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grandymaker [24]
3 years ago
5

-5u + 6 = 41 what is u then​

Mathematics
2 answers:
OLEGan [10]3 years ago
8 0

Answer:

u= -7

Step-by-step explanation:

Margarita [4]3 years ago
5 0

Answer: u=-7

Step-by-step explanation:

subtract 6 from both sides, then divide by -5

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4 + -5 * -1 + 8=? <br> i need help so yeah
Natasha2012 [34]

Answer:

1

Step-by-step explanation:

4+(-5*-1)-8

4+5-8

9-8

pemdas

8 0
3 years ago
Read 2 more answers
1- un tinaco se llena en 8 horas utilizando 4 llaves. en cuanto tiempo se llenara con 7 llaves?
svetoff [14.1K]

Answer: 4.6 horas.

Step-by-step explanation:

Podemos calcular el tiempo necesario por una llave:

si sabemos que se llena en 8 horas con 4 llaves, entonces una sola llave va a tardar 4 veces 8 horas en llenar el tinaco, es decir, una sola llave tarda:

4*8h = 32 horas

ahora, si usamos 7 llaves, el tiempo necesario va a ser un septimo de eso:

(32 h por llave)/(7 llaves) = 32/7 horas = 4.6 horas.

4 0
3 years ago
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Vikentia [17]

Answer:

3x^2 + 3  -->  6, 15, 30, 51

2x^2 - 1    -->  1, 7, 17, 31

x^2 + 2     -->  3, 6, 11, 18

Step-by-step explanation:

Let's start with the first equation; 3x^2 + 3

Substitute 1 (the first digit in a sequence) for x.

3(1^2) + 3

3(1) + 3

3 + 3 = <u>6</u>

3(2^2) + 3 Then the second digit.

3(4) + 3

12 + 3 = <u>15</u>

Since the two numbers we have so far are 6 and 15, there is only one sequence this could match. 6, 15, 30, 51.

2(1^2) - 1

2(1) - 1

2 - 1 = <u>1</u>

This equation represents 1, 7, 17, 31.

These same steps apply to the other equation as well.

1^2 + 2, then 2^2 + 2, then 2^2 + 2, and so on. (But we don't need to do extra work to figure that out.)

7 0
2 years ago
A cell phone company orders 600 new phones from a manufacturer. If the probability of a phone being defective is 3.5%, predict h
julia-pushkina [17]
600×3.5%=21. As a result, there are 21 phones that likely to be defective. Hope it help!
4 0
3 years ago
HELP ASAP!!! Tried everything but still no correct answer. Someone please help. Thank you for your help!!!
Stella [2.4K]

Answer:

Example 0-30 in 0-5 5-10 10-15 etc... upto 25-30

a) 12 and 15 or 10 and 15

b) none

c) none

a) Confidence Level Margin of Error Error Bar

68.3%, sx 12.2857 ±2.275 (±18.52%)

so a0 could be also 12.2857 - 2.275 = 10

Answer therefore may be 10 and 15

So try do a histogram go in 10's across 1-10,10-20,20-30,30-40,40-50

And if mean is 43 then you would need to multiply everything inside box by 0.3 before you can start the y axes  

questions like this start with 0 - 50

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3 years ago
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