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shtirl [24]
2 years ago
7

NEED HELP ASAP!!! Three times a number plus five is equal to fifty. What is the number?

Mathematics
2 answers:
Alex777 [14]2 years ago
8 0
50-5= 45
45/3 = 15

Answer is 15
Reil [10]2 years ago
6 0

Answer: 3 times  15 is equal to  45 and 45 plus 5 is equal to *50*

Step-by-step explanation:

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Consider an algorithm that uses only assignment statements that replaces the quadruple (w, x, y, z) with (x, y, z, w). What is t
Likurg_2 [28]

Answer:

The minimum number of assignment statements needed is 5

Step-by-step explanation:

To write the algorithm, we apply the strategy of interchanging the values of variables in the assignment statements.

Assume "tmp" is the new variable, let assign tmp to w

The algorithm is:

Procedure exchange (w,x,y,z: integers)

 tmp := w

    w := x

     x := y

     y := z

     z := tmp

    return (w,x,y,z)

end

From the algorithm, it is obvious that there will be a minimum of 5 assignment statements needed.

6 0
3 years ago
Every Thursday, Matt and Dave's Video Venture has “roll-the-dice" day. A customer may choose to roll two fair dice and rent a se
shepuryov [24]

Using the normal distribution, it is found that there is a 0.1357 = 13.57% probability that the total  amount paid for these second movies will exceed $15.00.

In a <em>normal distribution</em> with mean \mu and standard deviation \sigma, the z-score of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

  • It measures how many standard deviations the measure is from the mean.  
  • After finding the z-score, we look at the z-score table and find the p-value associated with this z-score, which is the percentile of X.
  • For n instances of a normal variable, the mean is n\mu and the standard error is s = \sigma\sqrt{n}

In this problem:

  • Mean of $0.47, standard deviation $0.15, hence \mu = 0.47, \sigma = 0.15
  • 30 instances, hence n\mu = 30(0.47) = 14.1, s = 0.15\sqrt{30} = 0.8216

The probability is <u>1 subtracted by the p-value of Z when X = 15</u>, hence:

Z = \frac{X - \mu}{\sigma}

Considering the n instances:

Z = \frac{X - n\mu}{s}

Z = \frac{15 - 14.1}{0.8216}

Z = 1.1

Z = 1.1 has a p-value of 0.8643.

1 - 0.8643 = 0.1357.

0.1357 = 13.57% probability that the total  amount paid for these second movies will exceed $15.00.

A similar problem is given at brainly.com/question/25769446

6 0
2 years ago
How many multiples of 4 are there from 1 to 500?
andrew11 [14]

Answer:

A

we have to play free fire

B

we have to do sex

5 0
3 years ago
Wanda placed $100 in a savings account that pays 2% simple interest per year. After 6 months Wanda made another deposit of $100.
STatiana [176]

Answer:

\$203.01

Step-by-step explanation:

we know that

The simple interest formula is equal to

A=P(1+rt)

where

A is the Final Investment Value

P is the Principal amount of money to be invested

r is the rate of interest  

t is Number of Time Periods

in this problem we have

<em>After 6 months</em>

t=6/12=0.5\ years\\ P=\$100\\r=2\%=2/100=0.02

substitute in the formula above

A_1=100(1+0.02*0.5)

A_1=100(1.01)

A_1=\$101

<em>At the end of one year</em>

t=6/12=0.5\ years\\ P=A_1+\$100=\$101+\$100=\$201\\r=2\%=2/100=0.02

substitute in the formula above

A_2=201(1+0.02*0.5)

A_2=201(1.01)

A_2=\$203.01

8 0
3 years ago
A radio telescope has a parabolic surface, as shown below.If the telescope is 1 m deep and 8 m wide, how far is the focus from t
scoray [572]

Answer:

  4 m

Step-by-step explanation:

The equation can be written ...

  y = (x/4)² = (1/16)x²

where the divisor 4 is the horizontal scale factor that makes the parabola 8 m wide at y = 1 m.

This can also be written as ...

  y = 1/(4p)x² = (1/16)x²

from which we can see ...

  4p = 16

  p = 4

In this form, p is the distance from the vertex to the focus, 4 meters.

_____

Another way to find the y-coordinate of the focus is to draw a line with slope 1/2 through the vertex. It will intersect the parabola at the point where the vertical distance to the directrix is the same as the horizontal distance to the focus. The y-coordinate of that point is the y-coordinate of the focus.

3 0
3 years ago
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