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m_a_m_a [10]
3 years ago
8

5. Which is the best first step to solve 5x+12x = 40 by completing the square?

Mathematics
2 answers:
irakobra [83]3 years ago
8 0

Answer:

jkhjkhkhjk

Step-by-step explanation:

vichka [17]3 years ago
7 0

Answer:

B

Step-by-step explanation:

You might be interested in
Question 1 [5 points]
RideAnS [48]
If I’m not wrong, it should be 1000-5+9.10% and add it to the tune and divide with the 9.90% and -3 and then you can get your answer
6 0
3 years ago
Create the Subset and Proper Subset of the set A= {1,2,3,4}. Upload your work.
kozerog [31]

The subset of A is B = {1, 2} and the proper subset of A is C = {1,2,3,4}

<h3>How to create the Subset and Proper Subset of the set?</h3>

The set is given as:

A = {1,2,3,4}

Subsets of a set are sets that can be found in another set

An instance of this is

B = {1, 2}

Because all the elements of set B are in set A

Proper subsets of a set are sets that contain the exact elements found in another set

An instance of this is

C = {1,2,3,4}

Because set C and set A have the same elements

Read more about subsets at:

brainly.com/question/6948738

#SPJ1

7 0
2 years ago
What is the y-intercept of a line that has a slope of 3 and passes through point (-1, -7)?
Ivanshal [37]

Answer:

-4

Step-by-step explanation:

We know it's a linear equation and the slope is a whole number. Using point slope form we will write the equation:

y - y1 = m (x - x1) in which y1 is -7, m is 3, and x1 is -1

y - (-7) = 3(x-(-1))

y+7 = 3(x+1)

y+7 = 3x +3

Change to slope-intercept form:

y = 3x + 3 - 7

y = 3x = -4

the y intercept is -4

5 0
3 years ago
Read 2 more answers
Choose the equation below whose axis of symmetry is x = 0.
Stella [2.4K]
The answer is c. y=x2+2
3 0
3 years ago
What is the value of y? Enter your answer in the box.
iris [78.8K]

Answer:

5

Explanation:

So for these, a triangle always equals 180 so you just have to set it up where you add all the sides together to equal 180. Also because it is an isosceles triangle, it means that the two bottom angles are equal so start by setting them equal and solving for x:

75 = 3x

So divide both sides by 3:

25 = x

Now you really didn't have to solve for x because you already know that it equals 75, so you could just said x doesn't matter and just treat it like a 75, but I explained it just in case.

So now that you have your base angles which added together equal 150 lets set it all equal to 180:

4y + 10 + 150 = 180

Now I will simplify this:

4y + 160 = 180

subtract 160 from both sides:

4y = 20

now divide both sides by 4:

y = 5

hope this helps!

3 0
4 years ago
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