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QveST [7]
2 years ago
13

20 POINTS AND BRAINLIEST!!!

Mathematics
1 answer:
Yuri [45]2 years ago
4 0

Answer:

option 2

Step-by-step explanation:

the cosine rule is

cos A = b² + c² - a² / 2bc

so, A is x°

a is 41

b is 37

c is 63

solving the equation will give you the value of x°

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Por una calculadora y un cuaderno habríamos pagado, hace tres días, 10,80 €. El precio de la calcula-dora ha aumentado un 8%, y
Inessa05 [86]

Answer:

La calculadora y el cuaderno costaba 9 y 1,8 euros hace tres días.

Step-by-step explanation:

A partir del enunciado podemos construir el sistema de ecuaciones lineales:

Hace tres días:

x+y = 10.80 (1)

Actualmente:

1.08\cdot x + 0.9\cdot y = 11.34 (2)

Donde:

x - Precio de la calculadora.

y - Precio del cuaderno.

Por métodos algebraicos, tenemos que el sistema de ecuaciones tiene la siguiente solución:

x = 9, y = 1.8

La calculadora y el cuaderno costaba 9 y 1,8 euros hace tres días.

4 0
3 years ago
What is the equation of the line <br>(0,1) (4,-1)<br>​
jeyben [28]

hope it helps this to you figthing sheeeeeeeeeeeeeeeeeeeeeeeesh!!!

5 0
3 years ago
Harper’s parents put $75 into her school lunch money account. Each meal she gets from school costs her $3.25. The school sends H
BaLLatris [955]
19.75 divided by 3.25 = m
M= 6.07692307692

Hope this helps :D
3 0
3 years ago
Pleassee hellppp! Asap!!
Alex Ar [27]

we can get z because every straight line is 180 degrees, and 180-122= 58 degrees for z

we can then get y with that same routine, 180-58= 122 degrees for y

lastly, using those steps again, we know x is 58 degrees

5 0
4 years ago
Read 2 more answers
Please HELP ASAP
padilas [110]

The volume of the square pyramid is 1450.67

hope this helps you good luck

8 0
4 years ago
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