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My name is Ann [436]
2 years ago
13

I need help!!! please don't give me a random answer ​

Mathematics
1 answer:
kirill115 [55]2 years ago
5 0

Answer:

2r+5=p

Step-by-step explanation:

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A lock has two digit numeric code, with the numbers 1 through 7 available for each digit of the code. Note that numbers can be r
lubasha [3.4K]
If there is 2 digits and 7 numbers the combos would be:
1,1 2,1 3,1 4,1 5,1 6,1 7,1
1,2 2,2 3,2 4,2 5,2 6,2 7,2
1,3 2,3 3,3 4,3 5,3 6,3 7,3
1,4 2,4 3,4 4,4 5,4 6,4 7,4
1,5 2,5 3,5 4,5 5,5 6,5 7,5
1,6 2,6 3,6 4,6 5,6 6,6 7,6
1,7 2,7 3,7 4,7 5,7 6,7 7,7

Therefore there are 49 possible combinations :)
7 0
2 years ago
A car traveled 180 miles at a constant rate. Write an equation that would
Mnenie [13.5K]

Answer:

180/t = r

Step-by-step explanation:

In this question, we would have to write an equation that represents the scenario given.

We know that the car traveled 180 miles at a constant rate.

We would use the y = mx + b format for the equation, but replacing the variables with "r" and "t"

We know that 180 will be our y-variable, since that would be the base of the equation:

180 = ???

And to find how long/fast it will take the car, we would need to multiply the rate of speed "r" and time "t" in order to get our distance.

Plug it into the equation:

180 = rt

With this set up, you can find the rate of speed of the car when you know the time.

You would simply solve it as:

180/t = r

7 0
3 years ago
The length of a rectangle is 4 more than its width. The area of the rectangle is 21m2 . What is the measure of the width?
iris [78.8K]
Length(l)= 4+ w
Width(w)=w
Area(A)= 21m^2

so keep in mind Area= Length × width

A= l×w
21=(4+w)(w)
21= 4w+ 2w
21=6w
w=3.5

The width is 3.5m

so the answer is about 4m
6 0
3 years ago
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Which net represents a three-dimensional figure with a surface area of 864 square centimeters Syntax error from line 1 column 49
g100num [7]

Answer: The last one

7 0
2 years ago
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Graph the inequality.<br> 2x+5y&gt; -15
Sedbober [7]

Answer: See attached

Step-by-step explanation:

   [] Since the inequality uses greater than (>) and <em>not</em> greater than or equal to (≥), the line will be dashed.

   [] The inequality is greater than (>) so we will shade above the line as values "above" are greater.

5 0
2 years ago
Read 2 more answers
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