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lutik1710 [3]
3 years ago
11

8t – 13t + 10 (t – 2) = 34

Mathematics
1 answer:
MrRa [10]3 years ago
3 0

Answer:

t=10.9

Step-by-step explanation:

8t-13t+10(t-2)=34

8t-13t+10t-20=34

5t-20=34

5t=54

t=10.9

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UNA ESCALERA ESTA RECARGADA EN LO ALTO DE UNA PARED DE 4 METROS Y SU BASE DESPEGADA A 3 METROS DE LA PERED ¿CUANTO MIDE LA ESCAL
Tatiana [17]

Answer:

La parte de las escalara desde el piso al borde de la barda es de 5.66 metros.

 

⭐Explicación paso a paso

Para resolver haremos uso de identidades trigonométricas. Nos apoyaremos a su vez en la imagen adjunta, en el cual podemos representar la situación como un triángulo rectángulo.

 

Cateto opuesto: 4 metros

Cateto adyacente: 4 metros

Hipotenusa: longitud de la escalera (l)

 

Por Pitágoras:

l² = 4² + 4²

l² = 16 + 16

l² = 32

l = √32

l = 4√2 m

l = 5.66 metros

Igualmente, puedes consultar el siguiente ejercicio que es similar:

brainly.lat/tarea/257278 (Una escalera de 10 m de longitud  esta  apoyada  sobre  la pared . el pie  de la escalera dista 6 m de la pared . ¿que altura alcanza la escalera sobre la pared?)

Step-by-step explanation:

8 0
3 years ago
Can you guys help me with this?
ankoles [38]
ANSWER-

B

EXPLANATION-

log6 x^6 + 2log6 y
log6 x^6 + log6 y^2
log6(x^6 y^2)
8 0
3 years ago
Four different paints are advertised as having the same drying time. To check the manufacturer's claims, five samples were teste
Elina [12.6K]

Answer:

(1) 330

(2) 692

(3) 110

(4) 43.25

Step-by-step explanation:

The data provided is for the dying time of four different types of paint.

One-way ANOVA can be used to determine whether all the four paints have the same drying time.

Use Excel to perform the one-way ANOVA.

Go to Data → Data Analysis → Anova: Single Factor

A dialog box will open.

Select the data.

Select "Grouping" as Columns.

Press OK.

The output is attached below.

The required values are as follows:

(1)

Sum of Squares of Treatment (Between Subjects):

SST = 330

(2)

Sum of Squares of Error (Within Subjects):

SSE = 692

(3)

Mean Squares Treatment (Between Subjects):

MST = 110

(4)

Mean Squares Error (Within Subjects):

MSE = 43.25

4 0
3 years ago
110% of 90 is what?????????????????????????????
QveST [7]
110% of 90 is 99, 1.1*90=99
6 0
4 years ago
Jake says adding 0 to an addendum does not change a sum. Is he correct
siniylev [52]
Nothing changes if you don't add anything. 

Example:

10+10=20
20+0=20
 
nothing changes.
5 0
3 years ago
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