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LekaFEV [45]
3 years ago
5

Use the numerals 1,7,7,7, and 7 to create the number 100

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
6 0

Answer:

77\div.77\cdot1

Step-by-step explanation:

What we're basically looking for here are ways to get 100 using these numbers.

My immediate first thought was "can we divide the 7's by some 7's to get 100?"

I know that 7 \div .7=10, so I had the idea to make it 77 \div .77 = 100. This means that we can use the number 7 four times in the equation 77 \div .77=100.

However, we're still missing a 1 that we need to include. This is easy, we can just multiply 77 \div .77 by 1.

So in conclusion, we get 77 \div .77\cdot1

Hope this helped!

zavuch27 [327]3 years ago
4 0

Answer:

177 - 77 = 100

Step-by-step explanation:

there are basically 4 7s

77-77 = 00

177 - 77 = 100

hope this helps (^▽^)

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7

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42 divided by 6 =7

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Math graph equation. <br> (Picture.)
vladimir1956 [14]

Answer:

y = -2x + 3 is the required equation

Step-by-step explanation:

From the graph we will get two ordered pairs

If we see that When x=0 then y=3  and when x = 1 then  y=1

Now from this we can find the slope of the Graph

So slope of graph = (y2 - y1) / (x2-x1)

                               =(1-3) / (1-0)

                                =-2

So

Slope = m = -2

Now the equation is

y = mx + b

We have to find the value of b

as we have two ordered pairs we can take any of it to find the value of b because line passes through those points

taking (0,3) as a point

y= mx + b

put values

3 = -2*(0) + b

so

b=3


Now the equation of the line in this form is

y = mx + b

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y = -2x + 3

5 0
2 years ago
Which of the following is not a way of generating random numbers? A. random number tables B. using phone numbers selected at ran
tino4ka555 [31]

Answer:

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A : random number tables : well it has random numbers so X out

B: PHONE NUMBERS: well phone numbers are random so X out

C: USing the internet : totally X out

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If two of these shapes are randomly chosen, one after the other without replacement, what is the probability that the first will
aleksandrvk [35]

Answer:

P(T\ n\ S) = \frac{1}{14}

Step-by-step explanation:

*Missing Part of the Question*

4 stars

5 triangles

3 circles

3 squares

Required

Determine the probability of triangle being first then square being second

Total = 4 + 5 + 3 + 3

Total = 15

Represent the triangle with T and square with S

So, we're solving for P(T n S)

P(T\ n\ S) = P(T) * P(S)

Solving for P(T)

P(T) = \frac{n(T)}{Total}

P(T) = \frac{5}{15}

Solving for P(S)

The question implies a probability without replacement;

Hence Total has now been reduced by 1

Total = 14

P(S) = \frac{n(S)}{Total}

P(S) = \frac{3}{14}

Recall that

P(T\ n\ S) = P(T) * P(S)

P(T\ n\ S) = \frac{5}{15} * \frac{3}{14}

P(T\ n\ S) = \frac{15}{15 * 14}

P(T\ n\ S) = \frac{1}{14}

Hence, the required probability is

P(T\ n\ S) = \frac{1}{14}

3 0
2 years ago
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