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Zanzabum
4 years ago
12

2x+5x=100 x intercept​

Mathematics
1 answer:
Papessa [141]4 years ago
3 0

This is an equation involving x alone, so the most you can do is solve it:

2x+5x=100x \iff 7x=100x \iff 0=93x \iff x=0

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Justin ran 15 miles at a constant rate in 2.5 hours. The next day, he ran at a rate that was 1 mph slower. What was Justin’s rat
finlep [7]
We can use the factor label method for this problem. The real hint to these types of equations are the units. In this case the units are in miles per hour for the rate.
15 miles/ 2.5 hours = 6mph or 6 miles/hours
If his rate was 1 mph slower we just subtract 1 from 6 mph
6mph - 1mph= 5 mph.

Hope this helps, good luck.
6 0
3 years ago
Read 2 more answers
Use the following cell phone airport data speeds​ (Mbps) from a particular network. Find the percentile corresponding to the dat
slavikrds [6]

Answer:

The data speed 1.4Mbps is in the 34th percentile.

Step-by-step explanation:

To find the percentile of a value X in a data set, we divide the number of values lesser than X in the data set by the total number of values in the data set, and then multiply by 100.

In this set

There are 17 values lesser than 1.4

There are 50 values in all.

So

P = 100*\frac{17}{50} = 34

The data speed 1.4Mbps is in the 34th percentile.

8 0
4 years ago
Find the 9th term of the geometric sequence​
Lisa [10]

Answer:

The answer to your question is:

9th  term = \frac{1}{781250}

Step-by-step explanation:

The factor is 1/5, then:

\frac{1}{2} , \frac{1}{10} , \frac{1}{50} , \frac{1}{250} , \frac{1}{1250}

\frac{1}{6250} , \frac{1}{31250} , \frac{1}{156250}, \frac{1}{781250}

8 0
4 years ago
Read 2 more answers
Holly has $462 in her bank account and takes out $15 each week but does not put any back in. Write an equation/expression to rep
Degger [83]

Answer:

Therefore required expression is

y =462 - t×15

where y represents the amount of money in her bank account in dollar after t week.

Step-by-step explanation:

Given that,

Holly has $462 in her bank account and takes out $15 each week but does not put any back in.

She takes out $15 on first week.

The remaining amount of her bank account is =$(462-15)

                                                                            =$(462 - 1×15)

If she withdraws $15 on second week.

The remaining amount of her bank account is =$(462-15-15)

                                                                            =$(462 - 2×15)

Similarly after third the amount in her account is =$(462 - 3×15)

From the above it is cleared that

The amount in her account after t week is

=$(462 - t×15)

Therefore required expression is

y =462 - t×15

where y represents the amount of money in her bank account in dollar after t week.

3 0
3 years ago
Solve the equation: x^2 - 6x = 7 <br><br> A. x = 7 , 1<br> B. x = -7 , 1<br> C. x = 7 , -1
Alex777 [14]
<span>x^2 - 6x = 7
(x - 7)(x + 1)= 0 
x = 7, - 1

The answer is: x = 7, -1.</span>
6 0
4 years ago
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