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ki77a [65]
3 years ago
15

Write an algebraic expression for three times a number plus 15

Mathematics
2 answers:
UkoKoshka [18]3 years ago
7 0

Answer: 3x + 15

Step-by-step explanation:

photoshop1234 [79]3 years ago
6 0

Answer:

3x+15

Step-by-step explanation:

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How do u do this plz help
gayaneshka [121]

Answer:

point C

Step-by-step explanation:

5 0
3 years ago
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You pick one card from each set and find the sum. How many different sums are possible?
Bezzdna [24]

Answer:

24 possibilities

Step-by-step explanation:

2*2*6=24

24 possibilities

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3 years ago
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Ai Mi uses 7 gallons of gas to drive 151.9 miles in her car. Find the rate of change.
Fynjy0 [20]

Answer:

21.7

Step-by-step explanation:

Take 151.9/ 7 and that is your answer. All you have to do is divide.

5 0
2 years ago
A polygon has an area of 225 square meters. If the area is tripled, how does each side length change?
krok68 [10]
Let me tell you the process so that you get to the answer
Remember first that the area of a regular polygon with x sides has  each of them a length which can be represented by y 

<span>A = 1/4 * xy^2 * Cot(180/x) </span>
<span>The purpose is to solve for y, so we get </span>
<span>y^2 = 4A/(xCot(180/x)) </span>
<span>y = √(4A/(xCot(180/x)))

The thing we need to change is A in the previous formula and with that we can use the equaation to be a constant. This could be represented by Z
</span><span>Z = √(4/(xCot(180/x)))
so
</span><span>Y = Z√A 
</span><span>If we increase area by a factor s, y increases by a factor of √x.
</span>So if you want to know the triple then you need to increase it by <span> √3 </span> <span>  </span>
3 0
3 years ago
If you flip three fair coins, what is the probability that you'll get all three heads?​
malfutka [58]

Answer:

1/8

Step-by-step explanation:

When three fair coins are tossed there is a chance of occuring eight combinations. Hence the probability is 1/8. Each outcome of each flip of a fair coin has a probability of 0.5.

8 0
3 years ago
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