of the above equation by (x + 12)(x + 16) to get: x(x + 16) = (x + 1)(x + 12)

x^{2}  + 16x = x^{2}  + 13x + 12

3x = 12

x = 4

That means our answer, for the value of x, is 4

** Make sure you don't say \frac{x}{12} = \frac{x + 1}{15}, because those aren't the sides of the larger square.

Genrish500 [490]3 years ago
5 0

Answer:

x=4

Step-by-step explanation:

By the Triangle Proportionality Theorem:

\displaystyle \frac{x}{12}=\frac{x+1}{15}

By cross-multiplication:

\displaystyle 12(x+1)=15(x)

Distribute:

12x+12=15x

Subtract 12x from both sides:

12=3x

Hence:

x=4

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Given point B is located at
ELEN [110]

Answer: \Large\boxed{Point~B'~=~(-4,~-2)}

Step-by-step explanation:

<u>Given information</u>

Point B = (-2, -4)

Reflection line: y = x

<u>Concept:</u>

When reflecting over the line y = x, the position of y and x in the original coordinate switches places.

This is because it is " y = x ", assuming that they could interchange

<u>Find the coordinate of Point B'</u>

Original (x, y) = (-2, -4)

Point B' = (x', y') = (y, x) = \Large\boxed{(-4,~-2)}

<em>Please refer to the attachment below for a graphical understanding</em>

Hope this helps!! :)

Please let me know if you have any questions

4 0
1 year ago
for a barbecue mrs.charles bought 12.5 pounds of hamburger meat for $2.89 per pound how much did the hamburger meat cost ? PLEAS
Assoli18 [71]
 12.500
<u>x 2.890
</u> 36.125 (rounded up is 36.13)

The hamburger meat costed $36.13.
8 0
3 years ago
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Caroline wants to give 8 equal size packets of flower seeds to her friends. she has half a pound of sunflower seeds. how much wi
777dan777 [17]
If she has half a pound of sunflower seeds and wants to split it into eight equal packets, each packet would be 1/16 of a pound.  1/16 of a pound is 1 ounce.

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your order comes in for new protective eye wear. you order five and a half dozen. how many individual protective eye wear should
Serga [27]
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4 0
3 years ago
In 12 years, M will be thrice as old as N was 12 years ago. If M is now 8 years older than N, the present age of N is (in years)
AlexFokin [52]

Answer:

M = 36 year old

N = 28 years old

Step-by-step explanation:

here,

let the present age of M and N be 'x' and 'y' respectively.

By the first condition,

(x+12) = 3( y - 12)

x+12 = 3y - 36

x = 3y-48 ........ eqn (i)

and

By the second condition,

x= y+8 ........ eqn (ii)

now,

combining both the equations...

x = x

3y-48 = y+8 ( from i and ii )

2y= 56

y = 28

then , if y = 28

soo.. x= y+8

= 28+8

= 36

3 0
3 years ago
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