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Tems11 [23]
3 years ago
7

Evaluate: -0.7 - (-2.6 + -0.8) + 7.1

Mathematics
1 answer:
SpyIntel [72]3 years ago
3 0

Answer:

8.36

Step-by-step explanation:

-0.7-(-2.6+ -0.8) +7.1\\  (add inside the parenthesis)\\\\-0.7 - 3.4 + 7.1\\\\=8.36

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How much money is required to buy 2 cakes of soap at $.18 a cake an 1 dozen eggs at $.65 a dozen
mestny [16]

Answer: 1.01$

Step-by-step explanation:

.18 + .18=.36

.36 + .65=1.01$

8 0
3 years ago
1. La asistencia a un juego de béisbol profesional fue de 4500 personas y el dinero
Elena-2011 [213]

Resolviendo un sistema de ecuaciones veremos que se vendieron 900 boletos de $15 y 3600 boletos de $10.

<h3> ¿Cuántos boletos de cada tipo se vendieron?</h3>

Primero definamos las variables:

  • x = número de bolteos de $10 vendidos.
  • y = número de bolteos de $15 vendidos.

Sabemos que se vendieron 4500 boletos, entonces:

x + y = 4500

Y se recaudo un total de $49,500, entonces:

x*$10 + y*$15 = $49,500

Entonces tenemos un sistema de ecuaciones:

Para resolver esto, primero debemos aislar una de las variables en la primer ecuación, voy a aislar x:

x = 4500 - y

Ahora reemplazamos esto en la otra ecuación:

(4,500 - y)*$10 + y*$15 = $49,500

Ahora debemos resolver estoy para y.

$45,000 - y*$10 + y*$15 = $49,500

y*$5 = $49,500 - $45,000 = $4,500

y = ( $4,500)/$5 = 900

Entonces:

x = 4500 - 900 = 3600

Se vendieron 900 boletos de $15 y 3600 boletos de $10.

Sí quieres aprender más sobre sistemas de ecuaciones:

brainly.com/question/13729904

#SPJ1

3 0
2 years ago
The question is attached at the bottom. PLEASE HELP with detailed explanation!!!
Eva8 [605]
The correct answer are 1 , 3 , 4
8 0
3 years ago
Solve for x : x/-9=3
USPshnik [31]

Answer:

x=-27

Step-by-step explanation:

x/-9=3

x=3*-9=-27

7 0
3 years ago
Plz answer will mark brainliest
LUCKY_DIMON [66]

Answer:

(5.5, 6)

Step-by-step explanation:

Find the difference between them and then divide by 2 and add to one point

7 0
3 years ago
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