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Readme [11.4K]
3 years ago
5

10

Mathematics
2 answers:
shutvik [7]3 years ago
6 0

Answer:15

Step-by-step explanation:

pshichka [43]3 years ago
3 0
The answer is 15 hope it helps
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DONT FORGET TO GRAPH IT!! ALL QUESTIONS THAT DONT ANSWER MY QUESTION, WILL BE REPORTED!
sdas [7]

Answer:

look on bottom

Step-by-step explanation:

heres how to do it:

select the last arrow, the one that is not dark and is pointing right

drop it on the number 3

done

hope this helps!

5 0
2 years ago
Find the estimates of x^2-x-2=3
Julli [10]

Answer:

x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79

Step-by-step explanation:

Given

Quadratic equation is

x^2-x-2=3\\x^2-x-5=0

Roots of the quadratic equation ax^2+bx+c=0 are

x=\frac{-b\pm\sqrt{b^2-4ac}}{2a}\\

So, for the given equation roots are

x=\frac{1\pm\sqrt{(-1)^2-4(1)(-5)}}{2\cdot 1}\\x=\frac{1\pm\sqrt{21}}{2}\\so, x=\frac{1+\sqrt{21}}{2}\approx 2.79\\or\ x=\frac{1-\sqrt{21}}{2}\approx -1.79

5 0
2 years ago
Can you help<br>thank you​
Lemur [1.5K]

Answer:

In first box: top left __7, in top right __4, on left top __9, left bottom __6.

In second box: top left __7, in top right __3, on left top __3, left bottom __5.

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Write a quadratic function that reflects the x axis, stretches by a factor of 5, and shifts left 6 and up 3
Brums [2.3K]

Answer:

y=(x+6)^5+3

Step-by-step explanation:

4 0
2 years ago
If x^2-x-6 and x^2+3x-18 hacpve a common factor (x-a) then find the value of a.​
DedPeter [7]

Answer:

a = 3

Step-by-step explanation:

Factor both expressions

x² - x - 6

Consider the factors of the constant term (- 6) which sum to give the coefficient of the x- term (- 1)

The factors are - 3 and + 2 , since

- 3 × 2 = - 6 and - 3 + 2 = - 1 , thus

x² - x - 6 = (x - 3)(x + 2)

-----------------------------------

x² + 3x - 18

consider factors of constant term (- 18) which sum to give the coefficient of the x- term (+ 3)

The factors are + 6 and - 3 , since

6 × - 3 = - 18 and 6 - 3 = + 3 , thus

x² + 3x - 18 = (x + 6)(x - 3)

Both expressions have a common factor of (x - 3)

Compare with (x - a ), then a = 3

3 0
2 years ago
Read 2 more answers
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