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sergij07 [2.7K]
3 years ago
5

Four added to 3 times a number is 25

Mathematics
1 answer:
lukranit [14]3 years ago
4 0

The answer is 13. To solve this you have to do 4*3 which is 12. Then you subtract 25 and 12 to get an answer of 13.

You might be interested in
If the diameter of a circle is 5 centimeters, how long is the arc sub tended by an angle measuring 60 degrees?
jenyasd209 [6]

Answer:

3/5pi

Step-by-step explanation:

The formula of getting the arc length is

arc length = angle * pi / 180 * r

arc length = 60 * pi / 180 * 5

arc length = 300 * pi / 180

arc length = 5pi / 3

7 0
3 years ago
Crackers were on sale 2 for 5.50. I bought three packs, How much did I spend?
MrRissso [65]

Answer:

6.75

Step-by-step explanation:

2 crackers=5.50

1 cracker=5.50÷2

=2.25

3 crackers=2.25×3

=6.75

8 0
2 years ago
Read 3 more answers
Which statement is true about the purpose of trend lines in scatterplots? A trend line must pass through the largest data point.
Eddi Din [679]

Answer:

a trend line can be used to make predictions in real-world situations (the third option)

Explanation:

the first & second options are wrong because it is not a requirement for a trend line to pass through any given data point.

the fourth option is wrong because a trend line shows the general upward/downward trend of the data, and may not necessarily touch all of the data points.

the third option is correct because a trend line helps to roughly estimate the trend (hence the name) of the graph, which allows us to make predictions in real-world situations.

i hope this helps! :D

3 0
2 years ago
Read 2 more answers
What is the slope of the line shown in the graph?<br><br> 1) -1<br> 2) -2<br> 3) -1/2<br> 4) 2
Travka [436]
I believe it would be -2 since you use rise over run. That would be -2/1
6 0
3 years ago
Va rog e urgent am nevoie de raspuns
Lady_Fox [76]

Answer: 4

<u>Explanation:</u>

f(x) = 2x - 1

f(√2) = 2√2 - 1

f(1) = 2(1) - 1

     =  2 - 1

     =     1

f(√3)  = 2√3 - 1

*******************************************************

\frac{f(\sqrt{2})-f(1)}{\sqrt{2}-1} +\frac{f(\sqrt{3})-f(\sqrt{2})}{\sqrt{3}-\sqrt{2}}

= \frac{(2\sqrt{2}-1)-1}{\sqrt{2}-1} +\frac{(2\sqrt{3}-1)-(2\sqrt{2}-1)}{\sqrt{3}-\sqrt{2}}

= \frac{2\sqrt{2}-2}{\sqrt{2}-1} +\frac{2\sqrt{3}-2\sqrt{2}}{\sqrt{3}-\sqrt{2}}

= \frac{2\sqrt{2}-2}{\sqrt{2}-1}(\frac{\sqrt{2}+1}{\sqrt{2}+1})+\frac{2\sqrt{3}-2\sqrt{2}}{\sqrt{3}-\sqrt{2}}(\frac{\sqrt{3}+\sqrt{2}}{\sqrt{3}+\sqrt{2}})

= \frac{4+2\sqrt{2}-2\sqrt{2}-2}{2 - 1} + \frac{6 +2\sqrt{6}-2\sqrt{6}-4}{3-2}

= \frac{2}{1} +\frac{2}{1}

= 4

3 0
2 years ago
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