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Viefleur [7K]
3 years ago
6

Need help checking my answers

Mathematics
1 answer:
kifflom [539]3 years ago
6 0

Answer:

Step-by-step explanation:

_______

Good evening ,

______________

Look at the photo below for the answer,

:)

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Where is the answer to the expression 4 − 8 located on a horizontal number line? 4 units to the left of 4
Vilka [71]
4 - 8 = -4

A negative number is alwats at the left in a horizontal line.

Let's try to rapresent it.

-4 -3 -2 -1 0 +1 +2 +3 +4

So, you count from +4 to -4

Your answer is "8 units to the left of 4"
4 0
3 years ago
Write a rational number in fraction form that is equivalent to 2.5 (repeating)
Shtirlitz [24]

Answer:

That would be 2/4 equivalent to 1/2 (2.5)

Step-by-step explanation:

Sorry if I'm wrong

3 0
2 years ago
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The Richter scale is used to measure the magnitude of an earthquake. The magnitude, R, is given by the earthquake. Determine the
8090 [49]
A)R=0.65log(0.39E)+1.45

7.5=0.65log(0.39E)+1.45

B)6.05=0.65log(0.39E)   Subtracted 1.45 from~ both~ sides~ of~ equation.

9.31=log(0.39E)          Divided each side by 0.65.  



C) 9.31=log(0.39E)

10^(9.31)=0.39E

E=5.24*10^9 kilowatt hours
5 0
3 years ago
Plz help me im desparate....but actually dothe question and not just come up w/ a phony anwser.....
olga nikolaevna [1]
It might be helpful to write up the question like this:
300=100%
3=1%
120=

If you do this, you’ll see that the question is really easily solved by just finding the number necessary to multiply 3 with to get 120.

If you understand this, the rest should follow.
7 0
3 years ago
Find the value of x.
mixas84 [53]

Answer:

x=3

Step-by-step explanation:

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8 0
3 years ago
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