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Andreas93 [3]
4 years ago
13

What is the missing box

Mathematics
2 answers:
Arada [10]4 years ago
7 0
The answer would be 0 because each time “x” goes up by 2, “y” also goes up by 5 each time.

x,y
1,-10
3,-5
5,0
7,5

1+2= 3
-10+5= -5






Zinaida [17]4 years ago
3 0
The missing number is 0.

If you study the x values and the y values, you'll see that each time x increases by 2, y increases by 5.
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127 is a number, write it as a sum of 100s 10s and 1s
tino4ka555 [31]
Add the hundreds with the tens and the ones. 10+20+7=127
5 0
3 years ago
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A car has 15 gallons of gas in its tank. The car travels 35 miles per gallon of gas. It uses 135 of a gallon of gas to go 1 mile
timama [110]

2.86 gallons

Step-by-step explanation:

If 1/35 gallon of gas = 1 mile

To travel 100 miles,

1/35 * 100

= 0.0286 * 100

= 2.86 gallons

Therefore, the car needs 2.86 gallons of gas to travel 100 miles

6 0
3 years ago
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A statistics professor receives an average of five e-mail messages per day from students. Assume the number of messages approxim
kaheart [24]

Answer:

The probability that on a randomly selected day the statistics professor will have five messages is 0.1755.

Step-by-step explanation:

Let the random variable <em>X</em> represent the number of e-mail messages per day a statistics professor receives from students.

The random variable is approximated by the Poisson Distribution with parameter <em>λ</em> = 5.

The probability mass function of <em>X</em> is as follows:

P(X=x)=\frac{e^{-5}\cdot 5^{x}}{x!};\ x=0,1,2,3...

Compute the probability that on a randomly selected day she will have five messages as follows:

P(X=5)=\frac{e^{-5}\cdot 5^{5}}{5!}

               =\frac{0.006738\times 3125}{120}\\\\=0.17546875\\\\\approx 0.1755

Thus, the probability that on a randomly selected day the statistics professor will have five messages is 0.1755.

7 0
4 years ago
Math expressions that equal 13​
qaws [65]

Step-by-step explanation:

There can be a lot of math expressions that may equal 13. Here are some of the expressions that equal 13​.

  • 9 + 4 = 13
  • 15 - 2 = 13
  • 1 × 13 = 13

Now, let us consider some interesting expression

x^3-x^2+x+7

If the value of x = 2, then the expression will be equal to 13.

i.e.

2^3-2^2+2+7=13        ∵ when x = 2

Considering a word problem

<em>'Tom has 10 oranges while Tony has 3 more oranges than Tom. How many oranges Tony has?</em>

Let 'x' be the number of oranges Tom has.

The number of oranges Tony has = x + 3

as Tom has 10 oranges, so x = 10

Therefore, the number of oranges Tony has = x + 3

                                                                          = 10 + 3 = 13

Therefore, the number of oranges Tony has = 13

7 0
3 years ago
Each flower in a bouquet has 5 petals. There are x flowers in the bouquet. Which expression shows the total number of petals in
shtirl [24]
A. 5x

In this expression x represents the number of flowers in the bouquet and there are five petals on each flower. Therefore the total number of petals in the bouquet is 5 multiplied by x.
5 0
4 years ago
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