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soldi70 [24.7K]
3 years ago
7

Neeeeed helppppppppppp

Mathematics
1 answer:
sineoko [7]3 years ago
4 0

Answer: the answer is below

Step-by-step explanation:

its 4

2.5 i think

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Please explain how to do this im confused
Anit [1.1K]

Answer:

70° , 70°

Step-by-step explanation:

The 2 angles are corresponding and are congruent, then

23x + 1 = 4 + 22x ( subtract 22x from both sides )

x + 1 = 4 ( subtract 1 from both sides )

x = 3

Then the angles are

23x + 1 = 23(3) + 1 = 69 + 1 = 70°

4 + 22x = 4 + 22(3) = 4 + 66 = 70°

8 0
3 years ago
Read 2 more answers
If ZDCE is an obtuse angle. CF bisects ZDCE.MZDCF = 2? + 4 and m DCE = 3z? – 7x, what is the value of x?
lord [1]

Answer:

x=2.345208,−2.345208

Step-by-step explanation:

x²+4=3x²−7

5 0
3 years ago
Un padre para estimular a su hijo para estudiar matemáticas le dice: por cada ejercicio que resuelvas bien te daré 7 € y por cad
Naya [18.7K]

Answer:

8 ejercicios

Step-by-step explanation:

De acuerdo a la información dada, puedes plantear las siguientes ecuaciones:

x+y= 45 (1)

7x-1y= 19 (2)

x= ejercicios que resolvió bien

y= ejercicios que resolvió mal

Primero, puedes despejar x en (1):

x= 45-y (3)

Segundo, debes reemplazar (3) en (2):

7(45-y)-1y=19

315-7y-1y= 19

315-8y= 19

315-19= 8y

296= 8y

y= 296/8

y= 37

Tercero, debes reemplazar el valor de y en (3) para encontrar x:

x= 45-37

x= 8

De acuerdo a esto, la respuesta es que el hijo ha resuelto bien 8 ejercicios.

8 0
3 years ago
How do I do this?need help​
Lelu [443]
I have no clue at all
8 0
3 years ago
Antonio used 16 1/3 cups of flour to make banana bread. The recipe for one loaf of banana bread calls for 2 1/3 cups of flour.
LenaWriter [7]
You want to multiply the 2 1/3 n times to see how many loaves you can get if you used 16 1/3. so the equation will be 2 1/3n=16 1/3
3 0
4 years ago
Read 2 more answers
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