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myrzilka [38]
3 years ago
6

How can i solve this

Mathematics
1 answer:
lana66690 [7]3 years ago
8 0
X+3-2x+5=10
+2x +2x
3x+ 3 + 5 = 10
-3 -3
3x + 5 = 7
-5 -5
3x=2
x=1.5
I hope all is well, and I helped! (: Good luck, rockstar!
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ch4aika [34]
It is D, when you simplify something you combine all the x’s and y’s together to make the problem simple :)
4 0
3 years ago
Lindsay needs to interview a minimum of 15 people for a project in her
VARVARA [1.3K]

The required inequality is p≥9

Step-by-step explanation:

Given condition:

Lindsay needs to interview a minimum of 15 people.

Lindsay completed interviewing 6 people.

To Find:

The possible number of people she still needs to interview to complete her project.

Solution:

Let p be the number of people needed to complete the project.

To complete the project Lindsay needs to interview minimum 15 people.

                                            i.e.p≥ 15

But she has already interviewed 6 people. so, (15-6) = 9

                                            i.e p+6≥15

                                           or, p+6≥15

                                            ∴ p≥9

Hence the inequality that shows the people she still needs to  interview to complete the project is p≥9.

3 0
3 years ago
Write an equation for the nth term of the arithmetic sequence. Then find a40.
Olegator [25]

Answer:

The nth term is: a_n = \frac{1}{4} + \frac{1}{4}(n-1)

a40 = 10

Step-by-step explanation:

Arithmetic sequence:

In an arithmetic sequence, the difference between consecutive terms is always the same, and this difference is called common difference.

The nth term of a sequence is given by:

a_n = a_1 + (n-1)d

In which a_1 is the first term and d is the common difference.

1/4,1/2

This means that:

d = \frac{1}{2} - \frac{1}{4} = \frac{2}{4} - \frac{1}{4} = \frac{1}{4}

1/4

This means that a_1 = \frac{1}{4}

The nth term is:

a_n = a_1 + (n-1)d

a_n = \frac{1}{4} + \frac{1}{4}(n-1)

Then find a40.

a_{40} = \frac{1}{4} + \frac{1}{4}(40-1) = \frac{1}{4} + \frac{39}{4} = \frac{40}{4} = 10

So

a40 = 10

8 0
2 years ago
Which is the most accurate way to estimate 50% of 41?
sasho [114]

Answer:

The easiest way is to round down to 40 and take 50% of that, which is 20. The actual answer is 20.5.

Step-by-step explanation:

5 0
2 years ago
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What is the equation of the least squares regression line for the data set?
Rus_ich [418]

hey the answer is y=1.862x−0.138 just took the test!

5 0
3 years ago
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