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Likurg_2 [28]
3 years ago
14

Find the value of x.

Mathematics
1 answer:
hjlf3 years ago
6 0

Answer:

x = 14

Step-by-step explanation:

Since they are similar triangles, their sides are proportional

12 : 15  :: 8 : x - 4

Product of extremes = Product of means

12 × ( x- 4 ) = 15 × 8

12x -48 = 120

12x = 120 + 48

12x = 168

x = 168/12

x = 14

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Find the slope of the line passing through each of the following pairs of points and draw the graph of the line. (-2, 3), (5, 5)
Lady_Fox [76]

Answer:

can i see the graph then i can try to help

Step-by-step explanation:

G R A P H

5 0
3 years ago
Joey has 23 cards in his baseball card collection. Monica has 24 cards in her collection. How many times more cards does Monica
o-na [289]

Answer:

Monica has 1 more card than Joey

Step-by-step explanation:

its simple math

5 0
3 years ago
Seis manzanas y 8 peras cuestan $26. ¿Cuanto cuesta cada pera y cada manzana sabiendo que cada manzana cuesta el triple de lo qu
Rom4ik [11]

Usando un sistema de ecuaciones, se encuentra que

  • Cada manzana cuesta $3.
  • Cada pera cuesta $1.

-----------------------

  • Un sistema de ecuaciones soluciona esta pergunta.
  • El custo de una manzana es x.
  • El custo de una pera es y.

-----------------------

  • <u>Seis manzanas y 8 peras cuestan $26</u>, o sea, 6x + 8y = 26
  • <u>Cada manzana cuesta el triple de cada pera</u>, o sea, x = 3y

-----------------------

Primero, encontramos el cuesto de una pera, substituyendo la segunda en la primera ecuación.

6x + 8y = 26

6(3y) + 8y = 26

18y + 8y = 26

26y = 26

y = \frac{26}{26}

y = 1

Cada pera cuesta $1.

-----------------------

<u>Cada manzana cuesta el triple de cada pera</u>, o sea, x = 3y = 3(1) = 3.

Cada manzana cuesta $3.

Se encuentra um problema similar en brainly.com/question/24646137

6 0
3 years ago
I need help checking these
insens350 [35]

Answer:

180cm^2 & 472ft^2

Step-by-step explanation:

answer of 16 number

h2=p2+b2 ,therefore

h=100+80

h=180

answer of question 17

h2=p2+b2

576=p2+104

576-104=p2

472=p2

6 0
3 years ago
80 marked up by 37.5 percent
Mariana [72]
Make 37.5% into decimal form : Since it is being marked up, add 100% = 1.375
1.375 x 80
     1.375
     x  80
_________
    0000
+11000
_________
  110.000

80 marked up by 37.5% is 110.
7 0
3 years ago
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